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.
- OTHER EGR VALVE DTCS PRESENT
- Ignition on, engine not running.
- With the scan tool, read DTCs.
Are there any EGR circuit DTCs present?
Yes
- Repair the other EGR Valve DTCs before proceeding.
No
- Remove and clean the EGR Valve with Mopar EGR system cleaner. Refer to Turbocharger System , Cleaning , 6.7L .
- Go To 2.
- EGR VALVE
- Ignition on, engine not running.
- With the scan tool, erase DTC.
- Test drive the vehicle.
- With the scan tool, read DTCs.
Did DTC P0489 return?
Yes
- Replace the EGR Valve in accordance with the service information.
- Perform the DIESEL AFTERTREATMENT VALIDATION 6.7L procedure. Refer to DIESEL AFTERTREATMENT VALIDATION- 6.7L .
No
- Repair complete.
- Perform the DIESEL AFTERTREATMENT VALIDATION 6.7L procedure. Refer to DIESEL AFTERTREATMENT VALIDATION- 6.7L .