Operation CHARM: Car repair manuals for everyone.

Resolver Learn






STANDARD PROCEDURE - RESOLVER LEARN

RESOLVER OFFSET LEARN TRIGGER EVT AHS-T TRANSMISSION

The Resolver Offset Learn Trigger Procedure requires the use of a scan tool.

This program allows the electronic variable transmission (EVT) AHS-T to re-calibrate itself. This will provide the proper transmission operation. The resolver offset learn procedure should be performed if any of the following procedures are performed:

- Transmission Assembly Replacement
- Transmission Electronic Hydraulic Control Module (TEHCM) Replacement
- Flashing the TCM
- Electric Motors Replacement
- Valve Body Replacement or Recondition

To perform the Resolver Offset Learn Trigger Procedure, the following conditions must be met:

- The brakes must be applied
- The engine speed must be above 500 rpm
- The shift lever position must stay in PARK until prompted to shift.
- The calculated oil temperature must be above 15° C (60° F) and below 93° C (200° F)