Diagnostic Test

CHECK FOR AN ACTIVE DTC
1. With the scan tool, read Body Control Module (BCM) DTCs and record on the repair order.
2. Record the Environmental Data.
3. With the scan tool, erase DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2.
  No
  - Perform the TESTING FOR INTERMITTENT CONDITIONS procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK FOR ADDITIONAL DTCS
1. With the scan tool, read PCM and RFH DTCs.
  Are there any Vehicle Security related DTCs present?
  
  Yes
  - Perform the appropriate diagnostic test(s).
    PCM DTCs: Refer to DTC INDEX .
    
    RFH DTCs: Refer to DIAGNOSTIC CODE INDEX .
  No
  - Replace the Immobilizer Antenna in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .