Charge Air Cooler Coolant Temperature Sensor A Circuit High

Descripción

This code means the charge air cooler coolant temperature sensor is reading a temperature that is too high. The car's computer thinks the coolant is hotter than it really is, which can lead to performance issues and potential overheating.

Pasos de reparación

1. 1 Check the coolant level in the charge air cooler system and top off if low, as insufficient coolant can cause abnormal temperature readings.
2. 2 Inspect the wiring and connector at the charge air cooler coolant temperature sensor for damage, corrosion, loose pins, or disconnection, and repair as needed.
3. 3 Test the charge air cooler coolant temperature sensor with a multimeter to verify it is reading within specification, and replace the sensor if faulty.
4. 4 Inspect the charge air cooler for blockages, debris, or physical damage that could restrict coolant flow, and clean or replace as necessary.
5. 5 Check the charge air cooler coolant pump for proper operation by verifying it is receiving power and circulating coolant, and replace the pump if it has failed.
6. 6 Clear the diagnostic trouble code and test drive the vehicle to confirm the repair; if the code returns, have the engine control module (ECM) tested and reprogrammed or replaced by a qualified technician.

Diagnóstico y costo