Diagnostic Test

VERIFY THE DTC IS ACTIVE
NOTE:
Make sure the IOD fuse is installed and battery Voltage is between 10 and 16 Volts before proceeding.
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Is the DTC active at this time?
  
  Yes
  - Go To
    Refer to 2.
  No
  - Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
1. With the scan tool, read all active DTCs. from all modules.
  NOTE:
  Check for TIPM configuration, CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.
  
  Does the scan tool display any active DTCs. to the conditions listed above?
  
  Yes
  - Perform the appropriate diagnostic procedure.
  No
  - Go To 3
VERIFY THAT THE TIPM IS ACTIVE ON THE BUS
1. Turn the ignition on.
2. With the scan tool, select Network Diagnostics.
3. Verify that the TIPM is active on the bus.
  Is the TIPM active on the bus?
  
  Yes
  - Go To 4
  No
  - Refer to the no response test procedure. Refer to NO RESPONSE FROM TIPM (TOTALLY INTEGRATED POWER MODULE) .
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
1. With the scan tool, select Network Diagnostics.
  Is there more than one module with active DTCs "Logged Against" the TIPM?
  
  Yes
  - Replace/update the Totally Integrated Power Module in accordance with the Service Information. Refer to MODULE, TOTALLY INTEGRATED POWER (TIPM), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the Transmission Control Module (TCM) in accordance with the Service Information. Refer to MODULE, TRANSMISSION CONTROL (TCM), REMOVAL .
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to NAG1 TRANSMISSION VERIFICATION TEST .