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.

CHECK FOR AN ACTIVE DTC
NOTE:
If there are any communication related DTCs active, perform those diagnostics before continuing with this diagnostic tree.

NOTE:
If there are any Turbocharger Speed Sensor, Position, or Control circuit related DTCs active, perform those diagnostics before continuing with this diagnostic tree.
1. Turn the ignition on.
2. With the scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION - DIESEL diagnostic procedure. Refer to INTERMITTENT CONDITION .
ELECTRONIC TURBO ACTUATOR
NOTE:
It is important to drain engine coolant before Electronic Turbo Actuator removal.
1. Remove the Electronic Turbo Actuator from the turbocharger.
2. Inspect Electronic Turbo Actuator for a broken drive gear.
  Is the VGT actuator drive gear broken/damaged?
  
  Yes
  - Replace the Electronic Turbo Actuator in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3
TURBOCHARGER
1. Inspect the sector gear on the turbocharger for damage or broken teeth.
2. Move the sector gear lever on the turbocharger bearing housing up and down from stop to stop.
3. Check for smooth movement between the stops.
  NOTE:
  The actuator lever must move evenly and crisply as it is moved.
  
  Does the nozzle slide evenly from stop to stop and are the gear teeth undamaged?
  
  Yes
  - Replace the Electronic Turbo Actuator in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Turbocharger assembly in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .