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CIM / C0490 06

Read the instructions below then start the fault diagnostic procedure.

Symptom: Message appears in display. Steering column lock not working. Possible that ignition key cannot be turned.

  C0490 06


ISM-SCL, Unsecure Lockingbolt Circuit, Open/Short to Ground

Fault symptom

Message appears in display.

Steering column lock not working.

Possible that ignition key cannot be turned.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Diagnostics runs when key is removed.

Fault criteria:

Lead ISM-SCL shorted to ground/open-circuit.

System reaction to a fault:

Steering column lock deactivated.
The control module does not allow starter motor cranking.

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:

Test value:
SCL Voltage, Unlocked and Secured
(See also description of readings/activations in diagnostic tool)
ISM-SCL, Unsecure Lockingbolt Circuit, Open/Short to Ground