FixVault

Possible Causes

Possible Causes 
(F891) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(F891) 5 VOLT SUPPLY CIRCUIT OPEN
(F891) 5 VOLT SUPPLY CIRCUIT SHORTED TO (C18) A/C PRESSURE SIGNAL CIRCUIT
(C918) FCM SENSOR RETURN CIRCUIT OPEN
A/C PRESSURE TRANSDUCER
INTEGRATED POWER MODULE (IPM)
FRONT CONTROL MODULE (FCM)