B1084

B1084-19-PASSENGER HEATED SEAT - OVER CURRENT

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the engine running.

- Set Condition:
The Body Control Module (BCM) detects a short to battery or overload condition to the passenger seat heating element.





1. TEST FOR INTERMITTENT CONDITION

NOTE: Make sure the battery is fully charged and the charging system is operating properly before proceeding.

1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Turn the ignition off.
4. Start the engine and let it run.
5. 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. Verify seat harness is routed correctly to the BCM. 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. Body Verification Test.

2. CHECK PASSENGER SEAT HEAD DRIVER OUTPUT CIRCUIT FOR A SHORT TO BATTERY
1. Turn the ignition off.
2. Using a 12-volt test light connected to ground, test the Passenger Seat Head Driver Output circuit.

Does the test light illuminate brightly?

Yes

- Repair the Passenger Seat Head Driver Output circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. CHECK FOR BCM MALFUNCTION
1. Using a 12-volt test light connected to 12-volts, test the Passenger Seat Head Driver Output circuit.
2. With the scan tool, actuate the Passenger Heated Seat Relay.

Does the test light illuminate brightly?

Yes

- Replace the Heated Seat Pad. Heater Pad - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Body Control Module (BCM). Body Control Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.