Diagnostic Test

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
NOTE:
If DTCs P0107 or P0108 are present, repair those DTCs before proceeding.

NOTE:
If there are any EGR Valve or EGR Airflow Control Valve DTCs present, repair those DTCs before proceeding.

NOTE:
If customer states that there was an EVIC message "Service Air Filter", or if Freeze Frame Data shows "Air Filter Plugged Error equals ON", replace the Air Filter before continuing.
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 on for 75 seconds.
5. Start the engine and let idle.
6. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
CHECK FOR AN INTAKE AIR SYSTEM LEAK
1. Perform the INTAKE AIR SYSTEM PRESSURE TEST. Refer to INTAKE AIR SYSTEM PRESSURE TEST .
  Where any leaks found?
  
  Yes
  - Repair the leak and perform a Mobile Desoot of the aftertreatment system.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Leave the Air Inlet Tube disconnected. Go To 3
TURBOCHARGER
1. Inspect the impeller gear on the turbocharger for damage or broken teeth.
  Was there any damage found?
  
  Yes
  - Replace the Turbocharger assembly in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 4
CHECK THE EGR AIRFLOW THROTTLE CONTROL VALVE
1. Remove the boot from the EGR Airflow Throttle Control Valve.
2. Using a mirror, look at the butterfly valve on the inside of the EGR Airflow Throttle Control Valve.
3. Start the vehicle, let idle for 10 seconds.
4. Turn the ignition off.
  NOTE:
  If functioning properly the EGR Airflow Throttle Control Valve will cycle closed immediately after the engine is shut down.
  
  Did the EGR Airflow Throttle Control Valve cycle closed immediately after the engine was shut down?
  
  Yes
  - Go To 5
  No
  - Replace the EGR Airflow Throttle Control Valve in accordance with the Service Information. Refer to VALVE, EXHAUST GAS RECIRCULATION (EGR) AIRFLOW CONTROL, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
TEMPERATURE/PRESSURE MAP SENSOR
1. Turn ignition switch on. Wait five seconds after ignition switch is turned on.
2. Using the scan tool, read DTCs
  Is P0106 stored?
  
  Yes
  - Go To 6
  No
  - Replace the Temperature/Pressure MAP Sensor in accordance with the Service Information. Refer to SENSOR, MAP, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
TEMPERATURE/PRESSURE MAP SENSOR
1. Erase the DTC with the scan tool.
2. Start the engine and let it idle for one minute.
3. With the scan tool, monitor the boost pressure reading.
  Does the Boost Pressure Sensor fluctuate slightly, indicating the sensor is not stuck?
  
  Yes
  - Repair complete.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Temperature/Pressure MAP Sensor in accordance with the Service Information. Refer to SENSOR, MAP, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .