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B1605

Read the instructions below then start the fault diagnostic procedure.

Symptom: Varies depending on fault characteristics.

B1605


Internal Fault


Fault symptoms

Varies depending on fault characteristics.

Conditions

The control module on-board diagnostics has detected an internal fault.

Checking the wiring harness

Move the wiring harness at various points and in different direction to detect any intermittent breaks or short circuits. Observe the multimeter, test lamp or diagnostics tool while checking.