B2556 0F

B2556 0F

Interior Light, Circuit Malfunction







Fault symptom
- Interior lighting not working.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Ignition ON.
- Interior lighting activated.

Fault criteria:
- When there is no voltage on the control module input and output to interior lighting, but the lighting should be on.

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 Reading:
- Interior Light Feed (not PWM)
(See also description of readings/activations in diagnostic tool)