Diagnostic Aids
WARNING: This page is about a different variant/trim than selected.
- The Auxiliary Transmission Fluid Pump Relay can be controlled using a Scan Tool. This feature is located in the HPCM Output Controls on the scan tool.
- Inspect for restricted Auxiliary Transmission Fluid Pump pickup filter.
- Inspect for leaking at the Auxiliary Transmission Fluid Pump mounting surface.
- Inspect charging system and battery voltage for correct operation.
- Ensure all Engine Idle Off enabling criteria have been met to ensure auxiliary transmission fluid pump operation is possible.
- For an intermittent condition, refer to Testing for Intermittent Conditions and Poor Connections .