Component Testing

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Test the B193B Charge Air Cooler Temperature sensor by varying the sensor temperature while monitoring the air temperature with a thermometer. Compare the readings with the scan tool CAC Temperature Sensor parameter. The values should be within 5%.
- If not within the specified range, replace the B193B Charge Air Cooler Outlet Temperature sensor.