EPB Control Module Internal
The C0331 code means the vehicle's onboard diagnostic system has detected: EPB Control Module Internal. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $300 - $900 (parts and labor)
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Common Symptoms
- Parking brake warning light on
- EPB completely inoperative
- Multiple EPB codes stored
- Communication error with EPB module
Probable Causes (Ranked by Likelihood)
- Failed EPB control module Very High
- Damaged CAN bus wiring High
- Low system voltage Moderate
- Software update needed Low
Step-by-Step Diagnostic Procedure
-
Check EPB module communication on scan tool
-
Inspect EPB module power and ground circuits
-
Check CAN bus wiring to EPB module
-
Verify EPB module software version
Frequently Asked Questions
What does code C0331 mean?
C0331 indicates a fault with the epb control module internal system in your vehicle.
Can I drive with C0331?
You can drive short distances but have the system inspected soon.
How much does it cost to fix C0331?
Typical repair costs are $300 - $900 (parts and labor).
Sources
This page is built from documented references. Verify against your own service info before repair work.
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