Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

OTHER DTCS
1. Turn the ignition on.
2. With the scan tool, read and record the freeze frame data.
3. With the scan tool, read the Engine DTCs.
  Are there any DTCs set for the Turbocharger system, BARO Sensor, Boost Pressure Sensor, or Manifold Pressure Sensor?
  
  Yes
  - Repair other DTCs before proceeding.
  No
  - Go To 2
CHECK THE AIR CLEANER BOX FOR PROPER SEALING
1. Check the Air Cleaner Box for being cracked, out of position, lid not secured, or other damage. Also, check the connection between the Inlet Air Tube and the Air Cleaner Box to make sure that it is sealed properly.
  Is the Air Cleaner Box free of damage and the Inlet Air Tube installed and sealed properly?
  
  Yes
  - Go To 3
  No
  - Repair or replace the Air Cleaner Box (as needed) and/or repair the connection between the Air Cleaner Box and the Inlet Air Tube.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
CHECK THE BOOST PRESSURE SENSOR
1. Turn the ignition off.
2. Connect a mechanical intake manifold pressure gauge to the engine.
3. Start the engine.
4. With the scan tool, monitor the Boost Pressure Sensor reading.
  Is the scan tool reading within 2.5 psi of the mechanical intake manifold pressure gauge?
  
  Yes
  - Go To 4
  No
  - Replace the Temperature/Pressure MAP Sensor in accordance with the Service Information. Refer to SENSOR, TMAP-INTAKE MANIFOLD, REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
CHECK THE INTAKE SYSTEM FOR LEAKS OR RESTRICTIONS
1. Perform the INTAKE AIR SYSTEM PRESSURE TEST diagnostic procedure. Refer to DIAGNOSIS AND TESTING, 6.7L .
  Were any Intake System leaks or restrictions found?
  
  Yes
  - Perform the appropriate repair.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 5
CHECK THE CHARGE AIR COOLER
1. Remove and clean the Charge Air Cooler with approved Mopar® EGR system cleaner.
2. Reinstall the Charge Air Cooler.
3. With the scan tool, erase DTCs.
4. Turn the ignition off for 75 seconds.
5. Start the engine.
6. Test drive the vehicle. With the scan tool in Data Display, verify that the engine operating mode is normal.
7. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Charge Air Cooler in accordance with the service information. Refer to COOLER AND HOSES, CHARGE AIR, REMOVAL, 6.7L .
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Repair complete.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .