AutoCodes – Generic – B1230

B1230 Code - Short In The Sunlight Sensor Circuit

Quick Answer

The Climate Control Unit monitors the Sunlight Sensor. Common causes include Faulty Sunlight Sensor, Sunlight Sensor harness is open or shorted, Sunlight 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: B1230 indicates Short In The Sunlight Sensor Circuit.
Common causes: Common causes include Faulty Sunlight Sensor, Sunlight Sensor harness is open or shorted, Sunlight 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 3,388

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1230 Description

The Climate Control Unit monitors the Sunlight Sensor. The Climate Control Unit sets the OBDII code when the Sunlight Sensor is not to factory specifications.

OBDII Code B1230 - Short In The Sunlight Sensor Circuit - AutoCodes.com — B1230 Code - Short In The Sunlight Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC B1230?

Faulty Sunlight Sensor
Sunlight Sensor harness is open or shorted
Sunlight Sensor circuit poor electrical connection
Faulty Climate Control Unit

How to Fix the DTC B1230?

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 B1230 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 B1230 code?

Need more information on how to fix the B1230 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1230 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1230 Acura — Short In The Sunlight Sensor Circuit
B1230 Honda — Short In The Sunlight Sensor Circuit

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 B1230 Code

1. What are the common symptoms of OBDII code B1230 (Short In The Sunlight Sensor Circuit)?

- The common symptoms include erratic behavior of automatic headlights, inaccurate readings from the ambient light sensor, and the illumination of the "Check Engine" light.

2. What usually causes the OBDII code B1230 to trigger?

- The code is typically triggered by a short circuit in the sunlight sensor circuit, which can be caused by damaged wiring, a faulty sensor, or water intrusion.

3. How can I diagnose a short in the sunlight sensor circuit causing OBDII code B1230?

- To diagnose the issue, you can visually inspect the wiring for any damage, check the sensor for proper operation using a multimeter, and test for continuity in the circuit.

4. Can I still drive my vehicle with the OBDII code B1230 present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure the proper functioning of the automatic headlights and other related systems.

5. Is it possible to repair the short in the sunlight sensor circuit myself?

- Depending on your level of automotive knowledge and experience, you may be able to repair the issue yourself by replacing damaged wiring, repairing connections, or replacing the sunlight sensor.

6. Will resetting the OBDII code B1230 make it go away permanently?

- Simply resetting the code may temporarily make it disappear, but if the underlying issue of the short in the sunlight sensor circuit is not fixed, the code is likely to reappear.

7. How much does it typically cost to repair the OBDII code B1230 issue at a mechanic or dealership?

- The cost of repairing the B1230 code can vary depending on the extent of the damage, but it may range from $100 to $300 for parts and labor.

8. Can extreme weather conditions affect the sunlight sensor circuit and trigger the OBDII code B1230?

- Yes, extreme weather conditions such as excessive heat or moisture can potentially affect the sunlight sensor circuit, leading to a short and triggering the B1230 code.

9. Are there any preventive measures I can take to avoid encountering the OBDII code B1230 in the future?

- Regularly inspecting and maintaining the sunlight sensor circuit, ensuring proper wiring protection, and keeping the sensor clean from debris can help prevent issues that may trigger the B1230 code.

10. Will the OBDII code B1230 impact the overall performance of my vehicle?

- While the B1230 code itself may not directly impact the performance of the vehicle, it can affect the functionality of automatic lighting systems and potentially lead to safety concerns if left unresolved.