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CIM / B2657 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: No illumination of steering wheel controls.

  B2657 00


Illumination Steering Wheel Control circuit, Short to Ground

Fault symptom

No illumination of steering wheel controls.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.
Dipped beam on

Fault criteria:

Control module output short-circuit to ground.

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.