Diagnostic Test
- TEST FOR INTERMITTENT CONDITION NOTE:
Make sure the battery is fully charged and the charging system is operating properly before proceeding.
- Turn the ignition on.
- Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
- Turn the ignition off.
- Start the engine and let it run.
- Using a scan tool, read DTCs.
Is the DTC active?
Yes
- Go To 2
No
- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK DRIVER SEAT LED DRIVER OUTPUT CIRCUIT FOR A SHORT TO BATTERY
- Turn the ignition off.
- Using a 12-volt test light connected to ground, test the Driver Seat Head Driver Output circuit.
Does the test light illuminate brightly?
Yes
- Repair the Driver Seat Head Driver Output circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 3
- CHECK FOR BCM MALFUNCTION
- Using a 12-volt test light connected to ground, test the Driver Seat LED Driver Output circuit.
- With the scan tool, actuate the Driver Heated Seat Relay.
Does the test light illuminate brightly?
Yes
- Replace the Heated Seat Switch according to the service information. Refer to OPERATION .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the BCM in accordance with the service information. Refer to REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .