Active Body Control Hydraulic Pump
The C0686 code means the vehicle's onboard diagnostic system has detected: Active Body Control Hydraulic Pump. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $400 - $2000 (parts and labor)
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Common Symptoms
- Suspension warning light on
- Body roll excessive during turns
- Vehicle leans in corners
- Ride quality degraded
Probable Causes (Ranked by Likelihood)
- Failed active stabilizer motor Very High
- Damaged suspension sensor High
- Hydraulic system leak Moderate
- Control module communication error Low
Step-by-Step Diagnostic Procedure
-
Scan suspension module for specific codes
-
Test active stabilizer motor operation
-
Check hydraulic fluid level and leaks
-
Inspect suspension sensor wiring
Frequently Asked Questions
What does code C0686 mean?
C0686 indicates a fault with the active body control hydraulic pump.
Can I drive with C0686?
Drive carefully at low speeds to a repair shop. Suspension handling may be compromised.
How much does it cost to fix C0686?
Typical repair costs are $400 - $2000 (parts and labor).
Sources
This page is built from documented references. Verify against your own service info before repair work.
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