ABS Enable Relay Circuit
The C0026 code means the vehicle's onboard diagnostic system has detected: ABS Enable Relay Circuit. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $30 - $300 (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
- ABS system completely inoperative
- No ABS pump motor sound at startup
- Traction control disabled
Probable Causes (Ranked by Likelihood)
- Failed ABS enable relay Very High
- Corroded relay socket contacts High
- Open circuit in relay control wiring Moderate
- ABS module relay driver failure Low
Step-by-Step Diagnostic Procedure
-
Locate and inspect ABS enable relay in fuse box
-
Swap ABS relay with identical relay to test
-
Check relay control circuit voltage from ABS module
-
Test relay socket contacts for corrosion or damage
Frequently Asked Questions
What does the ABS enable relay do?
It provides main power to the ABS pump motor and hydraulic unit.
Can I swap the ABS relay to test it?
Yes, most fuse boxes have identical relays for other systems that can be swapped.
Is a relay replacement expensive?
ABS relays are typically $15 to $50 for the part.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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