C1906
Ride Control Left Rear Shock Actuator Circuit Open
C1906 is an OBD-II diagnostic trouble code meaning: Ride Control Left Rear Shock Actuator Circuit Open. Common causes: broken/corrupted insulation of wires to the shock absorber, malfunction of the solenoid inside the shock absorber. Estimated repair cost: $167–444.
Symptoms
- Hard suspension on left rear side
- Suspension error message on dashboard
- Uneven tire wear
- Deterioration in handling on uneven surfaces
Causes
- Broken/corrupted insulation of wires to the shock absorber
- Malfunction of the solenoid inside the shock absorber
- Oxidation of connector contacts
- Problems with the suspension control unit
- Mechanical damage to shock absorber
How to Fix
- Visual inspection of the wiring harness and connectors
- Checking the resistance of the shock absorber circuit with a multimeter
- Testing the operation of the solenoid (if available)
- Replacing damaged wires/connectors
- Replacing the shock absorber if it is confirmed to be faulty
- Reset errors and test drive
Related codes
FAQ
What does the C1906 code mean?
C1906 is an OBD-II diagnostic trouble code that indicates: Ride Control Left Rear Shock Actuator Circuit Open
What causes a C1906 error code?
The most common causes of C1906 include: Broken/corrupted insulation of wires to the shock absorber; Malfunction of the solenoid inside the shock absorber; Oxidation of connector contacts; Problems with the suspension control unit.
How do I fix a C1906 diagnostic trouble code?
To fix C1906: Visual inspection of the wiring harness and connectors. Checking the resistance of the shock absorber circuit with a multimeter. Testing the operation of the solenoid (if available). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1906?
Limited driving only, diagnose soon
How much does it cost to fix C1906?
The estimated repair cost for C1906 is $167–444. Actual cost depends on your vehicle, location, and labor rates.
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