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Service light comes on randomly and then engine fan

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  • Service light comes on randomly and then engine fan

    Reckon it could be this but you need to get the fault code read. If it is as below looks like thermostat housing needs replacing.

    If code is P0597 then this is thermostat heater open circuit

    Customer complains SVS light illuminates. In some cases the cooling fan runs permanently. P0597 is stored in the engine control module.

    This is caused by poor contact of the heating element of the thermostat.

    In case of customer please replace the thermostat housing:
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