B1261 Cadillac 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 Cadillac 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.
Code B1261 Cadillac Description
What are the Possible Causes of the DTC B1261 Cadillac?
- 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 Cadillac?
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 Cadillac 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.
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Frequently Asked Questions about B1261 Cadillac Code
1. What does the OBDII code B1261 mean on a Cadillac?
B1261 indicates a problem with the solar radiation sensor circuit, specifically a short to ground.
2. What are the symptoms of code B1261 in a Cadillac?
Common symptoms include improper climate control operation, inaccurate cabin temperature regulation, or an illuminated check engine or HVAC warning light.
3. What causes the B1261 code to be triggered?
This code is typically caused by a short in the solar radiation sensor wiring, a faulty solar radiation sensor, or a malfunctioning HVAC control module.
4. Where is the solar radiation sensor located in a Cadillac?
The solar radiation sensor is usually located on the dashboard, near the base of the windshield, to measure sunlight intensity.
5. Can I drive my Cadillac with the B1261 code present?
Yes, the vehicle is drivable, but the climate control system may not function properly, leading to discomfort during extreme weather conditions.
6. How do I diagnose the B1261 code in my Cadillac?
Start by inspecting the wiring and connections to the solar radiation sensor for damage or corrosion. Use a multimeter to check for shorts or open circuits.
7. How do I fix the B1261 code in a Cadillac?
Repairs may involve replacing damaged wiring, repairing loose connections, or replacing a faulty solar radiation sensor.
8. How much does it cost to fix the B1261 code on a Cadillac?
Repair costs can vary, but replacing the solar radiation sensor typically ranges from $100 to $300, including parts and labor.
9. Can a faulty HVAC control module cause the B1261 code?
Yes, a malfunctioning HVAC control module could misinterpret signals from the solar radiation sensor, triggering the code.
10. Do I need special tools to fix the B1261 code on my Cadillac?
Basic tools like a multimeter and a diagnostic scanner are sufficient for troubleshooting and repairing this issue.
Discuss the causes and fixes for B1261 Cadillac OBDII Code
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