Diagnostic Test
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT SWITCH BANK FOR DAMAGE NOTE:
Diagnose and repair all LIN Bus related DTCs before performing this test procedure.
- Turn the ignition off.
- Inspect the Switch Bank for damage.
Is the Switch Bank damaged?
Yes
- Replace the Switch Bank in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 2.
- INSPECT FOR OBJECT OR SUBSTANCE CAUSING INVERTER SWITCH TO STAY OR STICK IN A PUSHED POSITION
- Inspect the Inverter switch for anything that would cause it to stay or stick in a pushed position.
Is anything present that would cause the Inverter switch to stay or stick in a pushed position?
Yes
- Repair as necessary.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 3.
- Inspect the Inverter switch for anything that would cause it to stay or stick in a pushed position.
- TEST FOR INTERMITTENT CONDITION
- Turn the ignition on.
- Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
- Press and release the Inverter switch several times and then wait 20 seconds.
- Using a scan tool, read DTCs.
Does the scan tool display DTC P1103-DC TO AC CONVERTER SWITCH STUCK?
Yes
- Replace the Switch Bank in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .