Diagnostic Test

READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN 

1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
   NOTE:

   A front door must remain open whenever checking or erasing Global Telematics Box Module (TBM2) DTCs.

2. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
3. With the scan tool, erase all DTCs.
4. Turn the ignition off for a minimum of 10.0 seconds.
5. Turn the ignition on.
6. Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
7. With the scan tool, read TBM2 DTCs.

Did the DTC return?

Yes 

• Replace the TBM2 Backup Battery in accordance with the Service information. Refer to MODULE, GLOBAL TELEMATICS BOX, REMOVAL AND INSTALLATION .
• Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

No 

• Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .