OBD-II · CODE FAMILY
Codes P23xx — what they mean
P23xx is a family of 256 manufacturer-specific OBD2 codes covering powertrain and electrical faults. Each P23xx code below links to its own page with causes, diagnosis and the parts to fix it.
256 codesPowertrain systems
FAMILY
RangeP2300–P23FF
Codes256
TROUBLEATLAS APP
01All codes in this family
One rich, indexed page — not thousands of empty ones. Each code links to its own page.
| Code | Meaning — click to open the code page | System | Severity |
|---|---|---|---|
| P2300 | Ignition Coil A Primary Control Circuit Low → /auto/codes/p2300/ Ignition Coil A Primary Control Circuit Low | Powertrain | Medium |
| P2301 | Ignition Coil A Primary Control Circuit High → /auto/codes/p2301/ Ignition Coil A Primary Control Circuit High | Powertrain | Medium |
| P2302 | Ignition coil failure, Powertrain Control Module (PCM) failu → /auto/codes/p2302/ Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue | Powertrain | Medium |
| P2303 | Ignition coil failure, Powertrain Control Module (PCM) failu → /auto/codes/p2303/ Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue | Powertrain | Medium |
| P2304 | Ignition Coil B Primary Control Circuit High → /auto/codes/p2304/ Ignition Coil B Primary Control Circuit High | Powertrain | Medium |
| P2305 | Ignition coil failure, Powertrain Control Module (PCM) failu → /auto/codes/p2305/ Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue | Powertrain | Medium |
| P2306 | Ignition Coil C Primary Control Circuit Low → /auto/codes/p2306/ Ignition Coil C Primary Control Circuit Low | Powertrain | Medium |
| P2307 | Ignition Coil C Primary Control Circuit High → /auto/codes/p2307/ Ignition Coil C Primary Control Circuit High | Powertrain | Medium |
| P2308 | Ignition coil failure, Powertrain Control Module (PCM) failu → /auto/codes/p2308/ Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue | Powertrain | Medium |
| P2309 | Ignition Coil D Primary Control Circuit Low → /auto/codes/p2309/ Ignition Coil D Primary Control Circuit Low | Powertrain | Medium |
| P230A | Cylinder 1 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p230a/ Cylinder 1 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P230B | Cylinder 2 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p230b/ Cylinder 2 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P230C | Cylinder 3 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p230c/ Cylinder 3 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P230D | Cylinder 4 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p230d/ Cylinder 4 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P230E | Cylinder 5 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p230e/ Cylinder 5 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P230F | Cylinder 6 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p230f/ Cylinder 6 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P2310 | Ignition coil failure, Powertrain Control Module (PCM) failu → /auto/codes/p2310/ Ignition coil failure, Powertrain Control Module (PCM) failure, Wiring issue | Powertrain | Medium |
| P2311 | Ignition Coil D Secondary Circuit → /auto/codes/p2311/ Ignition Coil D Secondary Circuit | Powertrain | Medium |
| P2312 | Ignition Coil E Primary Control Circuit Low → /auto/codes/p2312/ Ignition Coil E Primary Control Circuit Low | Powertrain | Medium |
| P2313 | Ignition Coil E Primary Control Circuit High → /auto/codes/p2313/ Ignition Coil E Primary Control Circuit High | Powertrain | Medium |
| P2314 | Ignition Coil E Secondary Circuit → /auto/codes/p2314/ Ignition Coil E Secondary Circuit | Powertrain | Medium |
| P2315 | Ignition Coil F Primary Control Circuit Low → /auto/codes/p2315/ Ignition Coil F Primary Control Circuit Low | Powertrain | Medium |
| P2316 | Ignition Coil F Primary Control Circuit High → /auto/codes/p2316/ Ignition Coil F Primary Control Circuit High | Powertrain | Medium |
| P2317 | Ignition Coil F Secondary Circuit → /auto/codes/p2317/ Ignition Coil F Secondary Circuit | Powertrain | Medium |
| P2318 | Ignition Coil G Primary Control Circuit Low → /auto/codes/p2318/ Ignition Coil G Primary Control Circuit Low | Powertrain | Medium |
| P2319 | Ignition Coil G Primary Control Circuit High → /auto/codes/p2319/ Ignition Coil G Primary Control Circuit High | Powertrain | Medium |
| P231A | Cylinder 7 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p231a/ Cylinder 7 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P231B | Cylinder 8 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p231b/ Cylinder 8 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P231C | Cylinder 9 Air-Fuel Ratio Imbalance - Adjustment At Limit Du → /auto/codes/p231c/ Cylinder 9 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P231D | Cylinder 10 Air-Fuel Ratio Imbalance - Adjustment At Limit D → /auto/codes/p231d/ Cylinder 10 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P231E | Cylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit D → /auto/codes/p231e/ Cylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P231F | Cylinder 12 Air-Fuel Ratio Imbalance - Adjustment At Limit D → /auto/codes/p231f/ Cylinder 12 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance | Powertrain | Medium |
| P2320 | Ignition Coil G Secondary Circuit → /auto/codes/p2320/ Ignition Coil G Secondary Circuit | Powertrain | Medium |
| P2321 | Ignition Coil H Primary Control Circuit Low → /auto/codes/p2321/ Ignition Coil H Primary Control Circuit Low | Powertrain | Medium |
| P2322 | Ignition Coil H Primary Control Circuit High → /auto/codes/p2322/ Ignition Coil H Primary Control Circuit High | Powertrain | Medium |
| P2323 | Ignition Coil H Secondary Circuit → /auto/codes/p2323/ Ignition Coil H Secondary Circuit | Powertrain | Medium |
| P2324 | Ignition Coil I Primary Control Circuit Low → /auto/codes/p2324/ Ignition Coil I Primary Control Circuit Low | Powertrain | Medium |
| P2325 | Ignition Coil I Primary Control Circuit High → /auto/codes/p2325/ Ignition Coil I Primary Control Circuit High | Powertrain | Medium |
| P2326 | Ignition Coil I Secondary Circuit → /auto/codes/p2326/ Ignition Coil I Secondary Circuit | Powertrain | Medium |
| P2327 | Ignition Coil J Primary Control Circuit Low → /auto/codes/p2327/ Ignition Coil J Primary Control Circuit Low | Powertrain | Medium |
| P2328 | Ignition Coil J Primary Control Circuit High → /auto/codes/p2328/ Ignition Coil J Primary Control Circuit High | Powertrain | Medium |
| P2329 | Ignition Coil J Secondary Circuit → /auto/codes/p2329/ Ignition Coil J Secondary Circuit | Powertrain | Medium |
| P232A | TCM Request - Forced Engine Shutdown → /auto/codes/p232a/ TCM Request - Forced Engine Shutdown | Powertrain | Medium |
| P232B | Cylinder 11 Fuel Injector A Offset Learning At Min Limit → /auto/codes/p232b/ Cylinder 11 Fuel Injector A Offset Learning At Min Limit | Powertrain | Medium |
| P232C | Cylinder 11 Fuel Injector A Offset Learning At Max Limit → /auto/codes/p232c/ Cylinder 11 Fuel Injector A Offset Learning At Max Limit | Powertrain | Medium |
| P232D | Cylinder 12 Fuel Injector A Offset Learning At Min Limit → /auto/codes/p232d/ Cylinder 12 Fuel Injector A Offset Learning At Min Limit | Powertrain | Medium |
| P232E | Cylinder 12 Fuel Injector A Offset Learning At Max Limit → /auto/codes/p232e/ Cylinder 12 Fuel Injector A Offset Learning At Max Limit | Powertrain | Medium |
| P232F | O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2 → /auto/codes/p232f/ O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2 | Powertrain | Medium |
| P2330 | Ignition Coil K Primary Control Circuit Low → /auto/codes/p2330/ Ignition Coil K Primary Control Circuit Low | Powertrain | Medium |
| P2331 | Ignition Coil K Primary Control Circuit High → /auto/codes/p2331/ Ignition Coil K Primary Control Circuit High | Powertrain | Medium |
| P2332 | Ignition Coil K Secondary Circuit → /auto/codes/p2332/ Ignition Coil K Secondary Circuit | Powertrain | Medium |
| P2333 | Ignition Coil L Primary Control Circuit Low → /auto/codes/p2333/ Ignition Coil L Primary Control Circuit Low | Powertrain | Medium |
| P2334 | Ignition Coil L Primary Control Circuit High → /auto/codes/p2334/ Ignition Coil L Primary Control Circuit High | Powertrain | Medium |
| P2335 | Ignition Coil L Secondary Circuit → /auto/codes/p2335/ Ignition Coil L Secondary Circuit | Powertrain | Medium |
| P2336 | Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2336/ Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2337 | Cylinder 2 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2337/ Cylinder 2 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2338 | Cylinder 3 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2338/ Cylinder 3 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2339 | Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2339/ Cylinder 4 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P233A | Fuel Pressure Regulator C Control Circuit/Open → /auto/codes/p233a/ Fuel Pressure Regulator C Control Circuit/Open | Powertrain | Medium |
| P233B | Fuel Pressure Regulator C Control Circuit Low → /auto/codes/p233b/ Fuel Pressure Regulator C Control Circuit Low | Powertrain | Medium |
| P233C | Fuel Pressure Regulator C Control Circuit High → /auto/codes/p233c/ Fuel Pressure Regulator C Control Circuit High | Powertrain | Medium |
| P233D | Fuel Pressure Regulator B Solenoid Supply Voltage Control Ci → /auto/codes/p233d/ Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit/Open | Powertrain | Medium |
| P233E | Fuel Pressure Regulator B Solenoid Supply Voltage Control Ci → /auto/codes/p233e/ Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit Low | Powertrain | Medium |
| P233F | Fuel Pressure Regulator B Solenoid Supply Voltage Control Ci → /auto/codes/p233f/ Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit High | Powertrain | Medium |
| P2340 | Cylinder 5 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2340/ Cylinder 5 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2341 | Cylinder 6 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2341/ Cylinder 6 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2342 | Cylinder 7 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2342/ Cylinder 7 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2343 | Cylinder 8 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2343/ Cylinder 8 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2344 | Cylinder 9 Above Knock/Combustion Vibration Sensor Threshold → /auto/codes/p2344/ Cylinder 9 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2345 | Cylinder 10 Above Knock/Combustion Vibration Sensor Threshol → /auto/codes/p2345/ Cylinder 10 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2346 | Cylinder 11 Above Knock/Combustion Vibration Sensor Threshol → /auto/codes/p2346/ Cylinder 11 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2347 | Cylinder 12 Above Knock/Combustion Vibration Sensor Threshol → /auto/codes/p2347/ Cylinder 12 Above Knock/Combustion Vibration Sensor Threshold | Powertrain | Medium |
| P2348 | Cylinder 9 Pressure Sensor Circuit → /auto/codes/p2348/ Cylinder 9 Pressure Sensor Circuit | Powertrain | Medium |
| P2349 | Cylinder 9 Pressure Sensor Circuit Range/Performance → /auto/codes/p2349/ Cylinder 9 Pressure Sensor Circuit Range/Performance | Powertrain | Medium |
| P234A | Cylinder 9 Pressure Sensor Circuit Low → /auto/codes/p234a/ Cylinder 9 Pressure Sensor Circuit Low | Powertrain | Medium |
| P234B | Cylinder 9 Pressure Sensor Circuit High → /auto/codes/p234b/ Cylinder 9 Pressure Sensor Circuit High | Powertrain | Medium |
| P234C | Cylinder 9 Pressure Sensor Circuit Intermittent/Erratic → /auto/codes/p234c/ Cylinder 9 Pressure Sensor Circuit Intermittent/Erratic | Powertrain | Medium |
| P234D | Cylinder 9 Pressure Too Low → /auto/codes/p234d/ Cylinder 9 Pressure Too Low | Powertrain | Medium |
| P234E | Cylinder 9 Pressure Too High → /auto/codes/p234e/ Cylinder 9 Pressure Too High | Powertrain | Medium |
| P234F | Cylinder 9 Pressure Variation Low → /auto/codes/p234f/ Cylinder 9 Pressure Variation Low | Powertrain | Medium |
| P2350 | Cylinder 9 Pressure Variation High → /auto/codes/p2350/ Cylinder 9 Pressure Variation High | Powertrain | Medium |
| P2351 | Cylinder 9 Combustion Performance → /auto/codes/p2351/ Cylinder 9 Combustion Performance | Powertrain | Medium |
| P2352 | Cylinder 10 Pressure Sensor Circuit → /auto/codes/p2352/ Cylinder 10 Pressure Sensor Circuit | Powertrain | Medium |
| P2353 | Cylinder 10 Pressure Sensor Circuit Range/Performance → /auto/codes/p2353/ Cylinder 10 Pressure Sensor Circuit Range/Performance | Powertrain | Medium |
| P2354 | Cylinder 10 Pressure Sensor Circuit Low → /auto/codes/p2354/ Cylinder 10 Pressure Sensor Circuit Low | Powertrain | Medium |
| P2355 | Cylinder 10 Pressure Sensor Circuit High → /auto/codes/p2355/ Cylinder 10 Pressure Sensor Circuit High | Powertrain | Medium |
| P2356 | Cylinder 10 Pressure Sensor Circuit Intermittent/Erratic → /auto/codes/p2356/ Cylinder 10 Pressure Sensor Circuit Intermittent/Erratic | Powertrain | Medium |
| P2357 | Cylinder 10 Pressure Too Low → /auto/codes/p2357/ Cylinder 10 Pressure Too Low | Powertrain | Medium |
| P2358 | Cylinder 10 Pressure Too High → /auto/codes/p2358/ Cylinder 10 Pressure Too High | Powertrain | Medium |
| P2359 | Cylinder 10 Pressure Variation Low → /auto/codes/p2359/ Cylinder 10 Pressure Variation Low | Powertrain | Medium |
| P235A | Cylinder 10 Pressure Variation High → /auto/codes/p235a/ Cylinder 10 Pressure Variation High | Powertrain | Medium |
| P235B | Cylinder 10 Combustion Performance → /auto/codes/p235b/ Cylinder 10 Combustion Performance | Powertrain | Medium |
| P235C | Cylinder 11 Pressure Sensor Circuit → /auto/codes/p235c/ Cylinder 11 Pressure Sensor Circuit | Powertrain | Medium |
| P235D | Cylinder 11 Pressure Sensor Circuit Range/Performance → /auto/codes/p235d/ Cylinder 11 Pressure Sensor Circuit Range/Performance | Powertrain | Medium |
| P235E | Cylinder 11 Pressure Sensor Circuit Low → /auto/codes/p235e/ Cylinder 11 Pressure Sensor Circuit Low | Powertrain | Medium |
| P235F | Cylinder 11 Pressure Sensor Circuit High → /auto/codes/p235f/ Cylinder 11 Pressure Sensor Circuit High | Powertrain | Medium |
| P2360 | Cylinder 11 Pressure Sensor Circuit Intermittent/Erratic → /auto/codes/p2360/ Cylinder 11 Pressure Sensor Circuit Intermittent/Erratic | Powertrain | Medium |
| P2361 | Cylinder 11 Pressure Too Low → /auto/codes/p2361/ Cylinder 11 Pressure Too Low | Powertrain | Medium |
| P2362 | Cylinder 11 Pressure Too High → /auto/codes/p2362/ Cylinder 11 Pressure Too High | Powertrain | Medium |
| P2363 | Cylinder 11 Pressure Variation Low → /auto/codes/p2363/ Cylinder 11 Pressure Variation Low | Powertrain | Medium |
| P2364 | Cylinder 11 Pressure Variation High → /auto/codes/p2364/ Cylinder 11 Pressure Variation High | Powertrain | Medium |
| P2365 | Cylinder 11 Combustion Performance → /auto/codes/p2365/ Cylinder 11 Combustion Performance | Powertrain | Medium |
| P2366 | Cylinder 12 Pressure Sensor Circuit → /auto/codes/p2366/ Cylinder 12 Pressure Sensor Circuit | Powertrain | Medium |
| P2367 | Cylinder 12 Pressure Sensor Circuit Range/Performance → /auto/codes/p2367/ Cylinder 12 Pressure Sensor Circuit Range/Performance | Powertrain | Medium |
| P2368 | Cylinder 12 Pressure Sensor Circuit Low → /auto/codes/p2368/ Cylinder 12 Pressure Sensor Circuit Low | Powertrain | Medium |
| P2369 | Cylinder 12 Pressure Sensor Circuit High → /auto/codes/p2369/ Cylinder 12 Pressure Sensor Circuit High | Powertrain | Medium |
| P236A | Cylinder 12 Pressure Sensor Circuit Intermittent/Erratic → /auto/codes/p236a/ Cylinder 12 Pressure Sensor Circuit Intermittent/Erratic | Powertrain | Medium |
| P236B | Cylinder 12 Pressure Too Low → /auto/codes/p236b/ Cylinder 12 Pressure Too Low | Powertrain | Medium |
| P236C | Cylinder 12 Pressure Too High → /auto/codes/p236c/ Cylinder 12 Pressure Too High | Powertrain | Medium |
| P236D | Cylinder 12 Pressure Variation Low → /auto/codes/p236d/ Cylinder 12 Pressure Variation Low | Powertrain | Medium |
| P236E | Cylinder 12 Pressure Variation High → /auto/codes/p236e/ Cylinder 12 Pressure Variation High | Powertrain | Medium |
| P236F | Cylinder 12 Combustion Performance → /auto/codes/p236f/ Cylinder 12 Combustion Performance | Powertrain | Medium |
| P2370 | Fuel Volume Regulator B Control Circuit/Open → /auto/codes/p2370/ Fuel Volume Regulator B Control Circuit/Open | Powertrain | Medium |
| P2371 | Fuel Volume Regulator B Control Circuit Performance → /auto/codes/p2371/ Fuel Volume Regulator B Control Circuit Performance | Powertrain | Medium |
| P2372 | Fuel Volume Regulator B Control Circuit Low → /auto/codes/p2372/ Fuel Volume Regulator B Control Circuit Low | Powertrain | Medium |
| P2373 | Fuel Volume Regulator B Control Circuit High → /auto/codes/p2373/ Fuel Volume Regulator B Control Circuit High | Powertrain | Medium |
| P2374 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit → /auto/codes/p2374/ Turbocharger/Supercharger Inlet Pressure Sensor B Circuit | Powertrain | Medium |
| P2375 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Ra → /auto/codes/p2375/ Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Range/Performance | Powertrain | Medium |
| P2376 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Lo → /auto/codes/p2376/ Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Low | Powertrain | Medium |
| P2377 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Hi → /auto/codes/p2377/ Turbocharger/Supercharger Inlet Pressure Sensor B Circuit High | Powertrain | Medium |
| P2378 | Turbocharger/Supercharger Inlet Pressure Sensor B Circuit In → /auto/codes/p2378/ Turbocharger/Supercharger Inlet Pressure Sensor B Circuit Intermittent/Erratic | Powertrain | Medium |
| P2379 | O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2 → /auto/codes/p2379/ O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2 | Powertrain | Medium |
| P237A | O2 Sensor Exhaust Sample Error Bank 1 Sensor 2 → /auto/codes/p237a/ O2 Sensor Exhaust Sample Error Bank 1 Sensor 2 | Powertrain | Medium |
| P237B | O2 Sensor Exhaust Sample Error Bank 2 Sensor 2 → /auto/codes/p237b/ O2 Sensor Exhaust Sample Error Bank 2 Sensor 2 | Powertrain | Medium |
| P237C | Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circui → /auto/codes/p237c/ Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circuit/Open | Powertrain | Medium |
| P237D | Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circui → /auto/codes/p237d/ Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circuit Low | Powertrain | Medium |
| P237E | Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circui → /auto/codes/p237e/ Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circuit High | Powertrain | Medium |
| P237F | Exhaust Heat Exchanger Exhaust Bypass Valve A Control Perfor → /auto/codes/p237f/ Exhaust Heat Exchanger Exhaust Bypass Valve A Control Performance | Powertrain | Medium |
| P2380 | EGR Sensor D Circuit → /auto/codes/p2380/ EGR Sensor D Circuit | Powertrain | Medium |
| P2381 | EGR Sensor D Circuit High → /auto/codes/p2381/ EGR Sensor D Circuit High | Powertrain | Medium |
| P2382 | EGR Sensor D Circuit Low → /auto/codes/p2382/ EGR Sensor D Circuit Low | Powertrain | Medium |
| P2383 | EGR Sensor D Circuit Range/Performance → /auto/codes/p2383/ EGR Sensor D Circuit Range/Performance | Powertrain | Medium |
| P2384 | EGR Sensor D Circuit Intermittent → /auto/codes/p2384/ EGR Sensor D Circuit Intermittent | Powertrain | Medium |
| P2385 | EGR Sensor E Circuit → /auto/codes/p2385/ EGR Sensor E Circuit | Powertrain | Medium |
| P2386 | EGR Sensor E Circuit High → /auto/codes/p2386/ EGR Sensor E Circuit High | Powertrain | Medium |
| P2387 | EGR Sensor E Circuit Low → /auto/codes/p2387/ EGR Sensor E Circuit Low | Powertrain | Medium |
| P2388 | EGR Sensor E Circuit Range/Performance → /auto/codes/p2388/ EGR Sensor E Circuit Range/Performance | Powertrain | Medium |
| P2389 | EGR Sensor E Circuit Intermittent → /auto/codes/p2389/ EGR Sensor E Circuit Intermittent | Powertrain | Medium |
| P238A | Water in Fuel Sensor B Circuit → /auto/codes/p238a/ Water in Fuel Sensor B Circuit | Powertrain | Medium |
| P238B | Water in Fuel Sensor B Circuit Range/Performance → /auto/codes/p238b/ Water in Fuel Sensor B Circuit Range/Performance | Powertrain | Medium |
| P238C | Water in Fuel Sensor B Circuit Low → /auto/codes/p238c/ Water in Fuel Sensor B Circuit Low | Powertrain | Medium |
| P238D | Water in Fuel Sensor B Circuit High → /auto/codes/p238d/ Water in Fuel Sensor B Circuit High | Powertrain | Medium |
| P238E | Water in Fuel Sensor B Circuit Intermittent → /auto/codes/p238e/ Water in Fuel Sensor B Circuit Intermittent | Powertrain | Medium |
| P238F | Water in Fuel Condition - Sensor B → /auto/codes/p238f/ Water in Fuel Condition - Sensor B | Powertrain | Medium |
| P2390 | Diesel Intake Air Flow B Control Circuit/Open → /auto/codes/p2390/ Diesel Intake Air Flow B Control Circuit/Open | Powertrain | Medium |
| P2391 | Diesel Intake Air Flow B Control Performance → /auto/codes/p2391/ Diesel Intake Air Flow B Control Performance | Powertrain | Medium |
| P2392 | Diesel Intake Air Flow B Control Circuit Low → /auto/codes/p2392/ Diesel Intake Air Flow B Control Circuit Low | Powertrain | Medium |
| P2393 | Diesel Intake Air Flow B Control Circuit High → /auto/codes/p2393/ Diesel Intake Air Flow B Control Circuit High | Powertrain | Medium |
| P2394 | Diesel Intake Air Flow B Control Stuck Open → /auto/codes/p2394/ Diesel Intake Air Flow B Control Stuck Open | Powertrain | Medium |
| P2395 | Diesel Intake Air Flow B Control Stuck Closed → /auto/codes/p2395/ Diesel Intake Air Flow B Control Stuck Closed | Powertrain | Medium |
| P2396 | Diesel Intake Air Flow B Position Sensor Circuit → /auto/codes/p2396/ Diesel Intake Air Flow B Position Sensor Circuit | Powertrain | Medium |
| P2397 | Diesel Intake Air Flow B Position Sensor Range/Performance → /auto/codes/p2397/ Diesel Intake Air Flow B Position Sensor Range/Performance | Powertrain | Medium |
| P2398 | Diesel Intake Air Flow B Position Sensor Circuit Low → /auto/codes/p2398/ Diesel Intake Air Flow B Position Sensor Circuit Low | Powertrain | Medium |
| P2399 | Diesel Intake Air Flow B Position Sensor Circuit High → /auto/codes/p2399/ Diesel Intake Air Flow B Position Sensor Circuit High | Powertrain | Medium |
| P239A | Diesel Intake Air Flow B Position Sensor Circuit Intermitten → /auto/codes/p239a/ Diesel Intake Air Flow B Position Sensor Circuit Intermittent/Erratic | Powertrain | Medium |
| P239B | Diesel Intake Air Flow B Control Motor Current Range/Perform → /auto/codes/p239b/ Diesel Intake Air Flow B Control Motor Current Range/Performance | Powertrain | Medium |
| P239C | Diesel Intake Air Flow B Control System - High Air Flow Dete → /auto/codes/p239c/ Diesel Intake Air Flow B Control System - High Air Flow Detected | Powertrain | Medium |
| P239D | Diesel Intake Air Flow B Control System - Low Air Flow Detec → /auto/codes/p239d/ Diesel Intake Air Flow B Control System - Low Air Flow Detected | Powertrain | Medium |
| P239E | O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2 → /auto/codes/p239e/ O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2 | Powertrain | Medium |
| P239F | O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2 → /auto/codes/p239f/ O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2 | Powertrain | Medium |
| P23A0 | O2 Sensor Exhaust Sample Error Bank 1 Sensor 2 → /auto/codes/p23a0/ O2 Sensor Exhaust Sample Error Bank 1 Sensor 2 | Powertrain | Medium |
| P23A1 | O2 Sensor Exhaust Sample Error Bank 2 Sensor 2 → /auto/codes/p23a1/ O2 Sensor Exhaust Sample Error Bank 2 Sensor 2 | Powertrain | Medium |
| P23A2 | Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circui → /auto/codes/p23a2/ Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circuit/Open | Powertrain | Medium |
| P23A3 | Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circui → /auto/codes/p23a3/ Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circuit Low | Powertrain | Medium |
| P23A4 | Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circui → /auto/codes/p23a4/ Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circuit High | Powertrain | Medium |
| P23A5 | Exhaust Heat Exchanger Exhaust Bypass Valve B Control Perfor → /auto/codes/p23a5/ Exhaust Heat Exchanger Exhaust Bypass Valve B Control Performance | Powertrain | Medium |
| P23A6 | Exhaust Heat Exchanger Exhaust Bypass Valve B Stuck Open → /auto/codes/p23a6/ Exhaust Heat Exchanger Exhaust Bypass Valve B Stuck Open | Powertrain | Medium |
| P23A7 | Exhaust Heat Exchanger Exhaust Bypass Valve B Stuck Closed → /auto/codes/p23a7/ Exhaust Heat Exchanger Exhaust Bypass Valve B Stuck Closed | Powertrain | Medium |
| P23A8 | Exhaust Heat Exchanger Exhaust Bypass Valve B Position Senso → /auto/codes/p23a8/ Exhaust Heat Exchanger Exhaust Bypass Valve B Position Sensor Stop Performance | Powertrain | Medium |
| P23A9 | Communication Fault – Forced Engine Shutdown → /auto/codes/p23a9/ Communication Fault – Forced Engine Shutdown | Powertrain | Medium |
| P23AA | Turbocharger/Supercharger Bypass Valve A Stuck → /auto/codes/p23aa/ Turbocharger/Supercharger Bypass Valve A Stuck | Powertrain | Medium |
| P23AB | NOx Sensor Processor Performance Bank 1 Sensor 3 → /auto/codes/p23ab/ NOx Sensor Processor Performance Bank 1 Sensor 3 | Powertrain | Medium |
| P23AC | NOx Sensor Circuit Bank 1 Sensor 3 → /auto/codes/p23ac/ NOx Sensor Circuit Bank 1 Sensor 3 | Powertrain | Medium |
| P23AD | NOx Sensor Circuit Range/Performance Bank 1 Sensor 3 → /auto/codes/p23ad/ NOx Sensor Circuit Range/Performance Bank 1 Sensor 3 | Powertrain | Medium |
| P23AE | NOx Sensor Circuit Low Bank 1 Sensor 3 → /auto/codes/p23ae/ NOx Sensor Circuit Low Bank 1 Sensor 3 | Powertrain | Medium |
| P23AF | NOx Sensor Circuit High Bank 1 Sensor 3 → /auto/codes/p23af/ NOx Sensor Circuit High Bank 1 Sensor 3 | Powertrain | Medium |
| P23B0 | NOx Sensor Circuit Intermittent Bank 1 Sensor 3 → /auto/codes/p23b0/ NOx Sensor Circuit Intermittent Bank 1 Sensor 3 | Powertrain | Medium |
| P23B1 | NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 3 → /auto/codes/p23b1/ NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 3 | Powertrain | Medium |
| P23B2 | NOx Sensor Heater Control Circuit Low Bank 1 Sensor 3 → /auto/codes/p23b2/ NOx Sensor Heater Control Circuit Low Bank 1 Sensor 3 | Powertrain | Medium |
| P23B3 | NOx Sensor Heater Control Circuit High Bank 1 Sensor 3 → /auto/codes/p23b3/ NOx Sensor Heater Control Circuit High Bank 1 Sensor 3 | Powertrain | Medium |
| P23B4 | NOx Sensor Heater Sense Circuit Bank 1 Sensor 3 → /auto/codes/p23b4/ NOx Sensor Heater Sense Circuit Bank 1 Sensor 3 | Powertrain | Medium |
| P23B5 | NOx Sensor Heater Sense Circuit Range/Performance Bank 1 Sen → /auto/codes/p23b5/ NOx Sensor Heater Sense Circuit Range/Performance Bank 1 Sensor 3 | Powertrain | Medium |
| P23B6 | NOx Sensor Supply Voltage Circuit Bank 1 Sensor 3 → /auto/codes/p23b6/ NOx Sensor Supply Voltage Circuit Bank 1 Sensor 3 | Powertrain | Medium |
| P23B7 | NOx Sensor Heater Control Circuit Range/Performance Bank 1 S → /auto/codes/p23b7/ NOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 3 | Powertrain | Medium |
| P23B8 | NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 3 → /auto/codes/p23b8/ NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 3 | Powertrain | Medium |
| P23B9 | NOx Sensor Heater Sense Circuit High Bank 1 Sensor 3 → /auto/codes/p23b9/ NOx Sensor Heater Sense Circuit High Bank 1 Sensor 3 | Powertrain | Medium |
| P23BA | NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 3 → /auto/codes/p23ba/ NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 3 | Powertrain | Medium |
| P23BB | NOx Sensor Heater Resistance Bank 1 Sensor 3 → /auto/codes/p23bb/ NOx Sensor Heater Resistance Bank 1 Sensor 3 | Powertrain | Medium |
| P23BC | NOx Sensor Calibration Memory Bank 1 Sensor 3 → /auto/codes/p23bc/ NOx Sensor Calibration Memory Bank 1 Sensor 3 | Powertrain | Medium |
| P23BD | NOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sen → /auto/codes/p23bd/ NOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sensor 3 | Powertrain | Medium |
| P23BE | NOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sens → /auto/codes/p23be/ NOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sensor 3 | Powertrain | Medium |
| P23BF | NOx Sensor Performance - Slow Response Low to High Bank 1 Se → /auto/codes/p23bf/ NOx Sensor Performance - Slow Response Low to High Bank 1 Sensor 3 | Powertrain | Medium |
| P23C0 | NOx Sensor Performance - Slow Response High to Low Bank 1 Se → /auto/codes/p23c0/ NOx Sensor Performance - Slow Response High to Low Bank 1 Sensor 3 | Powertrain | Medium |
| P23C1 | NOx Sensor Performance - Sensing Element Bank 1 Sensor 3 → /auto/codes/p23c1/ NOx Sensor Performance - Sensing Element Bank 1 Sensor 3 | Powertrain | Medium |
| P23C2 | NOx Sensor Delayed Response - High to Low Bank 1 Sensor 3 → /auto/codes/p23c2/ NOx Sensor Delayed Response - High to Low Bank 1 Sensor 3 | Powertrain | Medium |
| P23C3 | Engine Coolant Bypass Valve C Position Sensor Circuit → /auto/codes/p23c3/ Engine Coolant Bypass Valve C Position Sensor Circuit | Powertrain | Medium |
| P23C4 | Engine Coolant Bypass Valve C Position Sensor Circuit Low → /auto/codes/p23c4/ Engine Coolant Bypass Valve C Position Sensor Circuit Low | Powertrain | Medium |
| P23C5 | Engine Coolant Bypass Valve C Position Sensor Circuit High → /auto/codes/p23c5/ Engine Coolant Bypass Valve C Position Sensor Circuit High | Powertrain | Medium |
| P23C6 | Engine Coolant Bypass Valve C Control Circuit Driver Current → /auto/codes/p23c6/ Engine Coolant Bypass Valve C Control Circuit Driver Current/Temperature Too High | Powertrain | Medium |
| P23C7 | Fuel Heater Control Module Power Control Circuit/Open → /auto/codes/p23c7/ Fuel Heater Control Module Power Control Circuit/Open | Powertrain | Medium |
| P23C8 | Fuel Heater Control Module Power Control Circuit Low → /auto/codes/p23c8/ Fuel Heater Control Module Power Control Circuit Low | Powertrain | Medium |
| P23C9 | Fuel Heater Control Module Power Control Circuit High → /auto/codes/p23c9/ Fuel Heater Control Module Power Control Circuit High | Powertrain | Medium |
| P23CA | Fuel Rail Heater Control Circuit/Open → /auto/codes/p23ca/ Fuel Rail Heater Control Circuit/Open | Powertrain | Medium |
| P23CB | Fuel Rail Heater Control Circuit Low → /auto/codes/p23cb/ Fuel Rail Heater Control Circuit Low | Powertrain | Medium |
| P23CC | Fuel Rail Heater Control Circuit High → /auto/codes/p23cc/ Fuel Rail Heater Control Circuit High | Powertrain | Medium |
| P23CD | Fuel Heater Control Module Feedback Signal/Open → /auto/codes/p23cd/ Fuel Heater Control Module Feedback Signal/Open | Powertrain | Medium |
| P23CE | Fuel Heater Control Module Feedback Signal Performance → /auto/codes/p23ce/ Fuel Heater Control Module Feedback Signal Performance | Powertrain | Medium |
| P23CF | Fuel Heater Control Module Feedback Signal Circuit Low → /auto/codes/p23cf/ Fuel Heater Control Module Feedback Signal Circuit Low | Powertrain | Medium |
| P23D0 | Fuel Heater Control Module Feedback Signal Circuit High → /auto/codes/p23d0/ Fuel Heater Control Module Feedback Signal Circuit High | Powertrain | Medium |
| P23D1 | Cylinder 1 Fuel Heater Control Circuit/Open → /auto/codes/p23d1/ Cylinder 1 Fuel Heater Control Circuit/Open | Powertrain | Medium |
| P23D2 | Cylinder 1 Fuel Heater Control Circuit High → /auto/codes/p23d2/ Cylinder 1 Fuel Heater Control Circuit High | Powertrain | Medium |
| P23D3 | Cylinder 1 Fuel Heater Control Circuit Low → /auto/codes/p23d3/ Cylinder 1 Fuel Heater Control Circuit Low | Powertrain | Medium |
| P23D4 | Cylinder 1 Fuel Heater Performance → /auto/codes/p23d4/ Cylinder 1 Fuel Heater Performance | Powertrain | Medium |
| P23D5 | Cylinder 2 Fuel Heater Control Circuit/Open → /auto/codes/p23d5/ Cylinder 2 Fuel Heater Control Circuit/Open | Powertrain | Medium |
| P23D6 | Cylinder 2 Fuel Heater Control Circuit High → /auto/codes/p23d6/ Cylinder 2 Fuel Heater Control Circuit High | Powertrain | Medium |
| P23D7 | Cylinder 2 Fuel Heater Control Circuit Low → /auto/codes/p23d7/ Cylinder 2 Fuel Heater Control Circuit Low | Powertrain | Medium |
| P23D8 | Cylinder 2 Fuel Heater Performance → /auto/codes/p23d8/ Cylinder 2 Fuel Heater Performance | Powertrain | Medium |
| P23D9 | Cylinder 3 Fuel Heater Control Circuit/Open → /auto/codes/p23d9/ Cylinder 3 Fuel Heater Control Circuit/Open | Powertrain | Medium |
| P23DA | Cylinder 3 Fuel Heater Control Circuit High → /auto/codes/p23da/ Cylinder 3 Fuel Heater Control Circuit High | Powertrain | Medium |
| P23DB | Cylinder 3 Fuel Heater Control Circuit Low → /auto/codes/p23db/ Cylinder 3 Fuel Heater Control Circuit Low | Powertrain | Medium |
| P23DC | Cylinder 3 Fuel Heater Performance → /auto/codes/p23dc/ Cylinder 3 Fuel Heater Performance | Powertrain | Medium |
| P23DD | Cylinder 4 Fuel Heater Control Circuit/Open → /auto/codes/p23dd/ Cylinder 4 Fuel Heater Control Circuit/Open | Powertrain | Medium |
| P23DE | Cylinder 4 Fuel Heater Control Circuit High → /auto/codes/p23de/ Cylinder 4 Fuel Heater Control Circuit High | Powertrain | Medium |
| P23DF | Cylinder 4 Fuel Heater Control Circuit Low → /auto/codes/p23df/ Cylinder 4 Fuel Heater Control Circuit Low | Powertrain | Medium |
| P23E0 | Cylinder 4 Fuel Heater Performance → /auto/codes/p23e0/ Cylinder 4 Fuel Heater Performance | Powertrain | Medium |
| P23E1 | EGR C Control Circuit/Open → /auto/codes/p23e1/ EGR C Control Circuit/Open | Powertrain | Medium |
| P23E2 | EGR C Control Circuit Performance → /auto/codes/p23e2/ EGR C Control Circuit Performance | Powertrain | Medium |
| P23E3 | EGR C Control Circuit Low → /auto/codes/p23e3/ EGR C Control Circuit Low | Powertrain | Medium |
| P23E4 | EGR C Control Circuit High → /auto/codes/p23e4/ EGR C Control Circuit High | Powertrain | Medium |
| P23E5 | EGR C Control Stuck Open → /auto/codes/p23e5/ EGR C Control Stuck Open | Powertrain | Medium |
| P23E6 | EGR C Control Stuck Closed → /auto/codes/p23e6/ EGR C Control Stuck Closed | Powertrain | Medium |
| P23E7 | EGR C Flow Insufficient Detected → /auto/codes/p23e7/ EGR C Flow Insufficient Detected | Powertrain | Medium |
| P23E8 | EGR C Flow Excessive Detected → /auto/codes/p23e8/ EGR C Flow Excessive Detected | Powertrain | Medium |
| P23E9 | Camshaft A Position Signal Output Circuit/Open Bank 2 → /auto/codes/p23e9/ Camshaft A Position Signal Output Circuit/Open Bank 2 | Powertrain | Medium |
| P23EA | Camshaft A Position Signal Output Circuit Low Bank 2 → /auto/codes/p23ea/ Camshaft A Position Signal Output Circuit Low Bank 2 | Powertrain | Medium |
| P23EB | Camshaft A Position Signal Output Circuit High Bank 2 → /auto/codes/p23eb/ Camshaft A Position Signal Output Circuit High Bank 2 | Powertrain | Medium |
| P23EC | Camshaft B Position Signal Output Circuit/Open Bank 1 → /auto/codes/p23ec/ Camshaft B Position Signal Output Circuit/Open Bank 1 | Powertrain | Medium |
| P23ED | Camshaft B Position Signal Output Circuit Low Bank 1 → /auto/codes/p23ed/ Camshaft B Position Signal Output Circuit Low Bank 1 | Powertrain | Medium |
| P23EE | Camshaft B Position Signal Output Circuit High Bank 1 → /auto/codes/p23ee/ Camshaft B Position Signal Output Circuit High Bank 1 | Powertrain | Medium |
| P23EF | Camshaft B Position Signal Output Circuit/Open Bank 2 → /auto/codes/p23ef/ Camshaft B Position Signal Output Circuit/Open Bank 2 | Powertrain | Medium |
| P23F0 | Camshaft B Position Signal Output Circuit Low Bank 2 → /auto/codes/p23f0/ Camshaft B Position Signal Output Circuit Low Bank 2 | Powertrain | Medium |
| P23F1 | Camshaft B Position Signal Output Circuit High Bank 2 → /auto/codes/p23f1/ Camshaft B Position Signal Output Circuit High Bank 2 | Powertrain | Medium |
| P23F2 | Cylinder 1 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23f2/ Cylinder 1 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23F3 | Cylinder 2 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23f3/ Cylinder 2 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23F4 | Cylinder 3 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23f4/ Cylinder 3 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23F5 | Cylinder 4 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23f5/ Cylinder 4 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23F6 | Cylinder 5 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23f6/ Cylinder 5 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23F7 | Cylinder 6 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23f7/ Cylinder 6 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23F8 | Cylinder 7 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23f8/ Cylinder 7 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23F9 | Cylinder 8 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23f9/ Cylinder 8 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23FA | Cylinder 9 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23fa/ Cylinder 9 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23FB | Cylinder 10 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23fb/ Cylinder 10 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23FC | Cylinder 11 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23fc/ Cylinder 11 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23FD | Cylinder 12 Injector B Air-Fuel Ratio Imbalance → /auto/codes/p23fd/ Cylinder 12 Injector B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23FE | Bank 1 System B Air-Fuel Ratio Imbalance → /auto/codes/p23fe/ Bank 1 System B Air-Fuel Ratio Imbalance | Powertrain | Medium |
| P23FF | Bank 2 System B Air-Fuel Ratio Imbalance → /auto/codes/p23ff/ Bank 2 System B Air-Fuel Ratio Imbalance | Powertrain | Medium |
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