C0691
Damper Control Relay Circuit Range
C0691 is an OBD-II diagnostic trouble code meaning: Damper Control Relay Circuit Range. Common causes: faulty shock absorber control relay, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- The suspension only works in one mode (usually comfort)
- Error message in the suspension system
- Deterioration in handling in certain modes
Causes
- Faulty shock absorber control relay
- Open or short circuit in wiring harness
- Corrosion of relay contacts or connectors
- Problems with the suspension control unit
- Low voltage in the on-board network
How to Fix
- Check the condition of the shock absorber control relay (visual inspection, multimeter test)
- Check the integrity of the wiring harness to the relay and control unit
- Clean relay contacts and connectors
- Check the voltage at the relay terminals
- If necessary, replace the relay
- Test the suspension system after repair
Related codes
Error C0691 by Vehicle Brand
FAQ
What does the C0691 code mean?
C0691 is an OBD-II diagnostic trouble code that indicates: Damper Control Relay Circuit Range
What causes a C0691 error code?
The most common causes of C0691 include: Faulty shock absorber control relay; Open or short circuit in wiring harness; Corrosion of relay contacts or connectors; Problems with the suspension control unit.
How do I fix a C0691 diagnostic trouble code?
To fix C0691: Check the condition of the shock absorber control relay (visual inspection, multimeter test). Check the integrity of the wiring harness to the relay and control unit. Clean relay contacts and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0691?
Limited driving only, diagnose soon
How much does it cost to fix C0691?
The estimated repair cost for C0691 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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