Diagnostic Test

READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR THE DTC TO RETURN
NOTE:
This diagnostic procedure diagnoses single battery or dual battery systems. Proceed as equipped.
1. With the scan tool, read DTCs in all Electronic Control Units (ECU's) and record on the repair order.
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 Body Control Module (BCM) DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to: TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE OPERATION OF THE 12-VOLT MAIN BATTERY AND AUXILIARY BATTERY (IF EQUIPPED)
NOTE:
This DTC may also set if the 12-volt Main Battery, or Auxiliary Battery, does not operate properly.
1. Check the 12.0 Volt Main Battery, and Auxiliary Battery (if equipped), for proper operation. Refer to: DIAGNOSIS AND TESTING - DUAL BATTERIES 12 VOLT SYSTEM .
  Does the 12-volt Main Battery, and Auxiliary Battery, operate properly?
  
  Yes
  - Go To 3
  No
  - Repair or replace the inoperative Battery (Main or Auxiliary) in accordance with the Service Information. Refer to: BATTERY, REMOVAL AND INSTALLATION and BATTERY, SUPPLEMENTAL, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to: BODY VERIFICATION TEST .
CHECK FOR STARTING, CHARGING OR IGNITION RELATED DTC(S) PRESENT IN THE POWERTRAIN CONTROL MODULE (PCM)
1. Turn the ignition on.
2. With the scan tool, read PCM DTCs and record on the repair order.
  Are there any starting, ignition or charging DTCs in the PCM?
  
  Yes
  - Repair the Powertrain Control Module (PCM) DTCs. Refer to: 3.6L (GPEC 2A) - DIAGNOSTIC CODE INDEX or 3.6L (GPEC 5) - DIAGNOSTIC CODE INDEX .
  No
  - With the scan tool, perform the PCM programming procedure. Refer to: MODULE, POWERTRAIN CONTROL (PCM), MODULE PROGRAMMING .
  - Perform the BODY VERIFICATION TEST. Refer to: BODY VERIFICATION TEST .