Where is temperature sensor for 2003 cts?

In the 2003 Cadillac CTS, the temperature sensor is typically located near the thermostat housing or in the engine coolant passages. It monitors the coolant temperature and sends this information to the engine control module (ECM) for optimal performance. To access it, you may need to remove components in the engine bay for better visibility. Always consult the vehicle's service manual for specific details and proper procedures.