Diagnostic Test

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

ACTIVE DTC
1. Start the engine.
2. Test drive the vehicle long enough to enter CNG fuel mode. Do not cycle the ignition off after the test drive is completed.
3. With the scan tool, select view DTCs.
  Is the status active or pending for this DTC?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
GASOLINE FUEL INJECTOR RELAY
1. Turn the ignition off.
2. Replace the Gasoline Fuel Injector Relay in accordance with the service information.
3. Turn the ignition on.
4. With the scan tool, erase DTCs.
5. Start the engine.
6. Test drive the vehicle long enough to enter CNG fuel mode. Do not cycle the ignition off after the test drive is completed.
7. With the scan tool, select view DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Powertrain Control Module in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Repair complete.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .