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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DTC Code Format Guide
P Powertrain
B Body
C Chassis
U Network

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B Codes

Code Type System System Name Module Message
B2123 B-Code Body Airbag System Body Control Module Passenger Side Satellite Communication Circuit Short to Ground
B2124 B-Code Body Door System Body Control Module Door Passenger Reset Switch Stuck Failure
B2128 B-Code Body Door System Body Control Module Central Lock Motor Failure
B2129 B-Code Body Door System Body Control Module Central Lock Feedback Failure
B2130 B-Code Body Door System Body Control Module Double Lock Timeout Failure
B2131 B-Code Body Door System Body Control Module Double Lock Feedback Failure
B2132 B-Code Body Lighting System Body Control Module Dimmer switch Circuit Short to Gnd
B2133 B-Code Body Brake System Body Control Module Brake Motor Warning lamp Circuit Failure
B2134 B-Code Body Brake System Body Control Module Brake Motor Warning lamp Circuit Short to Vbatt
B2135 B-Code Body Brake System Body Control Module Park Brake Applied Warning Lamp Circuit Failure
B2136 B-Code Body Brake System Body Control Module Park Brake Applied Warning Lamp Circuit Short To Battery
B2139 B-Code Body Control Module Body Control Module Data Mismatch (received data does not match what was expected)
B2141 B-Code Body Memory System Body Control Module NVM Configuration Failure
B2142 B-Code Body Memory System Body Control Module NVM TIC Failure
B2143 B-Code Body Memory System Body Control Module NVM Memory Failure
B2144 B-Code Body Memory System Body Control Module NVM Alarm Data Failure
B2145 B-Code Body Memory System Body Control Module NVM RFHR Failure
B2146 B-Code Body Seat System Body Control Module Seat Recline Motor Position Out of Range
B2148 B-Code Body Control Module Body Control Module PWM Input Circuit Failure
B2149 B-Code Body Seat System Body Control Module Seat Front Vertical Motor Position Out of Range