K 1500 Truck 4WD V8-379 6.2L DSL VIN J FI (1992)
Force Motor Diagnostic Chart
Test Description:
Number(s) below refer to circled number(s) on the diagnostic chart.
1. Checks the ability of the PCM/TCM to command the force motor.
2. Checks for voltage at PCM/TCM.
3. Checks internal transmission harness and force motor for low resistance.