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.

DTC ACTIVE
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 for one minute.
6. With the scan tool, read DTCs.
  Is DTC P02E1 active?
  
  Yes
  - Go To 2.
  No
  - Perform the INTERMITTENT CONDITION - 6.7L diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .
CHECK THE (K674) EGR AIRFLOW CONTROL VALVE (-) CIRCUIT FOR HIGH RESISTANCE

Fig 1: Checking EGR Airflow Control Valve (-) Circuit For Open Or High Resistance
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the EGR Airflow Control Valve harness connector.
3. Disconnect the PCM C1 harness connector.
  NOTE:
  Check connectors - Clean/repair as necessary.
4. Measure the resistance of the (K674) EGR Airflow Control Valve (-) circuit between the EGR Airflow Control Valve harness connector and the PCM C1 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 3.
  No
  - Repair the (K674) EGR Airflow Control Valve (-) circuit for an open or high resistance.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
CHECK THE (K673) EGR AIRFLOW CONTROL VALVE (+) CIRCUIT FOR HIGH RESISTANCE

Fig 2: Checking EGR Airflow Control Valve (+) Circuit For Open Or High Resistance
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (K673) EGR Airflow Control Valve (+) circuit between the EGR Airflow Control Valve harness connector and the PCM C1 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 4.
  No
  - Repair the (K673) EGR Airflow Control Valve (+) circuit for an open or high resistance.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
EGR AIRFLOW CONTROL VALVE
1. Turn the ignition off.
2. Reconnect the PCM C1 harness connector.
3. Ignition on, engine not running.
4. Using a voltmeter connected to ground, measure the voltage on the:
  - (K673) EGR Airflow Control Valve (+) circuit at the EGR Airflow Control Valve harness connector.
  - (K674) EGR Airflow Control Valve (-) circuit at the EGR Airflow Control Valve harness connector.
  NOTE:
  The voltage on the control circuits should read approximately battery voltage.
  
  Are both measurements equal to battery voltage?
  
  Yes
  - Replace the EGR Airflow Control Valve in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Replace the Powertrain Control Module in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .