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
B0001 Driver Frontal Stage 1 Deployment Control Body Generic Not manufacturer-specific Not classified
B0002 Driver Frontal Stage 2 Deployment Control Body Generic Not manufacturer-specific Not classified
B0003 Driver Frontal Stage 3 Deployment Control Body Generic Not manufacturer-specific Not classified
B0004 Driver Knee Bolster Deployment Control Body Generic Not manufacturer-specific Not classified
B0005 Collapsible Steering Column Deployment Control Body Generic Not manufacturer-specific Not classified
B0010 Passenger Frontal Stage 1 Deployment Control Body Generic Not manufacturer-specific Not classified
B0011 Passenger Frontal Stage 2 Deployment Control Body Generic Not manufacturer-specific Not classified
B0012 Passenger Frontal Stage 3 Deployment Control Body Generic Not manufacturer-specific Not classified
B0013 Passenger Knee Bolster Deployment Control Body Generic Not manufacturer-specific Not classified
B0018 Center Frontal Stage 1 Deployment Control Body Generic Not manufacturer-specific Not classified
B0019 Center Frontal Stage 2 Deployment Control Body Generic Not manufacturer-specific Not classified
B001A Center Frontal Stage 3 Deployment Control Body Generic Not manufacturer-specific Not classified
B0020 Left Side Airbag Deployment Control Body Generic Not manufacturer-specific Not classified
B0021 Left Curtain Deployment Control 1 Body Generic Not manufacturer-specific Not classified
B0022 Left Curtain Deployment Control 2 Body Generic Not manufacturer-specific Not classified
B0028 Right Side Airbag Deployment Control Body Generic Not manufacturer-specific Not classified
B0029 Right Curtain Deployment Control 1 Body Generic Not manufacturer-specific Not classified
B002A Right Curtain Deployment Control 2 Body Generic Not manufacturer-specific Not classified
B0030 Second Row Left Side Airbag Deployment Control Body Generic Not manufacturer-specific Not classified
B0031 Second Row Left Frontal Stage 1 Deployment Control Body Generic Not manufacturer-specific Not classified
B0032 Second Row Left Frontal Stage 2 Deployment Control Body Generic Not manufacturer-specific Not classified
B0033 Second Row Left Frontal Stage 3 Deployment Control Body Generic Not manufacturer-specific Not classified
B0038 Second Row Right Side Airbag Deployment Control Body Generic Not manufacturer-specific Not classified
B0039 Second Row Right Frontal Stage 1 Deployment Control Body Generic Not manufacturer-specific Not classified
B003A Second Row Right Frontal Stage 2 Deployment Control Body Generic Not manufacturer-specific Not classified
B003B Second Row Right Frontal Stage 3 Deployment Control Body Generic Not manufacturer-specific Not classified
B0040 Third Row Left Side Airbag Deployment Control Body Generic Not manufacturer-specific Not classified
B0041 Third Row Left Frontal Stage 1 Deployment Control Body Generic Not manufacturer-specific Not classified
B0042 Third Row Left Frontal Stage 2 Deployment Control Body Generic Not manufacturer-specific Not classified
B0043 Third Row Left Frontal Stage 3 Deployment Control Body Generic Not manufacturer-specific Not classified
B0048 Third Row Right Side Airbag Deployment Control Body Generic Not manufacturer-specific Not classified
B0049 Third Row Right Frontal Stage 1 Deployment Control Body Generic Not manufacturer-specific Not classified
B004A Third Row Right Frontal Stage 2 Deployment Control Body Generic Not manufacturer-specific Not classified
B004B Third Row Right Frontal Stage 3 Deployment Control Body Generic Not manufacturer-specific Not classified
B0050 Driver Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0051 First Row Center Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0052 Passenger Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0053 Second Row Left Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0054 Second Row Center Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0055 Second Row Right Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0056 Third Row Left Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0057 Third Row Center Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0058 Third Row Right Seat Belt Sensor Body Generic Not manufacturer-specific Not classified
B0060 Driver Seat Belt Tension Sensor Body Generic Not manufacturer-specific Not classified
B0061 Passenger Seat Belt Tension Sensor Body Generic Not manufacturer-specific Not classified
B0070 Driver Seat Belt Pretensioner A Deployment Control Body Generic Not manufacturer-specific Not classified
B0071 First Row Center Seat Belt Pretensioner Deployment Control Body Generic Not manufacturer-specific Not classified
B0072 Passenger Seat Belt Pretensioner A Deployment Control Body Generic Not manufacturer-specific Not classified
B0073 Second Row Left Seat Belt Pretensioner Deployment Control Body Generic Not manufacturer-specific Not classified
B0074 Second Row Center Seat Belt Pretensioner Deployment Control Body Generic Not manufacturer-specific Not classified