Diagnostic Test

WARNING: This page is about a different car, the 2016 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
NOTE:
If there are any Charge Air Cooler Temperature DTCs present, perform the Diagnostics for those DTCs before continuing with this one.

NOTE:
If there are any other EGR Temperature Sensor DTCs present, perform the Diagnostics for those DTCs before continuing with this one.
1. Turn the ignition on.
2. With the scan tool, record all Freeze frame data.
3. With the scan tool, erase DTCs.
4. Turn the ignition off for 75 seconds.
5. Start the engine. It may be necessary to test drive the vehicle.
6. With the scan tool, read DTCs.
  Did the DTC reset?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
CHECK THE EGR TEMPERATURE SENSOR
1. Turn the ignition off.
2. Disconnect the EGR Temperature Sensor harness connector.
3. Turn the ignition on.
4. While monitoring the scan tool, connect a jumper between the (K915) Sensor Return circuit and the (K935) EGR Temperature Signal circuit at the EGR Temperature Sensor harness connector.
  Did the P040C DTC set?
  
  Yes
  - Replace the EGR Temperature Sensor in accordance with the service information. Refer to SENSOR, EGR TEMPERATURE .
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  No
  - Replace the Powertrain Control Module in accordance with the service information. Refer to DIESEL, PCM REMOVAL .
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .