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 DTCS
1. Ignition on, engine not running.
2. With the scan tool check for active DTCs.
  Are any of the P22A7, P20BE, P229F, U029E, U059F DTCs active?
  
  Yes
  - Repair the other active DTCs before continuing with this diagnostic procedure.
  No
  - Go To 2.
CHECK FOR DEPOSITS IN THE DECOMPOSITION TUBE
1. Turn the ignition off.
2. Remove the DEF Injector from the Decomp Tube. Refer to INJECTOR, Diesel Exhaust Fluid , Removal .
3. Visually inspect the Decomp Tube for diesel exhaust fluid deposits.
  Were any deposits found?
  
  Yes
  - Clean the deposits from the Decomp Tube. Use a non-metallic abrasive pad to clean the remaining small particles from the decomp tube.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 3.
CHECK THE EXHAUST SYSTEM FOR LEAKS
1. Visually inspect the entire exhaust system for signs of a leak.
  Were any exhaust leaks found?
  
  Yes
  - Perform the appropriate repair.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 4.
CHECK FOR CYLINDER MISFIRE
1. Start the engine.
2. With the scan tool, navigate to Systems Tests, and perform the Injector Kill system test.
  Were any cylinders found to be faulty or low?
  
  Yes
  - Perform the CHECKING ENGINE MISFIRE / RUNS ROUGH / PERFORMANCE TEST diagnostic procedure. Refer to Diagnosis and Testing , 6.7L .
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 5.
CHECK FOR EXCESSIVE ENGINE OIL BEING INTRODUCED INTO THE AFTERTREATMENT SYSTEM
1. Turn the ignition off.
2. 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 exhaust system. Inspect the SCR Catalyst for possible damage.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 6.
CHECK THE EGR SYSTEM FOR LEAKS
1. Visually inspect the entire EGR system for signs soot indicating a leak.
  Is there signs of an EGR system leak?
  
  Yes
  - Repair the EGR system leak in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Replace the NOx Sensor 1/2 in accordance with the service information. Refer to SENSOR, NOx , Removal .
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .