Circuit/System Verification

Ignition ON.
Verify that DTC B1370, B1380, or B1441 is not set.
- If any of the DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If none of the DTCs are set
Verify the scan tool body control module Accessory parameter changes between Active and Inactive when turning the ignition ON and OFF.
- If the parameter does not change
  Refer to Vehicle Will Not Change Power Mode .
- Go to next step: If the parameter changes
Verify all available keyless entry transmitters are correct for the vehicle. This can be accomplished by comparing the part number that is laser etched on the transmitter to the part number listed in the parts catalog.
- If a transmitter is not correct
  Replace the transmitter.
- Go to next step: If all transmitter are correct
Remove the battery from each of the available keyless entry transmitters.
Verify that DTC B3055 does not set while attempting to start the vehicle which each available keyless entry transmitter. To start the vehicle with the transmitter battery removed, the transmitter must be placed in the transmitter pocket/slot.
- If DTC B3055 sets when attempting to start the vehicle with only one of the available transmitters
  Replace the appropriate transmitter.
- If DTC B3055 sets when attempting to start the vehicle with all of the available transmitters
  Replace the K89 Immobilizer Control Module.
- Go to next step: If DTC B3055 does not set
All OK.