83 - Tire Revs Per Mile Out of Range

TIRE REVS EPR MILE OUT OF RANGE
For a complete wiring diagram, refer to Wiring Diagram Information.

When Monitored
With the ignition on.

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

Possible Causes
- INTERMITTENT TIRE REVOLUTIONS RANGE PERFORMANCE DTC
- INCORRECT TIRE SIZE PROGRAMMED INTO ANTI-LOCK BRAKE MODULE
- ANTI-LOCK BRAKE MODULE

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 Controller Anti-lock Brake in accordance with the Service Information. Refer to the symptom *Replacing the Anti-lock Brake Module. Testing and Inspection
Perform ABS VERIFICATION TEST - VER 1. ABS Verification Test
No >> Reprogram the tire size in accordance with the Service Information. Make sure that the ignition is on throughout the reprogramming procedure.
Perform ABS VERIFICATION TEST - VER 1. 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 Technical Service Bulletins that may apply.

Were any problems found?
Yes >> Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1. ABS Verification Test
No >> Test Complete.