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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 2.0L - DTCS B1810-00 To P0111-00 >> DTC Troubleshooting >> B1813-00-Passenger Door Ajar Switch 1 Circuit Low >> Possible Causes

Possible Causes

Possible Causes
PASSENGER DOOR AJAR SWITCH CIRCUIT SHORTED TO GROUND
PASSENGER DOOR AJAR SWITCH CIRCUIT SHORTED TO THE PASSENGER DOOR LOCK RETURN CIRCUIT
PASSENGER FRONT DOOR LATCH ASSEMBLY
BODY CONTROL MODULE

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