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
1. Ignition on, engine not running.
2. With the scan tool, erase DTCs in the PCM.
3. Monitor the scan tool for at least two minutes.
4. Cycle the ignition key off and on several times, leaving the ignition on for at least 10 seconds at a time.
5. 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 (G224) EOT SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE
1. Turn the ignition off.
2. Disconnect the EOT Sensor harness connector.
3. Turn the ignition on.
4. Measure the voltage on the (G224) EOT Signal circuit at the EOT Sensor harness connector.
  Is the voltage above 5.2 Volts?
  
  Yes
  - Go To 3
  No
  - Repair the (G224) Engine Oil Temperature Signal circuit for a short to voltage.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
CHECK THE (G224) EOT SIGNAL CIRCUIT FOR AN OPEN/HIGH RESISTANCE
1. Turn the ignition off.
2. Disconnect the PCM C2 harness connector.
3. Measure the resistance of the (G224) EOT Signal circuit between the EOT Sensor harness connector and the PCM C2 harness connector.
  Is the resistance above 10k Ohms?
  
  Yes
  - Go To 4
  No
  - Repair the (G224) Engine Oil Temperature Signal circuit for an open/high resistance.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
CHECK THE (G924) SENSOR RETURN CIRCUIT FOR AN OPEN/HIGH RESISTANCE
1. Measure the resistance of the (G924) Sensor Return circuit between the EOT Sensor harness connector and the PCM C2 harness connector.
  Is the resistance above 10k Ohms?
  
  Yes
  - Go To 5
  No
  - Repair the (G924) Sensor Return circuit for an open/high resistance.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
POWERTRAIN CONTROL MODULE (PCM)
1. Turn the ignition off.
2. Replace the Engine Oil Temperature Sensor in accordance with the service information.
3. Reconnect the EOT Sensor harness connector.
4. Reconnect the PCM C2 harness connector.
5. Ignition on, engine not running.
6. With the scan tool, erase DTCs in the PCM.
7. Start the engine and let it run for 10 minutes.
8. With the scan tool, select View DTCs.
  Did this DTC become active?
  
  Yes
  - Replace the Powertrain Control Module in accordance with the service information. Refer to REMOVAL .
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  No
  - Repair is complete.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .