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.

CHECK FOR ACTIVE DTC
NOTE:
If other EGR related DTCs are present and active, repair those DTCs before proceeding.
1. Start the engine and test drive the vehicle.
2. With the scan tool, View all active DTCs.
  Is the DTC Active?
  
  Yes
  - Go To 2.
  No
  - Perform the INTERMITTENT CONDITION - 6.7L diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .
CHECK THE EGR VALVE
1. With the scan tool, Erase DTCs.
2. Turn the ignition off.
3. Remove and clean the EGR valve with Mopar EGR Valve cleaner. Refer to VALVE, Exhaust Gas Recirculation (EGR), 6.7L , Cleaning .
4. Start the engine and test drive the vehicle.
5. With the scan tool, View DTCs.
  Did the DTCs return?
  
  Yes
  - Replace the EGR Valve in accordance with the service information. Refer to VALVE, Exhaust Gas Recirculation (EGR), 6.7L , Removal .
  - 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 .