P1103

P1103-DC TO AC CONVERTER SWITCH STUCK





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

- When Monitored:
With the ignition on.

- Set Condition:
If the Instrument Cluster/Cabin Compartment Node (CCN) senses the Inverter switch input for more than 10 seconds.





1. INSPECT UPPER SWITCH BANK FOR DAMAGE

NOTE: Diagnose and repair all LIN Bus related DTCs before performing this test procedure.

1. Turn the ignition off.
2. Inspect the Upper Switch Bank for damage.

Is the Upper Switch Bank damaged?

Yes

- Replace the Upper Switch Bank.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 2

2. INSPECT FOR OBJECT OR SUBSTANCE CAUSING INVERTER SWITCH TO STAY OR STICK IN APPLIED POSITION
1. Inspect the Inverter switch for anything that would cause it to stay or stick in the applied position.

Is anything present that would cause the Inverter switch to stay or stick in the applied position?

Yes

- Repair as necessary.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Press and release the Inverter switch several times and then wait 10 seconds.
4. Using a scan tool, read DTCs.

Does the scan tool display DTC P1103-DC TO AC CONVERTER SWITCH STUCK?

Yes

- Replace the Upper Switch Bank.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- The conditions that caused this code to set are not present at this time.
- Perform the BODY VERIFICATION TEST. Body Verification Test.