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Home >> Jeep >> 2021 >> Compass Altitude, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> (Radio Frequency (RF Hub) Module) >> Diagnosis And Testing >> B1A71-13 Passive Entry Antenna 1-Circuit Open >> Possible Causes
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Possible Causes

Possible Causes
PASSIVE ENTRY ANTENNA 1 SIGNAL CIRCUIT OPEN
PASSIVE ENTRY ANTENNA 1 RETURN CIRCUIT OPEN
PASSIVE ENTRY ANTENNA 1 SIGNAL CIRCUIT SHORTED TO THE PASSIVE ENTRY ANTENNA 1 RETURN CIRCUIT
PASSIVE ENTRY ANTENNA 1
RADIO FREQUENCY HUB MODULE (RFHM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.  Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .