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Fault code: EMS 4402 SCANIA

Finding the fault code

Enter the fault code System

Fault code:

Coolant temperature

The engine coolant temperature exceeds the limit value.

Fault in coolant pump or coolant temperature sensor.

Engine torque is reduced and yellow engine warning lamp comes on.

Check the coolant pump and coolant temperature sensor with their cable harness and harness-to-harness connectors.