Diagnostic Test
WARNING: This page is about a different car, the 2014 RAM 1500. 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.
- Start the engine and test drive the vehicle.
- With the scan tool, View all active DTCs.
Is the DTC Active?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
- CLEAN THE EGR VALVE NOTE:
EGR cleaning is critical to ensure proper valve operation. Failure to properly clean the EGR valve can result in misdiagnosis and unnecessary component replacement.
Reconnect the PCM C1 harness connector.
- Remove and clean the EGR Valve in accordance with the service information.
- Install the EGR valve.
- Turn the ignition on.
- With the scan tool, erase DTCs.
- Turn the ignition off for 75 seconds.
- Test Drive the vehicle.
Did the DTC return?
Yes
- Go To 3
No
- Repair complete.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
- REPLACE THE EGR VALVE
- Replace the EGR Valve in accordance with the service information.
- Turn the ignition on.
- With the scan tool, erase DTCs.
- Turn the ignition off for 75 seconds.
- Test drive the vehicle
- Using the scan tool, monitor for DTCs.
Did the DTC return?
Yes
- Replace the Powertrain Control Module in accordance with the service information. Refer to REMOVAL .
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
No
- Repair complete.
- Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .