Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

CNG TANK PRESSURE SENSOR
1. Start the engine.
2. With the scan tool, navigate to Systems Tests and select Forced CNG mode.
3. With the scan tool, select view DTCs.
  Is the DTC active or pending?
  
  Yes
  - Replace the CNG Tank Pressure Sensor in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .
POWERTRAIN CONTROL MODULE
1. Start the engine.
2. With the scan tool, navigate to Systems Tests and select Forced CNG mode.
3. 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 STANDARD PROCEDURE .
  No
  - Test complete.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .