Theory Of Operation
The Electronic Shift Module (ESM) monitors the internal park switch circuit for electrical failures. If an open circuit, short to ground, or short to voltage is detected, A DTC will set and the Key Lock Solenoid will be disabled.
The Electronic Shift Module (ESM) monitors the internal park switch circuit for electrical failures. If an open circuit, short to ground, or short to voltage is detected, A DTC will set and the Key Lock Solenoid will be disabled.