P01F8 Atención pronto
Engine Coolant Heater A Control Circuit Driver Current/Temperature Too High
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Descripción
This code relates to the heater circuit for an engine coolant temperature sensor. It means the control system for the heater is experiencing an issue, possibly due to excessive current or temperature.
Causas comunes
- Faulty engine coolant temperature sensor
- Wiring issue to the sensor's heater circuit
- Problem with the engine control module (ECM)
- Short circuit in the heater circuit
Síntomas
- Check Engine light is on
- Inaccurate engine temperature readings
- Poor fuel economy
- Potential starting issues in cold weather