BCM / B2540 05
Symptom: Rear fog lights not working.
Rear Fog Light Button Circuit, Open/Short to B+
Fault symptom
Rear fog lights not working.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| When voltage on output exceeds 10.2V. |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
