Diagnostic Trouble Code Search
Find detailed information about vehicle diagnostic trouble codes (DTCs). Enter a code or select a make to search our comprehensive database.
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B Codes |
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| Code | Type | System | System Name | Module | Message |
| B2439 | B-Code | Body | Restraint System | Body Control Module | Passengers Seat Belt Buckle Switch Resistance out of Range |
| B2440 | B-Code | Body | Airbag System | Body Control Module | Passenger Side Side Crash Sensor Mount Fault |
| B2441 | B-Code | Body | Airbag System | Body Control Module | Driver Side Side Crash Sensor Mount Fault |
| B2442 | B-Code | Body | Security System | Body Control Module | Intrusion Sensor Fault |
| B2443 | B-Code | Body | Powertrain Control | Body Control Module | Powertrain Performance Mode Switch Circuit Failure |
| B2444 | B-Code | Body | Airbag System | Body Control Module | Driver Side Crash Sensor Internal Fault |
| B2445 | B-Code | Body | Airbag System | Body Control Module | Passenger Side Crash Sensor Internal Fault |
| B2446 | B-Code | Body | Emergency System | Body Control Module | RESCU/VEMS Input Circuit Open |
| B2447 | B-Code | Body | Emergency System | Body Control Module | RESCU/VEMS Input Circuit Short to Battery |
| B2448 | B-Code | Body | Emergency System | Body Control Module | RESCU/VEMS Input Circuit Short to Ground |
| B2449 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Glow Plug Circuit Short to Ground |
| B2450 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Glow Plug Circuit Open |
| B2451 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Fuel Pump Circuit Short to Ground |
| B2452 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Fuel Pump Circuit Open |
| B2453 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Blower Fan Circuit Short to Ground |
| B2454 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Blower Fan Circuit Open |
| B2455 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Blower Faulted |
| B2456 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Coolant Sensor Circuit Short to Ground |
| B2457 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Coolant Sensor Circuit Open |
| B2458 | B-Code | Body | Auxiliary Heater | Body Control Module | Aux Heater Overheat Sensor Circuit Short to Ground |