Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

OTHER DTCS PRESENT
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Do you have any other DTC for the Exhaust Temperature Sensors?
  
  Yes
  - Repair the other DTCs before proceeding.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .
  No
  - Go To 2
EXHAUST TEMPERATURE
1. With the scan tool, read the Exhaust Temperature Sensors to determine the exhaust temperature.
  Is the temperature reading above 225°F?
  
  Yes
  - Go To 3
  No
  - Go To 4
EXHAUST TEMPERATURE SENSOR 1/2 AND 1/3
1. Start the engine.
2. Raise the engine speed to 2500 RPM's for two minutes.
  Do the temperature readings of Exhaust Temperature Sensor 1/2 and Exhaust Temperature Sensor 1/3 change in value at least 5°F?
  
  Yes
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .
  No
  - Replace the Exhaust Temperature Sensor that did not change in value by at least 5°F or is not updating.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .
EXHAUST TEMPERATURE SENSOR 1/2 AND 1/3
1. Start the engine and allow it to idle for 10 minutes.
2. With the scan tool, read the values of Exhaust Temperature Sensor 1/2 and Exhaust Temperature Sensor 1/3.
  Do both temperature sensors read above 150°F and are the values of both temperature sensors updating?
  
  Yes
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .
  No
  - Replace the Exhaust Temperature Sensor that is not above 150°F or is not updating on the scan tool.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .