AutoCodes – Chevrolet – B1261 Chevrolet

B1261 Chevrolet Code - Solar Radiation Sensor Circuit Short To Ground

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
B1261 Chevrolet indicates Solar Radiation Sensor Circuit Short To Ground.
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 1,419
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 B1261 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 B1261 Chevrolet - Solar Radiation Sensor Circuit Short To Ground - AutoCodes.com
B1261 Chevrolet Code - Solar Radiation Sensor Circuit Short To Ground

What are the Possible Causes of the DTC B1261 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 B1261 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 B1261 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 B1261 Chevrolet code?

Need more information on how to fix the B1261 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1261 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 B1261 Chevrolet Code

1. What are the common symptoms of OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground?

- Common symptoms include inaccurate or erratic readings from the solar radiation sensor, automatic headlights not functioning properly, and potential illumination of the check engine light.

2. What are the possible causes of OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground?

- The code may be triggered by a short circuit in the wiring of the solar radiation sensor, damaged sensor components, or faulty connections in the sensor circuit.

3. How can I diagnose the issue related to OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground?

- You can start by visually inspecting the wiring and connections of the solar radiation sensor. Using a multimeter, you can test the sensor for continuity and check for any short circuits in the circuit.

4. Is it safe to continue driving with OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground?

- It is generally safe to drive with this code, but it is recommended to address the issue promptly to ensure proper functioning of the solar radiation sensor and related systems.

5. Can I repair OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground myself?

- Depending on your skill level and access to tools, you may be able to repair this issue yourself by replacing the damaged wiring, sensor components, or connectors. However, seeking professional help is advisable for complex repairs.

6. Are there any quick fixes or temporary solutions for OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground?

- Quick fixes may include checking and securing the connections to the solar radiation sensor or resetting the fault codes to see if the issue resolves temporarily. However, these are not permanent solutions.

7. How much does it typically cost to repair OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground?

- The cost of repair can vary based on the extent of the damage, parts needed for replacement, and labor charges. It is recommended to obtain quotes from different mechanics or repair shops.

8. Will resetting the fault codes make OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground disappear?

- Resetting the fault codes may temporarily clear the code, but if the underlying issue causing the fault code is not addressed, it is likely to reappear after some time.

9. How important is the solar radiation sensor in the vehicle's operation?

- The solar radiation sensor plays a crucial role in automatic headlight control and other related systems. While not essential for basic vehicle operation, it contributes to safety and convenience features.

10. Can extreme weather conditions affect the solar radiation sensor and trigger OBDII code B1261 (Chevrolet) - Solar Radiation Sensor Circuit Short To Ground?

- Yes, extreme heat or exposure to moisture can potentially damage the sensor components or wiring, leading to faults like short circuits and triggering the B1261 fault code. Regular maintenance and inspection can help prevent such issues.

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