PowertrainP04BF
CautionSeverity: Caution - get it checked when you can
Left rear brake light failure
Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions
1What it means in plain English
The left rear brake light is not working, so drivers behind may not see when you brake.
2Common causes
- Blown brake light bulb
- Damaged wiring or connector at the lamp
- Faulty brake light switch
- Water or corrosion in the lamp housing
- Body control module fault
3Can I drive?
Have it fixed promptly: brake lights that do not work are dangerous, especially at night or in poor weather. If the brake lights do not come on at all, avoid driving until they are repaired.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 14
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P04BF | ECU-Controller.Wrong Cogwheel Brand | Powertrain |
| Daewoo | P04BF | No description available | Powertrain |
| DFFS | P04BF | Left rear brake light failure Brand | Powertrain |
| EOBD | P04BF | Fuel fill door unlock control circuit/open Brand | Powertrain |
| GM | P04BF | No description available | Powertrain |
| Holden | P04BF | Fuel Fill Door Unlock Control Circuit Brand | Powertrain |
| Isuzu | P04BF | No description available | Powertrain |
| Land Rover | P04BF | Fuel filler door unlock - Control circuit open circuit Brand | Powertrain |
| Mitsubishi | P04BF | Fuel fill door lock motor Brand | Powertrain |
| Opel | P04BF | No description available | Powertrain |
| Peugeot | P04BF | No description available | Powertrain |
| Proton | P04BF | Fuel fill door lock motor Brand | Powertrain |
| Saab | P04BF | No description available | Powertrain |
| Toyota | P04BF | Left rear brake light failure Brand | Powertrain |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Related codes
Browse Pxxx codes or P04Bxx codes.