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Home >> Jeep >> 2021 >> Compass Altitude, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> (Radio Frequency (RF Hub) Module) >> Diagnosis And Testing >> B1A74-11 Passive Entry Antenna 4-Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
ANOTHER ANTENNA SIGNAL CIRCUIT MAY BE SETTING AN OPEN DTC
PASSIVE ENTRY ANTENNA 4 SIGNAL CIRCUIT SHORTED TO GROUND
PASSIVE ENTRY ANTENNA 4 RETURN CIRCUIT SHORTED TO GROUND
PASSIVE ENTRY ANTENNA 4
RADIO FREQUENCY HUB MODULE (RFHM)

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