Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
NOTE:
If there are Mass Airflow Sensor and Turbocharger DTCs present with this DTC, repair the (F348) 12-volt Supply circuit for an open or short to ground condition.
1. Turn the ignition on.
2. With the scan tool, record all Freeze frame data.
3. With the scan tool, erase DTCs.
4. Turn the ignition off for 75 seconds.
5. Start the engine and let idle.
6. With the scan tool, read DTCs.
  Did the DTC reset?
  
  Yes
  - Go To 2.
  No
  - Perform the INTERMITTENT CONDITION - 6.7L diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .
CHECK THE (K672) AIR INTAKE THROTTLE SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND

Fig 1: Checking Air Intake Throttle Sensor Signal Circuit For Short To Ground
Courtesy of CHRYSLER LLC
1. Ignition on.
2. Disconnect the EGR Airflow Control Valve harness connector.
3. Disconnect the PCM C1 harness connector.
4. Measure the resistance of the (K672) Air Intake Throttle Sensor Signal circuit at the EGR Airflow Control Valve harness connector.
  Is the resistance below 10k Ohms?
  
  Yes
  - Repair the (K672) Air Intake Throttle Sensor Signal circuit for a short to ground.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 3.
EGR AIRFLOW CONTROL VALVE
1. Replace the EGR Airflow Control Valve.
2. Reconnect the EGR Airflow Control Valve harness connector.
3. Reconnect the PCM C1 harness connector.
4. Turn the ignition on.
5. With the scan tool, erase DTCs.
6. Turn the ignition off for 75 seconds.
7. Start the engine and let idle.
8. With the scan tool, read DTCs.
  Did the DTC reset?
  
  Yes
  - Replace Powertrain Control Module in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Repair complete.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .