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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P1E3A-00 To P2227-00 >> Diagnosis And Testing >> P1E5C-00-Engine Coolant Bypass Valve Control Out Of Range High >> Possible Causes

Possible Causes

Possible Causes
HIGH RESISTANCE IN THE COOLANT BYPASS VALVE CONTROL CIRCUIT
HIGH RESISTANCE IN THE COOLANT BYPASS VALVE GROUND CIRCUIT
COOLANT BYPASS VALVE

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

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