B1258 CHEVROLET – Solar Radiation Sensor Circuit Failure

B1258 CHEVROLET Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B1258 CHEVROLET Possible Causes

Faulty Solar Radiation Sensor,Solar Radiation Sensor harness is open or shorted,Solar Radiation Sensor circuit poor electrical connection,Faulty Electronic Automatic Temperature Control (EATC) Module

B1258 CHEVROLET Description

Under normal operation, the solar radiation sensor receives a ground through the circuit. A 5-volt reference voltage is supplied to the solar radiation sensor from the Electronic Automatic Temperature Control (EATC) Module through. The EATC Module monitors the Solar Radiation Sensor. The EATC Module sets the OBDII code when the Solar Radiation Sensor is not to factory specifications.