P099A – Shift Solenoid ‘G’ Control Circuit Range/Performance

P099A Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P099A Possible Causes

Faulty Shift Solenoid ‘G’,Shift Solenoid ‘G’ harness is open or shorted,Shift Solenoid ‘G’ circuit poor electrical connection

P099A Description

The Transmission Control Module (TCM) monitors the Shift Solenoid signal. The TCM sets the OBDII code when the Shift Solenoid is not to factory specifications.