Diagnostic Test

VERIFY THAT DTC B2201-CALIBRATION MISMATCH IS ACTIVE
NOTE:
Make sure the battery is fully charged.
1. Turn the ignition on.
2. With the scan tool, read ORC DTC.
  Does the scan tool display active B2201-CALIBRATION MISMATCH DTC?
  
  Yes
  - Go To 2
  No
  - Test Complete.
CHECK VIN IN PCM
1. With the scan tool compare the VIN that is programmed into the PCM to the VIN stored in the ORC.
  Does the VIN programmed into the PCM match the VIN stored in the ORC?
  
  Yes
  
  WARNING:
  Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
  
  WARNING:
  If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to follow these instructions may result in possible serious or fatal injury.
  - Replace the ORC in accordance with the service information. Refer to MODULE, OCCUPANT RESTRAINT CONTROLLER .
  - Perform the AIRBAG SYSTEM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace and program the Powertrain Control Module in accordance with the service information. Ensure the PCM is replaced with the correct vehicle line PCM. Refer to MODULE, POWERTRAIN CONTROL [EHD, ERB] or MODULE, POWERTRAIN CONTROL, 2.8L DIESEL [ENS] for procedures.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to the appropriate Testing & Diagnostics article under Engine Performance .