Charge Air Cooler Coolant Temperature Sensor A Circuit Low

Descripción

This code indicates that the charge air cooler coolant temperature sensor is reading a temperature that is too low. The car's computer believes the coolant is colder than it actually is, which can affect engine management.

Pasos de reparación

1. 1 Inspect the wiring and connector at the charge air cooler coolant temperature sensor for damage, corrosion, or loose connections.
2. 2 Check the charge air cooler coolant temperature sensor for proper resistance values using a multimeter and compare to manufacturer specifications.
3. 3 Inspect the charge air cooler coolant system for proper coolant level and flow to ensure the sensor is reading accurately.
4. 4 Check the thermostat in the charge air cooler coolant circuit to verify it is opening and closing properly and is not stuck open.
5. 5 Replace the charge air cooler coolant temperature sensor if resistance values are out of specification.
6. 6 Repair or replace any damaged wiring or connectors in the charge air cooler coolant temperature sensor circuit.
7. 7 Replace the charge air cooler system thermostat if it is stuck open or not functioning correctly.
8. 8 Have the engine control module (ECM) tested and reprogrammed or replaced if all other components test normal.

Diagnóstico y costo