Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

DTC IS ACTIVE
NOTE:
If P2633, P2634, or P2636 DTCs are present, perform the Diagnostics for those DTCs before continuing with this one.

NOTE:
If P2066, P2067, or P2068 DTCs are present, perform the Diagnostics for those DTCs before continuing with this one.
1. Ignition on, engine not running.
2. With the scan tool, clear DTCs in the PCM.
3. Monitor the scan tool for at least two minutes.
4. With the scan tool, select View DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT DTC diagnostic procedure. Refer to INTERMITTENT CONDITION - 6.7L .
CHECK FOR FUEL LEAKS
1. Turn the ignition off.
2. Visually inspect the transfer hose between the Auxiliary Fuel Tank and the Main Fuel Tank for leaks
  Were any leaks found?
  
  Yes
  - Repair as necessary.
  - Perform he POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 3
POWER DISTRIBUTION CENTER
1. Turn the ignition off.
2. Replace the Power Distribution Center in accordance with the service information.
3. Turn the ignition on.
4. With the scan tool, erase PCM DTCs.
5. Perform several ignition key cycles leaving the ignition on for at least 10 seconds per cycle.
6. Start the engine and let it run for two minutes.
7. With the scan tool, read PCM DTCs.
  Does the scan tool display this DTC?
  
  Yes
  - Replace the Powertrain Control Module in accordance with the service information. Refer to REMOVAL .
  - Perform he POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Test complete.
  - Perform he POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .