DTC B1510-14: Taillight/Rear Side Marker Light (Rear Combination Light) Circuit Malfunction (BCM) (Us): Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1510:14 (BCM) (US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Taillight/rear side marker light (rear combination light) circuit malfunction |
| Detection condition |
- The electrical supply unit (ESU) detects a short to ground in the taillight/rear side marker light (rear combination light) circuit.
|
| Fail-safe |
Not applicable |
| Possible cause |
- Rear combination light (LH) connector or terminal malfunction
- Rear combination light (RH) connector or terminal malfunction
- Electrical supply unit (ESU) connector or terminal malfunction
- Short to ground in taillight/rear side marker light (rear combination light) signal circuit
- Taillight/rear side marker light (rear combination light) (LH) malfunction
- Taillight/rear side marker light (rear combination light) (RH) malfunction
- Electrical supply unit (ESU) malfunction
- Body control module (BCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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