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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P2237-00 To P2AE1-00 >> DTC Troubleshooting >> P2557-00-Engine Coolant Level Sensor/Switch Circuit Range/Performance >> Possible Causes

Possible Causes

Possible Causes
HIGH RESISTANCE IN THE FUSED ASD RELAY OUTPUT CIRCUIT
HIGH RESISTANCE IN THE COOLANT LEVEL SENSOR SIGNAL CIRCUIT
COOLANT LEVEL SENSOR

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

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