OBD-II · CODE FAMILY
Codes B12xx — what they mean
B12xx is a family of 98 manufacturer-specific OBD2 codes covering body and electrical faults. Each B12xx code below links to its own page with causes, diagnosis and the parts to fix it.
98 codesBody systems
FAMILY
RangeB1200–B1299
Codes98
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 |
|---|---|---|---|
| B1200 | Climate Control Pushbutton Circuit Failure → /auto/codes/b1200/ Climate Control Pushbutton Circuit Failure | Body | Medium |
| B1201 | Fuel Sender Circuit Failure → /auto/codes/b1201/ Fuel Sender Circuit Failure | Body | Medium |
| B1202 | OBD II fault code B1202 is a manufacturer-specific code that → /auto/codes/b1202/ OBD II fault code B1202 is a manufacturer-specific code that is defined by carmaker Jaguar as, “Fuel Sender Circuit Open”, and is set when the PCM det | Body | Medium |
| B1203 | Fuel Sender Circuit Short To Battery → /auto/codes/b1203/ Fuel Sender Circuit Short To Battery | Body | Medium |
| B1204 | Fuel Sender Circuit Short To Ground → /auto/codes/b1204/ Fuel Sender Circuit Short To Ground | Body | Medium |
| B1205 | EIC Switch-1 Assembly Circuit Failure → /auto/codes/b1205/ EIC Switch-1 Assembly Circuit Failure | Body | Medium |
| B1206 | EIC Switch-1 Assembly Circuit Open → /auto/codes/b1206/ EIC Switch-1 Assembly Circuit Open | Body | Medium |
| B1207 | EIC Switch-1 Assembly Circuit Short To Battery → /auto/codes/b1207/ EIC Switch-1 Assembly Circuit Short To Battery | Body | Medium |
| B1208 | When I have diagnosed a stored code B1208, it has always mea → /auto/codes/b1208/ When I have diagnosed a stored code B1208, it has always meant that either the instrument panel controller (IPC), body control module (BCM), or the po | Body | Medium |
| B1209 | EIC Switch-2 Assembly Circuit Failure → /auto/codes/b1209/ EIC Switch-2 Assembly Circuit Failure | Body | Medium |
| B1210 | EIC Switch-2 Assembly Circuit Open → /auto/codes/b1210/ EIC Switch-2 Assembly Circuit Open | Body | Medium |
| B1211 | EIC Switch-2 Assembly Circuit Short To Battery → /auto/codes/b1211/ EIC Switch-2 Assembly Circuit Short To Battery | Body | Medium |
| B1212 | EIC Switch-2 Assembly Circuit Short To Ground → /auto/codes/b1212/ EIC Switch-2 Assembly Circuit Short To Ground | Body | Medium |
| B1213 | Anti-Theft Number of Programmed Keys Is Below Minimum → /auto/codes/b1213/ Anti-Theft Number of Programmed Keys Is Below Minimum | Body | Medium |
| B1214 | Running Board Lamp Circuit Failure → /auto/codes/b1214/ Running Board Lamp Circuit Failure | Body | Medium |
| B1215 | Running Board Lamp Circuit Short to Battery → /auto/codes/b1215/ Running Board Lamp Circuit Short to Battery | Body | Medium |
| B1216 | Emergency & Road Side Assistance Switch Circuit Short to Gro → /auto/codes/b1216/ Emergency & Road Side Assistance Switch Circuit Short to Ground | Body | Medium |
| B1217 | Horn Relay Coil Circuit Failure → /auto/codes/b1217/ Horn Relay Coil Circuit Failure | Body | Medium |
| B1218 | Horn Relay Coil Circuit Short to Vbatt → /auto/codes/b1218/ Horn Relay Coil Circuit Short to Vbatt | Body | Medium |
| B1219 | Fuel Tank Pressure Sensor Circuit Failure → /auto/codes/b1219/ Fuel Tank Pressure Sensor Circuit Failure | Body | Medium |
| B1220 | Fuel Tank Pressure Sensor Circuit Open → /auto/codes/b1220/ Fuel Tank Pressure Sensor Circuit Open | Body | Medium |
| B1222 | Fuel Temperature Sensor #1 Circuit Failure → /auto/codes/b1222/ Fuel Temperature Sensor #1 Circuit Failure | Body | Medium |
| B1223 | Fuel Temperature Sensor #1 Circuit Open → /auto/codes/b1223/ Fuel Temperature Sensor #1 Circuit Open | Body | Medium |
| B1224 | Fuel Temperature Sensor #1 Circuit Short to Battery → /auto/codes/b1224/ Fuel Temperature Sensor #1 Circuit Short to Battery | Body | Medium |
| B1225 | Fuel Temperature Sensor #1 Circuit Short to Ground → /auto/codes/b1225/ Fuel Temperature Sensor #1 Circuit Short to Ground | Body | Medium |
| B1226 | Fuel Temperature Sensor #2 Circuit Failure → /auto/codes/b1226/ Fuel Temperature Sensor #2 Circuit Failure | Body | Medium |
| B1227 | Fuel Temperature Sensor #2 Circuit Open → /auto/codes/b1227/ Fuel Temperature Sensor #2 Circuit Open | Body | Medium |
| B1228 | Fuel Temperature Sensor #2 Circuit Short to Battery → /auto/codes/b1228/ Fuel Temperature Sensor #2 Circuit Short to Battery | Body | Medium |
| B1229 | Fuel Temperature Sensor #2 Circuit Short to Ground → /auto/codes/b1229/ Fuel Temperature Sensor #2 Circuit Short to Ground | Body | Medium |
| B1231 | Longitudinal Acceleration Threshold Exceeded → /auto/codes/b1231/ Longitudinal Acceleration Threshold Exceeded | Body | Medium |
| B1232 | See Manufacturer → /auto/codes/b1232/ See Manufacturer | Body | Medium |
| B1233 | Glass Break Sensor Failure → /auto/codes/b1233/ Glass Break Sensor Failure | Body | Medium |
| B1234 | Mirror Switch Invalid Code → /auto/codes/b1234/ Mirror Switch Invalid Code | Body | Medium |
| B1235 | Window Feedback Failure → /auto/codes/b1235/ Window Feedback Failure | Body | Medium |
| B1236 | Window Feedback Loss of Signal → /auto/codes/b1236/ Window Feedback Loss of Signal | Body | Medium |
| B1237 | Window Feedback Out of Range → /auto/codes/b1237/ Window Feedback Out of Range | Body | Medium |
| B1238 | Over Temperature Fault → /auto/codes/b1238/ Over Temperature Fault | Body | Medium |
| B1239 | Air Flow Blend Door Driver Circuit Failure → /auto/codes/b1239/ Air Flow Blend Door Driver Circuit Failure | Body | Medium |
| B1240 | Wiper Washer Rear Pump Relay Circuit Failure → /auto/codes/b1240/ Wiper Washer Rear Pump Relay Circuit Failure | Body | Medium |
| B1241 | Wiper Washer Rear Pump Relay Circuit Short to Battery → /auto/codes/b1241/ Wiper Washer Rear Pump Relay Circuit Short to Battery | Body | Medium |
| B1242 | Air Flow Recirculation Door Driver Circuit Failure → /auto/codes/b1242/ Air Flow Recirculation Door Driver Circuit Failure | Body | Medium |
| B1243 | Express Window Down Switch Circuit Short to Battery → /auto/codes/b1243/ Express Window Down Switch Circuit Short to Battery | Body | Medium |
| B1244 | Wiper Rear Motor Run Relay Circuit Failure → /auto/codes/b1244/ Wiper Rear Motor Run Relay Circuit Failure | Body | Medium |
| B1245 | Wiper Rear Motor Run Relay Circuit Short to Battery → /auto/codes/b1245/ Wiper Rear Motor Run Relay Circuit Short to Battery | Body | Medium |
| B1246 | Dim Panel Potentiometer Switch Circuit Failure → /auto/codes/b1246/ Dim Panel Potentiometer Switch Circuit Failure | Body | Medium |
| B1247 | Panel Dim Switch Circuit Open → /auto/codes/b1247/ Panel Dim Switch Circuit Open | Body | Medium |
| B1248 | Passenger's Seatback Autoglide Rearward Switch Circuit Short → /auto/codes/b1248/ Passenger's Seatback Autoglide Rearward Switch Circuit Short to Ground | Body | Medium |
| B1249 | Blend Door Failure → /auto/codes/b1249/ Blend Door Failure | Body | Medium |
| B1250 | OBD II fault code B1250 is a manufacturer-specific code defi → /auto/codes/b1250/ OBD II fault code B1250 is a manufacturer-specific code defined by Ford and many other car makers as Air Temperature Internal Sensor Circuit Failure. | Body | Medium |
| B1251 | Air Temperature Internal Sensor Circuit Open → /auto/codes/b1251/ Air Temperature Internal Sensor Circuit Open | Body | Medium |
| B1252 | Air Temperature Internal Sensor Circuit Short To Battery → /auto/codes/b1252/ Air Temperature Internal Sensor Circuit Short To Battery | Body | Medium |
| B1253 | Air Temperature Internal Sensor Circuit Short To Ground → /auto/codes/b1253/ Air Temperature Internal Sensor Circuit Short To Ground | Body | Medium |
| B1254 | Air Temperature External Sensor Circuit Failure → /auto/codes/b1254/ Air Temperature External Sensor Circuit Failure | Body | Medium |
| B1255 | Air Temperature External Sensor Circuit Open → /auto/codes/b1255/ Air Temperature External Sensor Circuit Open | Body | Medium |
| B1256 | Air Temperature External Sensor Circuit Short To Battery → /auto/codes/b1256/ Air Temperature External Sensor Circuit Short To Battery | Body | Medium |
| B1257 | Air Temperature External Sensor Circuit Short To Ground → /auto/codes/b1257/ Air Temperature External Sensor Circuit Short To Ground | Body | Medium |
| B1258 | Solar Radiation Sensor Circuit Failure → /auto/codes/b1258/ Solar Radiation Sensor Circuit Failure | Body | Medium |
| B1259 | Solar Radiation Sensor Circuit Open → /auto/codes/b1259/ Solar Radiation Sensor Circuit Open | Body | Medium |
| B1260 | Solar Radiation Sensor Circuit Short To Battery → /auto/codes/b1260/ Solar Radiation Sensor Circuit Short To Battery | Body | Medium |
| B1261 | Solar Radiation Sensor Circuit Short To Ground → /auto/codes/b1261/ Solar Radiation Sensor Circuit Short To Ground | Body | Medium |
| B1262 | Servo Motor Defrost Circuit Failure → /auto/codes/b1262/ Servo Motor Defrost Circuit Failure | Body | Medium |
| B1263 | Servo Motor Vent Circuit Failure → /auto/codes/b1263/ Servo Motor Vent Circuit Failure | Body | Medium |
| B1264 | Servo Motor Foot Circuit Failure → /auto/codes/b1264/ Servo Motor Foot Circuit Failure | Body | Medium |
| B1265 | Servo Motor Coolair Bypass Circuit Failure → /auto/codes/b1265/ Servo Motor Coolair Bypass Circuit Failure | Body | Medium |
| B1266 | Servo Motor Airintake Left Circuit Failure → /auto/codes/b1266/ Servo Motor Airintake Left Circuit Failure | Body | Medium |
| B1267 | Servo Motor Airintake Right Circuit Failure → /auto/codes/b1267/ Servo Motor Airintake Right Circuit Failure | Body | Medium |
| B1268 | Servo Motor Potentiometer Defrost Circuit Failure → /auto/codes/b1268/ Servo Motor Potentiometer Defrost Circuit Failure | Body | Medium |
| B1269 | Servo Motor Potentiometer Defrost Circuit Open → /auto/codes/b1269/ Servo Motor Potentiometer Defrost Circuit Open | Body | Medium |
| B1270 | Servo Motor Potentiometer Defrost Circuit Short To Battery → /auto/codes/b1270/ Servo Motor Potentiometer Defrost Circuit Short To Battery | Body | Medium |
| B1271 | Servo Motor Potentiometer Defrost Circuit Short To Ground → /auto/codes/b1271/ Servo Motor Potentiometer Defrost Circuit Short To Ground | Body | Medium |
| B1272 | Servo Motor Potentiometer Vent Circuit Failure → /auto/codes/b1272/ Servo Motor Potentiometer Vent Circuit Failure | Body | Medium |
| B1273 | Servo Motor Potentiometer Vent Circuit Open → /auto/codes/b1273/ Servo Motor Potentiometer Vent Circuit Open | Body | Medium |
| B1274 | Servo Motor Potentiometer Vent Circuit Short To Battery → /auto/codes/b1274/ Servo Motor Potentiometer Vent Circuit Short To Battery | Body | Medium |
| B1275 | Servo Motor Potentiometer Vent Circuit Short To Ground → /auto/codes/b1275/ Servo Motor Potentiometer Vent Circuit Short To Ground | Body | Medium |
| B1276 | Servo Motor Potentiometer Foot Circuit Failure → /auto/codes/b1276/ Servo Motor Potentiometer Foot Circuit Failure | Body | Medium |
| B1277 | Servo Motor Potentiometer Foot Circuit Open → /auto/codes/b1277/ Servo Motor Potentiometer Foot Circuit Open | Body | Medium |
| B1278 | Servo Motor Potentiometer Foot Circuit Short To Battery → /auto/codes/b1278/ Servo Motor Potentiometer Foot Circuit Short To Battery | Body | Medium |
| B1279 | Servo Motor Potentiometer Foot Circuit Short To Ground → /auto/codes/b1279/ Servo Motor Potentiometer Foot Circuit Short To Ground | Body | Medium |
| B1280 | Servo Motor Potentiometer Coolair Circuit Failure → /auto/codes/b1280/ Servo Motor Potentiometer Coolair Circuit Failure | Body | Medium |
| B1281 | Servo Motor Potentiometer Coolair Circuit Open → /auto/codes/b1281/ Servo Motor Potentiometer Coolair Circuit Open | Body | Medium |
| B1282 | Servo Motor Potentiometer Coolair Circuit Short To Battery → /auto/codes/b1282/ Servo Motor Potentiometer Coolair Circuit Short To Battery | Body | Medium |
| B1283 | Servo Motor Potentiometer Coolair Circuit Short To Ground → /auto/codes/b1283/ Servo Motor Potentiometer Coolair Circuit Short To Ground | Body | Medium |
| B1284 | Servo Motor Potentiometer Airintake Left Circuit Failure → /auto/codes/b1284/ Servo Motor Potentiometer Airintake Left Circuit Failure | Body | Medium |
| B1285 | Servo Motor Potentiometer Airintake Left Circuit Open → /auto/codes/b1285/ Servo Motor Potentiometer Airintake Left Circuit Open | Body | Medium |
| B1286 | Servo Motor Potentiometer Airintake Left Circuit Short To Ba → /auto/codes/b1286/ Servo Motor Potentiometer Airintake Left Circuit Short To Battery | Body | Medium |
| B1287 | Servo Motor Potentiometer Airintake Left Circuit Short To Gr → /auto/codes/b1287/ Servo Motor Potentiometer Airintake Left Circuit Short To Ground | Body | Medium |
| B1288 | Servo Motor Potentiometer Airintake Right Circuit Failure → /auto/codes/b1288/ Servo Motor Potentiometer Airintake Right Circuit Failure | Body | Medium |
| B1289 | Servo Motor Potentiometer Airintake Right Circuit Open → /auto/codes/b1289/ Servo Motor Potentiometer Airintake Right Circuit Open | Body | Medium |
| B1290 | Servo Motor Potentiometer Airintake Right Circuit Short To B → /auto/codes/b1290/ Servo Motor Potentiometer Airintake Right Circuit Short To Battery | Body | Medium |
| B1291 | Servo Motor Potentiometer Airintake Right Circuit Short To G → /auto/codes/b1291/ Servo Motor Potentiometer Airintake Right Circuit Short To Ground | Body | Medium |
| B1292 | Battery Power Relay Circuit Failure → /auto/codes/b1292/ Battery Power Relay Circuit Failure | Body | Medium |
| B1293 | Battery Power Relay Circuit Open → /auto/codes/b1293/ Battery Power Relay Circuit Open | Body | Medium |
| B1294 | Battery Power Relay Circuit Short To Battery → /auto/codes/b1294/ Battery Power Relay Circuit Short To Battery | Body | Medium |
| B1295 | Battery Power Relay Circuit Short To Ground → /auto/codes/b1295/ Battery Power Relay Circuit Short To Ground | Body | Medium |
| B1296 | Power Supply Sensor Circuit Failure → /auto/codes/b1296/ Power Supply Sensor Circuit Failure | Body | Medium |
| B1297 | Power Supply Sensor Circuit Open → /auto/codes/b1297/ Power Supply Sensor Circuit Open | Body | Medium |
| B1298 | Power Supply Sensor Circuit Short To Battery → /auto/codes/b1298/ Power Supply Sensor Circuit Short To Battery | Body | Medium |
| B1299 | Power Supply Sensor Circuit Short To Ground → /auto/codes/b1299/ Power Supply Sensor Circuit Short To Ground | Body | Medium |
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