B1258 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
How is the B1258 code repair?
Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.What is the cost to diagnose the B1258 code
Labor: 1.0
The cost to diagnose the B1258 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1258 Meaning
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.More Information
Need more information on how to fix the B1258 code?Get Access to Factory Service Manuals
Information for specific makes
- B1258 BUICK Solar Radiation Sensor Circuit Failure
- B1258 CADILLAC Solar Radiation Sensor Circuit Failure
- B1258 CHEVROLET Solar Radiation Sensor Circuit Failure
- B1258 FORD Solar Radiation Sensor Circuit Failure
- B1258 GMC Solar Radiation Sensor Circuit Failure
- B1258 LINCOLN Solar Radiation Sensor Circuit Failure
- B1258 MERCURY Solar Radiation Sensor Circuit Failure