Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

OTHER RELATED DTCS
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Were there any fuel system, exhaust sensor, or air handling sensor DTCs present?
  
  Yes
  - If this DTC is present along with any fuel system, exhaust sensor, or air handling system sensor DTCs, repair those DTCs before proceeding.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 2
CHECK THE ENGINE PERFORMANCE
1. Perform the CHECKING ENGINE MISFIRE/RUNS ROUGH/PERFORMANCE TEST diagnostic procedure. Refer to DIAGNOSIS AND TESTING, 6.7L .
  Were any problems found?
  
  Yes
  - Perform the appropriate repair.
  - Perform the DIESEL AFTERTREATMENT VALIDATION - 6.7L procedure. Refer to DIESEL AFTERTREATMENT VALIDATION- 6.7L .
  No
  - Go To 3
EXHAUST TEMPERATURE SENSORS
1. Start the engine.
2. Raise the engine speed to 2500 RPMs for two minutes.
  Do the temperature readings of the Exhaust Temperature Sensors change in value at least 5°F?
  
  Yes
  - Go To 4
  No
  - Replace the Exhaust Temperature Sensor that did not change in value by at least 5°F or is not updating.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
CHECK FOR EXCESSIVE ENGINE OIL BEING INTRODUCED INTO THE AFTERTREATMENT SYSTEM FROM THE ENGINE
1. Remove the turbocharger outlet and inspect for signs of oil, fuel or moisture being introduced into the aftertreatment system from the engine.
  Was engine oil, fuel or moisture found in the turbocharger exhaust outlet?
  
  Yes
  - Locate the cause of possible diesel fuel or engine oil being carried from the engine into the aftertreatment system. Inspect the aftertreatment for possible damage.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 5
CHECK FOR THE DIESEL PARTICULATE FILTER DAMAGED
1. Perform the AFTERTREATMENT INSPECTION GUIDELINE - 6.7L procedure. Refer to DIAGNOSIS AND TESTING, 6.7L .
  Was any internal damage found in the Diesel Particulate Filter?
  
  Yes
  - Replace the Diesel Particulate Filter in accordance with the service information.
  - Perform the DIESEL AFTERTREATMENT VALIDATION - 6.7L procedure. Refer to DIESEL AFTERTREATMENT VALIDATION- 6.7L .
  No
  - Reinstall the exhaust and perform the INTERMITTENT CONDITION - 6.7L. Refer to INTERMITTENT CONDITION - 6.7L .