C1086

C1086 ABS SYSTEM CONTROL TOO LONG

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
During an ABS event.

- Set Condition:
If the Anti-Lock Brakes Module detects a lack of response from a wheel speed sensor.





Diagnostic Test

1. CHECK IF WHEEL SPEED SENSOR AND/OR IMPLAUSIBLE RELATED DTCs ARE PRESENT
Turn the ignition on.
With the scan tool, read ABS DTCs.
Are any other WHEEL SPEED SENSOR AND/OR IMPLAUSIBLE RELATED DTCs present?

Yes

- Diagnose and repair the DTC(s).
- PERFORM ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 2

2. CHECK HYDRAULIC SYSTEM & BRAKE SYSTEM COMPONENT INSTALLATION & FUNCTION
Verify that the Anti-Lock Brakes Module and Hydraulic Control Unit are properly installed.
Verify that the hydraulic system is properly filled and bled.
Verify that the brake system components are installed and functioning properly.
Were any problems found?

Yes

- Repair as necessary.
- PERFORM ABS VERIFICATION TEST. ABS Verification Test

No

- Replace the Integrated Control Unit.
- PERFORM ABS VERIFICATION TEST. ABS Verification Test