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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1349 (Body Control Module (BCM) - DTCS U1411-09 To U1990-83) >> DTC Troubleshooting >> U1440-87-DSBM (Door Switch Bank Module)-Missing Message >> Possible Causes

Possible Causes

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Possible Causes
IGNITION FEED CIRCUIT OPEN OR SHORTED TO GROUND
GROUND CIRCUIT OPEN
LIN BUS 3 CIRCUIT OPEN
DOOR SWITCH BANK MODULE (DSBM)

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