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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (5.7L - DTCS P1128 To P1414) >> DTC Troubleshooting >> P1D73-AGS Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
ACTIVE GRILL SHUTTER ACTUATOR POOR ELECTRICAL CONNECTION
ACTIVE GRILL SHUTTER OBSTRUCTED/BINDING
ACTIVE GRILL SHUTTER ACTUATOR LINKAGE DISCONNECTED/BINDING/BROKEN
ACTIVE GRILL SHUTTER ACTUATOR MOUNTING HARDWARE LOOSE OR MISSING
LIN BUS CIRCUIT SHORTED TO GROUND
LIN BUS CIRCUIT OPEN/HIGH RESISTANCE
ACTIVE GRILL SHUTTER FUSED B+ CIRCUIT OPEN
ACTIVE GRILL SHUTTER FUSED B+ CIRCUIT SHORTED TO GROUND
ACTIVE GRILL SHUTTER GROUND CIRCUIT OPEN
ACTIVE GRILL SHUTTER (AGS) ASSEMBLY
POWERTRAIN CONTROL MODULE

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