AutoCodes – Subaru – B14A1 Subaru

B14A1 Subaru Code - Sunload Sensor Circuit Low/Open

Quick Answer

The Air Condition (A/C) Control Module monitors the Sunload Sensor. Common causes include Faulty Sunload Sensor, Sunload Sensor harness is open or shorted, Sunload Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B14A1 Subaru indicates Sunload Sensor Circuit Low/Open.
Common causes: Common causes include Faulty Sunload Sensor, Sunload Sensor harness is open or shorted, Sunload Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 50,331

How popular is this code, among other codes? Medium

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 15, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B14A1 Subaru Description

The Air Condition (A/C) Control Module monitors the Sunload Sensor. The A/C Control Module sets the OBDII code when the Sunload Sensor is not to factory specifications.

OBDII Code B14A1 Subaru - Sunload Sensor Circuit Low/Open - AutoCodes.com — B14A1 Subaru Code - Sunload Sensor Circuit Low/Open

What does this mean?

What are the Possible Causes of the DTC B14A1 Subaru?

Faulty Sunload Sensor
Sunload Sensor harness is open or shorted
Sunload Sensor circuit poor electrical connection
Faulty Air Condition (A/C) Control Module

How to Fix the DTC B14A1 Subaru?

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 does this mean?

Code Tech Notes

When the sunload sensor check is performed indoors or in the shade, it could be diagnosed as having an open circuit. Always check the sunload sensor in direct sunlight.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B14A1 Subaru 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 B14A1 Subaru code?

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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 B14A1 Subaru Code

1. What are the common symptoms of OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open)?

- Common symptoms include issues with the sunroof operation, automatic climate control system malfunctions, and inaccurate temperature readings inside the vehicle.

2. What are the possible causes of OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open)?

- The code B14A1 can be triggered by a faulty sunload sensor, damaged wiring or connectors in the sunload sensor circuit, or a malfunction in the climate control system.

3. How can I diagnose the OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open)?

- Diagnosis involves using a scan tool to retrieve the code, inspecting the sunload sensor and its wiring for damage, and testing the sensor's resistance and input voltage.

4. Can I drive my Subaru with OBDII code B14A1 (Sunload Sensor Circuit Low/Open)?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent further damage to the climate control system.

5. How can I repair OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open)?

- Repair may involve replacing the sunload sensor, repairing or replacing damaged wiring or connectors, and resetting the fault code with a scan tool after completing the repairs.

6. Are there any DIY tips for fixing OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open)?

- DIY enthusiasts can try checking and cleaning the sensor connections, inspecting for visible damage in the wiring, and ensuring proper power supply to the sunload sensor.

7. Will resetting the OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open) make it go away permanently?

- Resetting the code may clear it temporarily, but if the underlying issue is not fixed, the code is likely to reappear after some time. Addressing the root cause is crucial for a permanent solution.

8. Can extreme weather conditions affect the sunload sensor and trigger OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open)?

- Yes, extreme heat or cold can affect the sunload sensor's accuracy and functionality, potentially leading to the triggering of the B14A1 fault code.

9. Is the OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open) a serious issue?

- While it may not directly affect the drivability of the vehicle, ignoring this code could lead to discomfort from climate control system malfunctions and inaccurate temperature readings.

10. How much does it typically cost to repair OBDII code B14A1 Subaru (Sunload Sensor Circuit Low/Open) at a professional auto repair shop?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.