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Home >> Jeep >> 2013 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Passive Entry Module (PEM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1A71-01-Passive Entry Antenna 1 - General Electrical Failure >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(D920) PASSIVE ENTRY ANTENNA 1 SIGNAL CIRCUIT SHORTED TO GROUND
(D920) PASSIVE ENTRY ANTENNA 1 SIGNAL CIRCUIT SHORTED TO VOLTAGE
(D921) PASSIVE ENTRY ANTENNA 1 RETURN CIRCUIT OPEN
(D920) PASSIVE ENTRY ANTENNA 1 SIGNAL CIRCUIT OPEN
(D920) PASSIVE ENTRY ANTENNA 1 SIGNAL CIRCUIT SHORTED TO THE (D921) PASSIVE ENTRY ANTENNA 1 RETURN CIRCUIT
ANTENNA 1
PASSIVE ENTRY MODULE (PEM)