B
Body
Cabin and body electronics: climate control, seats, lighting, locking, airbags and restraint systems.
No open-source descriptions exist for this system, so its codes are read from their structure.
B0xxxStandardised (SAE/ISO)
Standardised meaning, consistent across manufacturers.
- B00xxB0000 – B00FF
- B01xxB0100 – B01FF
- B02xxB0200 – B02FF
- B03xxB0300 – B03FF
- B04xxB0400 – B04FF
- B05xxB0500 – B05FF
- B06xxB0600 – B06FF
- B07xxB0700 – B07FF
- B08xxB0800 – B08FF
- B09xxB0900 – B09FF
- B0AxxB0A00 – B0AFF
- B0BxxB0B00 – B0BFF
- B0CxxB0C00 – B0CFF
- B0DxxB0D00 – B0DFF
- B0ExxB0E00 – B0EFF
- B0FxxB0F00 – B0FFF
B1xxxManufacturer-specific
Check a source specific to your make and model year.
- B10xxB1000 – B10FF
- B11xxB1100 – B11FF
- B12xxB1200 – B12FF
- B13xxB1300 – B13FF
- B14xxB1400 – B14FF
- B15xxB1500 – B15FF
- B16xxB1600 – B16FF
- B17xxB1700 – B17FF
- B18xxB1800 – B18FF
- B19xxB1900 – B19FF
- B1AxxB1A00 – B1AFF
- B1BxxB1B00 – B1BFF
- B1CxxB1C00 – B1CFF
- B1DxxB1D00 – B1DFF
- B1ExxB1E00 – B1EFF
- B1FxxB1F00 – B1FFF
B2xxxManufacturer-specific
Check a source specific to your make and model year.
- B20xxB2000 – B20FF
- B21xxB2100 – B21FF
- B22xxB2200 – B22FF
- B23xxB2300 – B23FF
- B24xxB2400 – B24FF
- B25xxB2500 – B25FF
- B26xxB2600 – B26FF
- B27xxB2700 – B27FF
- B28xxB2800 – B28FF
- B29xxB2900 – B29FF
- B2AxxB2A00 – B2AFF
- B2BxxB2B00 – B2BFF
- B2CxxB2C00 – B2CFF
- B2DxxB2D00 – B2DFF
- B2ExxB2E00 – B2EFF
- B2FxxB2F00 – B2FFF
B3xxxReserved
If this appears, treat it as manufacturer-specific.
- B30xxB3000 – B30FF
- B31xxB3100 – B31FF
- B32xxB3200 – B32FF
- B33xxB3300 – B33FF
- B34xxB3400 – B34FF
- B35xxB3500 – B35FF
- B36xxB3600 – B36FF
- B37xxB3700 – B37FF
- B38xxB3800 – B38FF
- B39xxB3900 – B39FF
- B3AxxB3A00 – B3AFF
- B3BxxB3B00 – B3BFF
- B3CxxB3C00 – B3CFF
- B3DxxB3D00 – B3DFF
- B3ExxB3E00 – B3EFF
- B3FxxB3F00 – B3FFF
Read this code from your own car
Plug an ELM327 adapter into the OBD-II port under the dashboard. Pin16 reads every stored, pending and permanent code, explains each one like this page does — offline, with no account — and shows what the car recorded when the fault was set.