Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- Operate the 115 Volt AC Outlet switch several times.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 2
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 STANDARD PROCEDURE .
- CHECK THE (P807) INVERTER SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Disconnect the BCM F harness connector.
- Disconnect the Power Inverter Module harness connector.
- Measure the resistance between ground and the (P807) Inverter Switch Signal circuit at the Power Inverter Module harness connector.
Is the resistance above 10k Ohms?
Yes
- Go To 3
No
- Repair the short to ground in the (P807) Inverter Switch Signal circuit.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK (P807) INVERTER SWITCH SIGNAL CIRCUIT FUNCTION
- Turn the ignition off.
- Reconnect the BCM F harness connector.
- Turn the ignition on.
- Using a 12-volt test light connected to ground, check the (P807) Inverter Switch Signal circuit at the Power Inverter Module harness connector.
- With the scan tool, actuate the Inverter Enable Relay.
Does the test light illuminate?
Yes
- Replace the Power Inverter Module in accordance with the Service Information. Refer to MODULE, POWER INVERTER, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .