ABS Outlet Valve Solenoid Circuit - Rear Right
The C0018 code means the vehicle's onboard diagnostic system has detected: ABS Outlet Valve Solenoid Circuit - Rear Right. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $400 - $1200 (parts and labor)
Basic scanners cannot read ABS codes. BlueDriver reads all systems including ABS, SRS, and transmission through your phone.
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Basic scanners cannot read ABS codes. This one reads all four systems so you know exactly which sensor failed.
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Common Symptoms
- ABS warning light on
- Rear right brake drag
- Hot smell from rear right wheel area
- Stability control malfunction
Probable Causes (Ranked by Likelihood)
- Failed rear right outlet valve solenoid Very High
- Open circuit in valve wiring High
- Valve clogged with contaminated fluid Moderate
- ABS module outlet driver circuit failure Low
Step-by-Step Diagnostic Procedure
-
Retrieve ABS codes including freeze frame data
-
Test rear right outlet solenoid resistance
-
Inspect outlet valve wiring for open or short circuits
-
Use scan tool to command outlet valve on and off
Frequently Asked Questions
What are the symptoms of a stuck outlet valve?
Brake drag on the affected wheel, uneven brake wear, a hot wheel after driving, and ABS warning light.
Can brake fluid flush fix a stuck valve?
In rare cases a flush may dislodge minor debris, but a failed solenoid requires replacement.
How urgent is this repair?
A stuck valve causing brake drag can overheat the brake and potentially cause a fire. Repair promptly.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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