OBD-II Code Decoder

Search the licensed P, B, C, and U reference library by code, definition, system, or manufacturer. Reference-only results are not a complete diagnosis.

  • 12,128 OBD-II codes
  • 18,805 reference definitions
  • 16,185 publicly searchable across 10,181 codes

Review-withheld definitions are excluded; lookup records are not published diagnostic pages.

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Matching definitions: 301 · Unique codes: 300.

Code Meaning System Scope Manufacturer Severity
B2202 No Communication to VICS Module (No Fitting of VICS) Body Generic Not manufacturer-specific Not classified
B2300 Seat Driver Memory Position Error Body Generic Not manufacturer-specific Not classified
B2301 Seat Passenger Memory Position Error Body Generic Not manufacturer-specific Not classified
B2320 Mirror Driver Horizontal Feedback Potentiometer Circuit Failure Body Generic Not manufacturer-specific Not classified
B2321 Mirror Driver Horizontal Feedback Potentiometer Circuit Open Body Generic Not manufacturer-specific Not classified
B2322 Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery Body Generic Not manufacturer-specific Not classified
B2323 Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Ground Body Generic Not manufacturer-specific Not classified
B2601 No Latch Signal Sensed on Closing and Door Reversed Body Generic Not manufacturer-specific Not classified
B3000 B3000-B3999 ISO/SAE Reserved Body Generic Not manufacturer-specific Not classified
B3A00 A/C Refrigerant Distribution Valve Actuator C Stuck/Open Body Generic Not manufacturer-specific Not classified
B3A01 A/C Refrigerant Distribution Valve Actuator C Control Circuit/Open Body Generic Not manufacturer-specific Not classified
B3A02 A/C Refrigerant Distribution Valve Actuator C Control Circuit Low Body Generic Not manufacturer-specific Not classified
B3A03 A/C Refrigerant Distribution Valve Actuator C Control Circuit High Body Generic Not manufacturer-specific Not classified
B3A04 A/C Refrigerant Distribution Valve C Control Circuit Driver Current/Temperature Too High Body Generic Not manufacturer-specific Not classified
B3A05 A/C Refrigerant Distribution Valve Actuator D Stuck/Open Body Generic Not manufacturer-specific Not classified
B3A06 A/C Refrigerant Distribution Valve Actuator D Control Circuit/Open Body Generic Not manufacturer-specific Not classified
B3A07 A/C Refrigerant Distribution Valve Actuator D Control Circuit Low Body Generic Not manufacturer-specific Not classified
B3A08 A/C Refrigerant Distribution Valve Actuator D Control Circuit High Body Generic Not manufacturer-specific Not classified
B3A09 A/C Refrigerant Distribution Valve D Control Circuit Driver Current/Temperature Too High Body Generic Not manufacturer-specific Not classified
B3A0A A/C Refrigerant Expansion Valve Actuator Stuck/Open Body Generic Not manufacturer-specific Not classified
B3A0B A/C Refrigerant Expansion Valve Actuator Control Circuit/Open Body Generic Not manufacturer-specific Not classified
B3A0C A/C Refrigerant Expansion Valve Actuator Control Circuit Low Body Generic Not manufacturer-specific Not classified
B3A0D A/C Refrigerant Expansion Valve Actuator Control Circuit High Body Generic Not manufacturer-specific Not classified
B3A0E A/C Refrigerant Expansion Valve Actuator Control Circuit Driver Current/Temperature Too High Body Generic Not manufacturer-specific Not classified
B3A0F A/C Condenser Efficiency Below Threshold Body Generic Not manufacturer-specific Not classified
B3A10 A/C Condenser Efficiency Above Threshold Body Generic Not manufacturer-specific Not classified
B3A11 A/C Refrigerant Expansion Valve Actuator Control Circuit Performance Body Generic Not manufacturer-specific Not classified
B3A12 A/C Refrigerant Expansion Valve Actuator Temperature Range/Performance Body Generic Not manufacturer-specific Not classified
B3A13 A/C Refrigerant Distribution Valve A Actuator Control Circuit Performance Body Generic Not manufacturer-specific Not classified
B3A14 A/C Refrigerant Distribution Valve A Actuator Temperature Range/Performance Body Generic Not manufacturer-specific Not classified
B3A15 A/C Refrigerant Distribution Valve B Actuator Control Circuit Performance Body Generic Not manufacturer-specific Not classified
B3A16 A/C Refrigerant Distribution Valve B Actuator Temperature Range/Performance Body Generic Not manufacturer-specific Not classified
B3A17 A/C Refrigerant Distribution Valve C Actuator Control Circuit Performance Body Generic Not manufacturer-specific Not classified
B3A18 A/C Refrigerant Distribution Valve C Actuator Temperature Range/Performance Body Generic Not manufacturer-specific Not classified
B3A19 A/C Refrigerant Distribution Valve D Actuator Control Circuit Performance Body Generic Not manufacturer-specific Not classified
B3A1A A/C Refrigerant Distribution Valve D Actuator Temperature Range/Performance Body Generic Not manufacturer-specific Not classified
B3A1B A/C System Pressure - Too High Body Generic Not manufacturer-specific Not classified
B3A1C A/C System Temperature - Too High Body Generic Not manufacturer-specific Not classified
B3A1D Battery Charger B Body Generic Not manufacturer-specific Not classified
B3A1E Battery Charger A Ground Performance Body Generic Not manufacturer-specific Not classified
B3A1F Battery Charger B Ground Performance Body Generic Not manufacturer-specific Not classified
B3A20 Active Aerodynamic Feature Control Module A Body Generic Not manufacturer-specific Not classified
B3A21 Active Aerodynamic Feature Control Module B Body Generic Not manufacturer-specific Not classified
B3A22 Active Aerodynamic Feature Control Module C Body Generic Not manufacturer-specific Not classified
B3A23 Active Aerodynamic Feature Control Module D Body Generic Not manufacturer-specific Not classified
B3A24 Active Aerodynamic Feature Control Module A Power Mode Circuit High Voltage Body Generic Not manufacturer-specific Not classified
B3A25 Active Aerodynamic Feature Control Module A Power Mode Circuit Low Voltage Body Generic Not manufacturer-specific Not classified
B3A26 Active Aerodynamic Feature Control Module A Power Mode Circuit/Open Body Generic Not manufacturer-specific Not classified
B3A27 Active Aerodynamic Feature Control Module A Power Mode Circuit Performance Body Generic Not manufacturer-specific Not classified
B3A28 Active Aerodynamic Feature Control Module B Power Mode Circuit High Voltage Body Generic Not manufacturer-specific Not classified