EBC 125 RWAL

C1078-TIRE REVOLUTIONS RANGE PERFORMANCE (EBC125)

For a complete wiring diagram Refer to Diagram/Electrical. Electrical Diagrams

- When Monitored:

With the ignition on.

- Set Condition:

The DTC will set if the stored tire size is out of range.





Diagnostic Test

1. DTC CONDITION IS PRESENT

Turn the ignition on.

Observe the ABS Warning Indicator.

Is the ABS Warning Indicator Flashing?

Yes

- Go To 2

No

- Go To 3

2. INCORRECT TIRES PROGRAMMED INTO ANTI-LOCK BRAKE MODULE

Inspect all four tires on the vehicle and note the size of each tire.

NOTE: A non-production size tire cannot be programmed into the CAB. The production Powertrain, with the production size tires, is the only emissions certified configuration that is available for reprogramming.

Turn the ignition on.

With the scan tool, read the tire size that is programmed into the CAB.

Does the displayed tire size match the actual tire size on the vehicle?

Yes

- Replace the Anti-lock Brake Module. Refer to the symptom *Replacing the Anti-lock Brake Module for additional information.
- Perform ABS Verification ABS Verification Test

No

- Reprogram the tire size. Make sure that the ignition is on throughout the reprogramming procedure.
- Perform ABS Verification ABS Verification Test

3. WIRING HARNESS INSPECTION

Turn the ignition off.

Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.

Visually inspect the related wire harness connectors. Look for broken, bent, pushed out, or corroded terminals.

Refer to any Hotline letters or Technical Service Bulletins that may apply.

Were any problems found?

Yes

- Repair as necessary.
- Perform ABS Verification ABS Verification Test

No

- Test Complete.