AutoCodes – Chevrolet – B1258 Chevrolet

B1258 Chevrolet Code - Solar Radiation Sensor Circuit Failure

Quick Answer

Under normal operation, the solar radiation sensor receives a ground through the circuit. Common causes include Faulty Solar Radiation Sensor, Solar Radiation Sensor harness is open or shorted, Solar Radiation Sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B1258 Chevrolet indicates Solar Radiation Sensor Circuit Failure.
Common causes
Common causes include Faulty Solar Radiation Sensor, Solar Radiation Sensor harness is open or shorted, Solar Radiation Sensor circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 1,397
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 29, 2024
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Code 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.
OBDII Code B1258 Chevrolet - Solar Radiation Sensor Circuit Failure - AutoCodes.com
B1258 Chevrolet Code - Solar Radiation Sensor Circuit Failure

What are the Possible Causes of the DTC B1258 Chevrolet?

  • 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 to Fix the DTC B1258 Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1258 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1258 Chevrolet code?

Need more information on how to fix the B1258 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1258 Chevrolet code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1258 Chevrolet Code

1. What are the common symptoms of OBDII code B1258 Chevrolet (Solar Radiation Sensor Circuit Failure)?

- The common symptoms include erratic readings from the solar radiation sensor, inaccurate ambient light detection, and issues with automatic headlights.

2. What are the possible causes of OBDII code B1258 Chevrolet?

- The code B1258 Chevrolet is usually triggered by a malfunction in the solar radiation sensor circuit, which could be caused by wiring issues, a faulty sensor, or a problem with the sensor connector.

3. How can I diagnose the Solar Radiation Sensor Circuit Failure in my Chevrolet?

- To diagnose the issue, you can visually inspect the sensor and its wiring for any visible damage, use a multimeter to test the sensor's output voltage, and check the sensor connector for corrosion or loose connections.

4. Can I repair the Solar Radiation Sensor Circuit Failure myself?

- If you have experience working with automotive electrical systems, you may be able to repair the issue yourself by replacing the faulty sensor or repairing any damaged wiring or connectors.

5. Is it safe to drive my Chevrolet with OBDII code B1258 active?

- While the code B1258 itself may not affect the drivability of your vehicle, it is recommended to address the issue promptly to ensure proper functioning of the solar radiation sensor and related systems.

6. What is the role of the solar radiation sensor in a Chevrolet vehicle?

- The solar radiation sensor measures the intensity of sunlight and helps the vehicle's automatic lighting system adjust the brightness of the headlights and interior lights accordingly.

7. How much does it typically cost to repair OBDII code B1258 Chevrolet at a dealership or repair shop?

- The cost of repairing OBDII code B1258 Chevrolet can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

8. Will resetting the OBDII code B1258 Chevrolet make the issue go away permanently?

- Resetting the code may temporarily clear the error, but if the underlying issue with the solar radiation sensor circuit is not addressed, the code is likely to reappear.

9. Can extreme weather conditions affect the performance of the solar radiation sensor in a Chevrolet?

- Yes, extreme weather conditions such as heavy rain, snow, or intense sunlight can potentially impact the performance of the solar radiation sensor and trigger OBDII code B1258.

10. Is the Solar Radiation Sensor Circuit Failure covered under Chevrolet's warranty?

- Depending on the age and mileage of your Chevrolet vehicle, the solar radiation sensor circuit failure may be covered under the manufacturer's warranty. It is advisable to check with your local dealership for warranty coverage details.

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