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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (2.0L - DTCS B1810 To B25C7) >> DTC Troubleshooting >> B1810 Driver Door Ajar Input Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
DRIVER DOOR LATCH AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
DRIVER DOOR LATCH AJAR SWITCH SENSE CIRCUIT SHORTED TO THE DRIVER DOOR LATCH RETURN CIRCUIT
DRIVER DOOR LATCH
BODY CONTROL MODULE (BCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to:  2.0L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .