FixVault

Possible Causes

Possible Causes 
INTERMITTENT DTC
(G31) AAT SIGNAL CIRCUIT SHORTED TO GROUND
(G31) AAT SIGNAL CIRCUIT SHORTED TO (G931) AAT SENSOR GROUND
(G31) AAT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
AMBIENT AIR TEMPERATURE SENSOR
TOTALLY INTEGRATED POWER MODULE (TIPM)

Perform PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .