OBD-II · CODE FAMILY
Codes B21xx — what they mean
B21xx is a family of 86 manufacturer-specific OBD2 codes covering body and electrical faults. Each B21xx code below links to its own page with causes, diagnosis and the parts to fix it.
86 codesBody systems
FAMILY
RangeB2100–B2199
Codes86
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 |
|---|---|---|---|
| B2100 | Door Driver Key Cylinder Switch Failure → /auto/codes/b2100/ Door Driver Key Cylinder Switch Failure | Body | Medium |
| B2101 | Head Rest Switch Circuit Failure → /auto/codes/b2101/ Head Rest Switch Circuit Failure | Body | Medium |
| B2102 | Antenna Circuit Short to Ground → /auto/codes/b2102/ Antenna Circuit Short to Ground | Body | Medium |
| B2103 | Antenna Not Connected → /auto/codes/b2103/ Antenna Not Connected | Body | Medium |
| B2104 | Door Passenger Key Cylinder Switch Failure → /auto/codes/b2104/ Door Passenger Key Cylinder Switch Failure | Body | Medium |
| B2105 | Throttle Position Input Out of Range Low → /auto/codes/b2105/ Throttle Position Input Out of Range Low | Body | Medium |
| B2106 | Throttle Position Input Out of Range High → /auto/codes/b2106/ Throttle Position Input Out of Range High | Body | Medium |
| B2107 | NOTE: B2107 is an SAE, manufacturer specific code ( all B2XX → /auto/codes/b2107/ NOTE: B2107 is an SAE, manufacturer specific code ( all B2XXX codes SAE defined as manufacturer specific ) that is used by many car makers to indicate | Body | Medium |
| B2108 | Trunk Key Cylinder Switch Failure → /auto/codes/b2108/ Trunk Key Cylinder Switch Failure | Body | Medium |
| B2109 | Heated Wind Shield Relay Short to Vbatt (changed from Failur → /auto/codes/b2109/ Heated Wind Shield Relay Short to Vbatt (changed from Failure 2/6/97) | Body | Medium |
| B2110 | Front Wiper Motor Relay Circuit Open (changed from Failure 2 → /auto/codes/b2110/ Front Wiper Motor Relay Circuit Open (changed from Failure 2/6/97) | Body | Medium |
| B2111 | All Door Lock Input Short to Ground → /auto/codes/b2111/ All Door Lock Input Short to Ground | Body | Medium |
| B2112 | Door Driver Set Switch Stuck Failure → /auto/codes/b2112/ Door Driver Set Switch Stuck Failure | Body | Medium |
| B2113 | Heated Windshield Input Short to Ground → /auto/codes/b2113/ Heated Windshield Input Short to Ground | Body | Medium |
| B2114 | Front Washer Input Short to Ground → /auto/codes/b2114/ Front Washer Input Short to Ground | Body | Medium |
| B2115 | Rear Washer Input Short to Ground → /auto/codes/b2115/ Rear Washer Input Short to Ground | Body | Medium |
| B2116 | Door Driver Reset Switch Stuck Failure → /auto/codes/b2116/ Door Driver Reset Switch Stuck Failure | Body | Medium |
| B2117 | Driver Side, Side mount Airbag Low capacitance on Squib → /auto/codes/b2117/ Driver Side, Side mount Airbag Low capacitance on Squib | Body | Medium |
| B2118 | Passenger Sid, Side mount Airbag Low capacitance on Squib → /auto/codes/b2118/ Passenger Sid, Side mount Airbag Low capacitance on Squib | Body | Medium |
| B2119 | Compressor Failure → /auto/codes/b2119/ Compressor Failure | Body | Medium |
| B2120 | Door Passenger Set Switch Stuck Failure → /auto/codes/b2120/ Door Passenger Set Switch Stuck Failure | Body | Medium |
| B2122 | Driver Side Satellite Communication Circuit Short to Ground → /auto/codes/b2122/ Driver Side Satellite Communication Circuit Short to Ground | Body | Medium |
| B2123 | Passenger Side Satellite Communication Circuit Short to Grou → /auto/codes/b2123/ Passenger Side Satellite Communication Circuit Short to Ground | Body | Medium |
| B2124 | Door Passenger Reset Switch Stuck Failure → /auto/codes/b2124/ Door Passenger Reset Switch Stuck Failure | Body | Medium |
| B2128 | Central Lock Motor Failure → /auto/codes/b2128/ Central Lock Motor Failure | Body | Medium |
| B2129 | Central Lock Feedback Failure → /auto/codes/b2129/ Central Lock Feedback Failure | Body | Medium |
| B2130 | Double Lock Timeout Failure → /auto/codes/b2130/ Double Lock Timeout Failure | Body | Medium |
| B2131 | Double Lock Feedback Failure → /auto/codes/b2131/ Double Lock Feedback Failure | Body | Medium |
| B2132 | Dimmer switch Circuit Short to Gnd → /auto/codes/b2132/ Dimmer switch Circuit Short to Gnd | Body | Medium |
| B2133 | Brake Motor Warning lamp Circuit Failure → /auto/codes/b2133/ Brake Motor Warning lamp Circuit Failure | Body | Medium |
| B2134 | Brake Motor Warning lamp Circuit Short to Vbatt → /auto/codes/b2134/ Brake Motor Warning lamp Circuit Short to Vbatt | Body | Medium |
| B2135 | Park Brake Applied Warning Lamp Circuit Failure → /auto/codes/b2135/ Park Brake Applied Warning Lamp Circuit Failure | Body | Medium |
| B2136 | Park Brake Applied Warning Lamp Circuit Short To Battery → /auto/codes/b2136/ Park Brake Applied Warning Lamp Circuit Short To Battery | Body | Medium |
| B2139 | Data Mismatch (receive data does not match what was expected → /auto/codes/b2139/ Data Mismatch (receive data does not match what was expected) | Body | Medium |
| B2141 | NVM Configuration Failure → /auto/codes/b2141/ NVM Configuration Failure | Body | Medium |
| B2142 | NVM TIC Failure → /auto/codes/b2142/ NVM TIC Failure | Body | Medium |
| B2143 | NVM Memory Failure → /auto/codes/b2143/ NVM Memory Failure | Body | Medium |
| B2144 | NVM Alarm Data Failure → /auto/codes/b2144/ NVM Alarm Data Failure | Body | Medium |
| B2145 | NVM RF HR Failure → /auto/codes/b2145/ NVM RF HR Failure | Body | Medium |
| B2146 | Seat Recline Motor Position Out of Range → /auto/codes/b2146/ Seat Recline Motor Position Out of Range | Body | Medium |
| B2148 | PWM Input Circuit Failure → /auto/codes/b2148/ PWM Input Circuit Failure | Body | Medium |
| B2149 | Seat Front Vertical Motor Position Out of Range → /auto/codes/b2149/ Seat Front Vertical Motor Position Out of Range | Body | Medium |
| B2150 | Power Supply #1 Circuit Short to Ground → /auto/codes/b2150/ Power Supply #1 Circuit Short to Ground | Body | Medium |
| B2151 | Power Supply #2 Circuit Short to Ground → /auto/codes/b2151/ Power Supply #2 Circuit Short to Ground | Body | Medium |
| B2152 | Seat Rear Vertical Motor Position Out of Range → /auto/codes/b2152/ Seat Rear Vertical Motor Position Out of Range | Body | Medium |
| B2153 | Rear Echo Sensor Circuit Failure → /auto/codes/b2153/ Rear Echo Sensor Circuit Failure | Body | Medium |
| B2154 | Front Echo Sensor Circuit Failure → /auto/codes/b2154/ Front Echo Sensor Circuit Failure | Body | Medium |
| B2155 | Seat Horizontal Motor Position Out of Range → /auto/codes/b2155/ Seat Horizontal Motor Position Out of Range | Body | Medium |
| B2156 | Rear Doppler Sensor Circuit Failure → /auto/codes/b2156/ Rear Doppler Sensor Circuit Failure | Body | Medium |
| B2157 | Front Doppler Sensor Circuit Failure → /auto/codes/b2157/ Front Doppler Sensor Circuit Failure | Body | Medium |
| B2158 | Seat Recline Motor Memory Position Out of Range → /auto/codes/b2158/ Seat Recline Motor Memory Position Out of Range | Body | Medium |
| B2159 | Memory #1 output Short to Ground → /auto/codes/b2159/ Memory #1 output Short to Ground | Body | Medium |
| B2160 | Memory #1 output Short to VBatt → /auto/codes/b2160/ Memory #1 output Short to VBatt | Body | Medium |
| B2161 | Seat Front Vertical Motor Memory Position Out of Range → /auto/codes/b2161/ Seat Front Vertical Motor Memory Position Out of Range | Body | Medium |
| B2162 | Data Mismatch #2 (receive data does not match what was expec → /auto/codes/b2162/ Data Mismatch #2 (receive data does not match what was expected) | Body | Medium |
| B2163 | Clutch Position Fault → /auto/codes/b2163/ Clutch Position Fault | Body | Medium |
| B2164 | Seat Rear Vertical Motor Memory Position Out of Range → /auto/codes/b2164/ Seat Rear Vertical Motor Memory Position Out of Range | Body | Medium |
| B2165 | Gear shift position Fault → /auto/codes/b2165/ Gear shift position Fault | Body | Medium |
| B2166 | Gear select position Fault → /auto/codes/b2166/ Gear select position Fault | Body | Medium |
| B2167 | Seat Horizontal Motor Memory Position Out of Range → /auto/codes/b2167/ Seat Horizontal Motor Memory Position Out of Range | Body | Medium |
| B2168 | Unable to confirm Unlock Condition → /auto/codes/b2168/ Unable to confirm Unlock Condition | Body | Medium |
| B2169 | Unable to confirm lock Condition → /auto/codes/b2169/ Unable to confirm lock Condition | Body | Medium |
| B2170 | Steering Column Lock Switch Circuit Failure → /auto/codes/b2170/ Steering Column Lock Switch Circuit Failure | Body | Medium |
| B2172 | Inertia Switch input Circuit Open → /auto/codes/b2172/ Inertia Switch input Circuit Open | Body | Medium |
| B2174 | Window Driver Rear Remote Up Switch Short to Battery → /auto/codes/b2174/ Window Driver Rear Remote Up Switch Short to Battery | Body | Medium |
| B2175 | A/C Request Signal Circuit Short to Ground → /auto/codes/b2175/ A/C Request Signal Circuit Short to Ground | Body | Medium |
| B2176 | Overdrive switch circuit short to Vbatt → /auto/codes/b2176/ Overdrive switch circuit short to Vbatt | Body | Medium |
| B2177 | Interior Scanning Sensor Circuit Failure → /auto/codes/b2177/ Interior Scanning Sensor Circuit Failure | Body | Medium |
| B2178 | Window Driver Rear Remote Down Switch Short to Battery → /auto/codes/b2178/ Window Driver Rear Remote Down Switch Short to Battery | Body | Medium |
| B2179 | Front Wiper Select Switch "A" Short to Ground → /auto/codes/b2179/ Front Wiper Select Switch "A" Short to Ground | Body | Medium |
| B2180 | Front Wiper Select Switch "B" Short to Ground → /auto/codes/b2180/ Front Wiper Select Switch "B" Short to Ground | Body | Medium |
| B2181 | Front Wiper Select Switch "C" Short to Ground → /auto/codes/b2181/ Front Wiper Select Switch "C" Short to Ground | Body | Medium |
| B2182 | Window Passenger Front Remote Up Switch Short to Battery → /auto/codes/b2182/ Window Passenger Front Remote Up Switch Short to Battery | Body | Medium |
| B2183 | Front Wiper Select Switch "H" Short to Ground → /auto/codes/b2183/ Front Wiper Select Switch "H" Short to Ground | Body | Medium |
| B2184 | Front Wiper Select Switch "W" Short to Ground → /auto/codes/b2184/ Front Wiper Select Switch "W" Short to Ground | Body | Medium |
| B2185 | Rear Wiper Select Switch "D" Short to Ground → /auto/codes/b2185/ Rear Wiper Select Switch "D" Short to Ground | Body | Medium |
| B2186 | Window Passenger Front Remote Down Switch Short to Battery → /auto/codes/b2186/ Window Passenger Front Remote Down Switch Short to Battery | Body | Medium |
| B2187 | Rear Wiper Select Switch "B" Short to Ground → /auto/codes/b2187/ Rear Wiper Select Switch "B" Short to Ground | Body | Medium |
| B2188 | Rear Wiper Select Switch "E" Short to Ground → /auto/codes/b2188/ Rear Wiper Select Switch "E" Short to Ground | Body | Medium |
| B2190 | Window Passenger Rear Remote Up Switch Short to Battery → /auto/codes/b2190/ Window Passenger Rear Remote Up Switch Short to Battery | Body | Medium |
| B2194 | Window Passenger Rear Remote Down Switch Short to Battery → /auto/codes/b2194/ Window Passenger Rear Remote Down Switch Short to Battery | Body | Medium |
| B2195 | Driver Window Up / Down Power Circuit Short to Ground → /auto/codes/b2195/ Driver Window Up / Down Power Circuit Short to Ground | Body | Medium |
| B2196 | Passenger Window Up / Down Power Circuit Short to Ground → /auto/codes/b2196/ Passenger Window Up / Down Power Circuit Short to Ground | Body | Medium |
| B2197 | TV Module Error → /auto/codes/b2197/ TV Module Error | Body | Medium |
| B2198 | TrafficMaster Module Error → /auto/codes/b2198/ TrafficMaster Module Error | Body | Medium |
| B2199 | VICS Module Error → /auto/codes/b2199/ VICS Module Error | Body | Medium |
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