C0691

Damper Control Relay Circuit Range

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

C0690 C0692 C0693