Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ACTIVE DTC
NOTE:
If there are any DEF Temperature circuit Low or High DTCs present, perform the Diagnostics on those DTCs before continuing with this one.

NOTE:
If there are any DEF Tank Heater DTCs present, perform the Diagnostics on those DTCs before continuing with this one.
1. Ignition on, engine not running.
2. With the scan tool, erase DTCs in the Powertrain Control Module (PCM).
3. Start the engine and allow to reach operating temperature.
4. Test drive the vehicle during normal operating conditions.
5. With the scan tool, read the PCM DTCs.
  Did this DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
DEF LEVEL/TEMPERATURE SENSOR ASSEMBLY
1. Turn the ignition off.
2. Replace the DEF Level/Temperature Sensor Assembly in accordance with the service information.
3. Turn the ignition on.
4. With the scan tool, erase PCM DTCs.
5. Start the engine and allow to reach operating temperature.
6. Test drive the vehicle during normal operating conditions.
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 the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  No
  - Test complete.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .