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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 617 (5.7L - DTCS P058A To P152A - 1500) >> Diagnosis And Testing >> P05A4-Active Grille Air Shutter 1 Control Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
LIN BUS CIRCUIT SHORTED TO VOLTAGE
HIGH RESISTANCE IN THE ACTIVE GRILL SHUTTER ACTUATOR POWER OR GROUND CIRCUITS
GENERATOR FIELD CONTROL CIRCUIT SHORTED TO VOLTAGE (OVERCHARGING)
GENERATOR
ACTIVE GRILL SHUTTER ACTUATOR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . . 

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