Solar Radiation Sensor Circuit Open
Table of contents
B1259 SATURN 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 do I fix code B1259 SATURN?
Check 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.
Cost of diagnosing the B1259 SATURN code
The cost of diagnosing the B1259 SATURN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1259 SATURN 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.