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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 2.0L - DTCS P2237-00 To P2AE1-00 >> DTC Troubleshooting >> P257E-00-Engine Hood Switch Circuit Low >> Possible Causes

Possible Causes

Possible Causes
HOOD AJAR SWITCH SENSE CIRCUIT SHORT TO GROUND
HOOD AJAR SWITCH SENSE CIRCUIT SHORT TO SENSOR GROUND CIRCUIT
HOOD AJAR SWITCH
POWERTRAIN CONTROL MODULE (PCM)

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