Diagnostic Test

VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
1. Using the scan tool, read active DTCs.
  Is this DTC active?
  
  Yes
  - Go to step 2
  No
  - Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the Stored Lost Communication DTCs diagnostic procedure.
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
1. Using the scan tool, read active DTCs from all modules.
  NOTE: Check for TIPM configuration, CAN B or 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
  - Go to and perform the appropriate diagnostic procedure.
  No
  - Go to step 3
VERIFY THE PEM IS ACTIVE ON THE BUS
1. Turn the ignition on.
2. Using the scan tool, select ECU View.
3. Verify the PEM is active on the bus.
  Is the PEM active on the bus?
  
  Yes
  - Go to step 4
  No
  - Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the No Response from PEM diagnostic procedure.
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
1. Using the scan tool, select Network View and select Advanced.
  Is there more than one module with active DTCs "Logged Against" the PEM?
  
  Yes
  - Replace/update the Passive Entry Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace/update the module that set this DTC in accordance with the Service Information.
  - Perform the appropriate verification test for the module being replaced. If there is no verification test for the associated module perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .