Active Body Control System Fault
The C0685 code means the vehicle's onboard diagnostic system has detected: Active Body Control System Fault. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $400 - $2000 (parts and labor)
Basic scanners cannot read ABS codes. BlueDriver reads all systems including ABS, SRS, and transmission through your phone.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
Basic scanners cannot read ABS codes. This one reads all four systems so you know exactly which sensor failed.
Check Price on AmazonAffiliate link -- we earn a commission at no extra cost to you.
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 C0685 mean?
C0685 indicates a fault with the active body control system fault.
Can I drive with C0685?
Drive carefully at low speeds to a repair shop. Suspension handling may be compromised.
How much does it cost to fix C0685?
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.
Explore More
Was this helpful?
Share carcodefinder.com with a friend who needs to decode their check engine light.