Diagnostic Test
WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
- DTC IS ACTIVE
- Ignition on, engine not running.
- With the scan tool, erase DTCs in the PCM.
- Start the engine.
- Monitor the scan tool for at least two minutes.
- With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
- CHECK THE (G6) OIL PRESSURE SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Disconnect the Oil Pressure Switch harness connector.
- Disconnect the PCM C2 harness connector.
- Measure the resistance between ground and the (G6) Oil Pressure Switch Signal circuit at the Oil Pressure Switch harness connector.
Does the resistance measure above 10k Ohms?
Yes
- Repair the (G6) Oil Pressure Switch Signal circuit for a short to ground.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Go To 3
- CHECK THE (G6) OIL PRESSURE SWITCH SIGNAL FOR AN OPEN/HIGH RESISTANCE
- Measure the resistance of the (G6) Oil Pressure Switch Signal between the Oil Pressure Switch harness connector and the PCM C2 harness connector.
Is the resistance below 5.0 Ohms?
Yes
- Go To 4
No
- Repair the (G6) Oil Pressure Switch Signal for an open or high resistance.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
- Measure the resistance of the (G6) Oil Pressure Switch Signal between the Oil Pressure Switch harness connector and the PCM C2 harness connector.
- OIL PRESSURE SWITCH
- Replace the Oil Pressure Switch in accordance with the service information.
- Reconnect the PCM C2 harness connector.
- With the scan tool, erase DTCs in the PCM.
- Start the engine.
- Monitor the scan tool for at least two minutes.
- With the scan tool, select View DTCs.
Did the DTC return?
Yes
- Go To 5
No
- Repair complete.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
- POWERTRAIN CONTROL MODULE
- Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Oil Pressure Switch and the Powertrain Control Module (PCM).
- Look for any chafed, pierced, pinched, or partially broken wires.
- Look for broken, bent, pushed out or corroded terminals.
- Perform any Technical Service Bulletins that may apply.
Were any problems found?
Yes
- Repair as necessary.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Replace the Powertrain Control Module (PCM) in accordance with the service information. Refer to REMOVAL .
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .