Diagnostic Test

CHECK THE POWERTRAIN CONTROL MODULE (PCM) FOR CHARGING SYSTEM DTCS
NOTE:
This DTC is a CAN system message for information only. For additional information refer to the COMMUNICATION article when diagnosing CAN system DTCs. Refer to COMMUNICATION, OPERATION .
1. With the scan tool, read PCM DTCs and record on the repair order.
  Are there any Charging or Battery related DTCs set in the PCM?
  
  Yes
  - Repair the DTC(s) set in the PCM. Refer to DTC INDEX .
  No
  - Go To 2
CHECK OTHER MODULES FOR LOW VOLTAGE RELATED DTCS
1. With the scan tool, check DTCs in all other modules.
  Are there any other modules reporting low system voltage DTCs?
  
  Yes
  - Perform the appropriate diagnostic procedure for the low system voltage DTC(s).
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK BATTERY AND CHARGING SYSTEM
1. Check Battery for proper State of Charge (SOC) and Charging System for proper operation. Refer to DIAGNOSIS AND TESTING .
  Were any problems found?
  
  Yes
  - Go To 4
  No
  - Go To 5
CHECK BATTERY AND CHARGING SYSTEM WITH THE INSTRUMENT PANEL CLUSTER (IPC) FUSE REMOVED
1. Turn the ignition off.
2. Remove the fuse from the PDC that provides power to the IPC.
3. Check Battery for proper State of Charge (SOC) and Charging System for proper operation. Refer to DIAGNOSIS AND TESTING .
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Before proceeding, verify that the fuse from the PDC that provides power to the IPC is properly installed.
  - Go To 5
CHECK FOR APPLICABLE SERVICE BULLETINS
1. With a scan tool, check all electronic control Modules for software updates that are related to the customer concern.
2. Check for any Service Bulletins that could be related to the customer concern.
  Were any software updates or service bulletins applicable to the customer concern?
  
  Yes
  - Perform the service procedure as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 6
CHECK FOR IMPROPERLY INSTALLED AFTERMARKET ACCESSORIES
1. Check aftermarket accessories for proper installation. (Check for improper electrical connections and fasteners that may be contacting wire harnesses.)
  Were any problems found?
  
  Yes
  - Repair any conditions that are found.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 7
CHECK RELATED COMPONENTS AND WIRING FOR COLLISION RELATED DAMAGE
1. Check related components and wire harnesses for collision related damage.
  Were any problems found?
  
  Yes
  - Repair any conditions that are found.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 8
CHECK RELATED WIRING AND HARNESS CONNECTIONS
1. Turn the ignition off.
2. Check the related component and module power supply and ground circuits.
3. Disconnect harness connectors.
4. Disconnect all related in-line harness connections (if equipped).
5. Disconnect the related component harness connectors.
6. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Perform a terminal drag test on each connector terminal to verify proper terminal tension.
  Were any problems found?
  
  Yes
  - Repair any conditions that are found.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 9
RECONNECT ALL HARNESS CONNECTORS AND CHECK FOR ACTIVE DTCS
1. Reconnect all harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
2. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
3. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
4. With the scan tool, erase DTCs.
5. Using the recorded information along with the When Monitored and Set Conditions, operate the vehicle within the conditions that set the DTC.
6. With the scan tool, read IPC DTCs.
  Did the DTC return?
  
  Yes
  - Replace the IPC in accordance with the Service Information. Refer to MODULE, INSTRUMENT PANEL CLUSTER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  - Test complete.