Diagnostic Test

INCORRECT TIRES PROGRAMMED INTO BCM
1. 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 BCM. The production Powertrain, with the production size tires, is the only emissions certified configuration that is available for reprogramming.
2. Verify the correct Tire/wheel information is programmed in the BCM.
  Is the correct value programmed in the BCM?
  
  Yes
  - Go To 2
  No
  - Program the correct Tire/Wheel information in the BCM.
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
PERFORM ABS MODULE INITIALIZATION
1. Turn the ignition on.
2. With the scan tool, read and record the ABS DTCs.
  NOTE:
  When performing the ABS Initialization routine, the vehicle temperature must be above 10°C (50°F).
3. With the scan tool, under "Miscellaneous Functions" perform the ABS Initialization routine. Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
4. With the scan tool, read the DTCs.
  Does the DTC remain active?
  
  Yes
  - Perform the ABS Module Initialization routine again, if still unsuccessful.
  - Replace the Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Test complete.