Diagnostic Test

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
NOTE:
Diagnose and repair any Can bus, communication or implausible signal DTCs before proceeding with this test.
1. Start the engine.
2. Allow the engine to reach normal operating temperature.
3. With the scan tool, select View DTCs.
  NOTE:
  It may be necessary to drive the vehicle to meet the conditions to set this DTC, try to repeat the conditions in which the fault originally set by reviewing the Freeze Frame data.
  
  Is the DTC Active or Pending at this time?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
AUXILIARY FUEL LEVEL SENSOR CIRCUIT DTCS SET IN THE BCM
Are any Auxiliary Fuel Level Sensor Circuit DTCs set in the BCM?

Yes
- Diagnose the appropriate Auxiliary Fuel Level Sensor Circuit DTC in the BCM. Refer to DTC INDEX - 2500 HD .
No
- Replace and program the Powertrain Control Module in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .