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B1605

Symptom: Symptoms vary depending on the nature of the fault.

B1605

Internal Fault


Fault symptoms

Symptoms vary depending on the nature of the fault.

Conditions

The control module's on-board diagnostics has found an internal fault.

Diagnostic help

Change the control module.

If possible, “divorce” the main unit before it is replaced. Once replaced “marry” the main unit with the car. See Replacing the audio system