CV Axle Temperature Sensor - Rear Left
The C0856 code means the vehicle's onboard diagnostic system has detected: CV Axle Temperature Sensor - Rear Left. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $250 - $1200 (parts and labor)
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Common Symptoms
- Vibration during acceleration
- Clicking noise during turns
- Drivetrain warning light on
- AWD system fault message
Probable Causes (Ranked by Likelihood)
- Worn CV axle joint Very High
- Damaged drive shaft bearing High
- Failed AWD coupling Moderate
- Differential fluid breakdown Low
Step-by-Step Diagnostic Procedure
-
Inspect CV boots for tears or grease leaks
-
Check drive shaft for play or vibration
-
Test AWD coupling operation
-
Check differential fluid level and condition
Frequently Asked Questions
What does code C0856 mean?
C0856 indicates a fault with the cv axle temperature sensor - rear left.
Can I drive with C0856?
You can drive short distances at low speeds. Avoid highway driving until repaired.
How much does it cost to fix C0856?
Typical repair costs are $250 - $1200 (parts and labor).
Sources
This page is built from documented references. Verify against your own service info before repair work.
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