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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, carry out the “divorce” before replacing the control module. “Marry” the main unit to the car once it has been replaced. See