C1187
ABS Differential Lock Controller
C1187 is an OBD-II diagnostic trouble code meaning: ABS Differential Lock Controller. Common causes: open or short circuit in wiring harness, differential lock solenoid malfunction. Estimated repair cost: $56–278.
Symptoms
- ABS light is on
- Disabling the ESP system
- Unstable operation of the all-wheel drive system
- Clicking or strange noises coming from the differential area
Causes
- Open or short circuit in wiring harness
- Differential lock solenoid malfunction
- Poor contact in connectors
- Mechanical wear of differential
- Problems with the ABS control unit
How to Fix
- Diagnose the ABS system using a scanner
- Check the integrity of the wiring harness and contacts
- Test the resistance of the lockout solenoid
- Check the mechanical condition of the differential
- If necessary, replace faulty components
Related codes
FAQ
What does the C1187 code mean?
C1187 is an OBD-II diagnostic trouble code that indicates: ABS Differential Lock Controller
What causes a C1187 error code?
The most common causes of C1187 include: Open or short circuit in wiring harness; Differential lock solenoid malfunction; Poor contact in connectors; Mechanical wear of differential.
How do I fix a C1187 diagnostic trouble code?
To fix C1187: Diagnose the ABS system using a scanner. Check the integrity of the wiring harness and contacts. Test the resistance of the lockout solenoid. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1187?
Limited driving only, diagnose soon
How much does it cost to fix C1187?
The estimated repair cost for C1187 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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