FixVault

Possible Causes

Possible Causes
AAT SIGNAL CIRCUIT SHORTED TO VOLTAGE
AAT SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
AAT SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
AMBIENT AIR TEMPERATURE (AAT) SENSOR
BODY CONTROL MODULE (BCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .