Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

OTHER DTCS
1. Turn ignition on.
2. With the scan tool, read DTCs.
  Are there any EGR Airflow Control Valve, Mass Air Flow Sensor, or Intake System leak related DTCs present?
  
  Yes
  - Repair those DTCs before proceeding.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .
  No
  - Go To 2
TURBOCHARGER CLEANING
1. Perform the Turbocharger cleaning procedure. Refer to TURBOCHARGER .
2. With the scan tool, erase DTCs.
3. Turn the ignition off for 75 seconds.
4. Start the engine and test drive the vehicle.
5. With the scan tool. read DTCs.
  Did DTC P226C return?
  
  Yes
  - Replace the Turbocharger in accordance with the service information.
  - Perform the DIESEL AFTERTREATMENT VALIDATION - 6.7L procedure. Refer to STANDARD PROCEDURE .
  No
  - Repair complete.
  - Perform the DIESEL AFTERTREATMENT VALIDATION - 6.7L procedure. Refer to STANDARD PROCEDURE .