C1489
Rear Differential Motor Brake Component Internal Failure
C1489 is an OBD-II diagnostic trouble code meaning: Rear Differential Motor Brake Component Internal Failure. Common causes: mechanical wear of differential brake components, problems with wiring or wiring harness. Estimated repair cost: $167–444.
Symptoms
- Check Engine light comes on
- Deterioration in off-road handling
- Unusual sounds from the rear differential area
- Limitation of all-wheel drive system operation
Causes
- Mechanical wear of differential brake components
- Problems with wiring or wiring harness
- Malfunction of differential related sensors
- Damaged or corroded electrical connections
How to Fix
- Carry out diagnostics using an OBD-II scanner to clarify the problem
- Check the condition of the wiring harness and electrical connections
- Inspect the differential brake mechanical components for wear or damage.
- If necessary, replace faulty components
- Clear error codes and test drive
Related codes
FAQ
What does the C1489 code mean?
C1489 is an OBD-II diagnostic trouble code that indicates: Rear Differential Motor Brake Component Internal Failure
What causes a C1489 error code?
The most common causes of C1489 include: Mechanical wear of differential brake components; Problems with wiring or wiring harness; Malfunction of differential related sensors; Damaged or corroded electrical connections.
How do I fix a C1489 diagnostic trouble code?
To fix C1489: Carry out diagnostics using an OBD-II scanner to clarify the problem. Check the condition of the wiring harness and electrical connections. Inspect the differential brake mechanical components for wear or damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1489?
Limited driving only, diagnose soon
How much does it cost to fix C1489?
The estimated repair cost for C1489 is $167–444. Actual cost depends on your vehicle, location, and labor rates.
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