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Home >> Jeep >> 2019 >> Compass Trailhawk >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS B1805-11 To B23BF-2A >> DTC Troubleshooting >> B1A7E-56-Key Programming-Invalid-Incompatible Configuration >> Possible Causes

Possible Causes

Possible Causes
POWERTRAIN CONTROL MODULE (PCM) DTCS
RADIO FREQUENCY HUB (RFH) DTCS
IMMOBILIZER ANTENNA

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

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