AutoCodes – Subaru – B14A2 Subaru

B14A2 Subaru Code - Sunload Sensor Circuit Short Circuit

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: B14A2 Subaru indicates Sunload Sensor Circuit Short Circuit.
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 2,657

How popular is this code, among other codes? Low

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 B14A2 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 B14A2 Subaru - Sunload Sensor Circuit Short Circuit - AutoCodes.com — B14A2 Subaru Code - Sunload Sensor Circuit Short Circuit

What does this mean?

What are the Possible Causes of the DTC B14A2 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 B14A2 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 B14A2 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 B14A2 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 B14A2 Subaru Code

1. What does OBDII code B14A2 for Subaru indicate?

The code B14A2 signifies a Sunload Sensor Circuit Short Circuit in a Subaru vehicle.

2. What are common symptoms of the B14A2 OBDII code in a Subaru?

Common symptoms may include incorrect air conditioning system operation, erratic fan speed, or a malfunctioning sunload sensor.

3. What could cause the Sunload Sensor Circuit Short Circuit in a Subaru?

Potential causes may include damaged wiring, a faulty sunload sensor, a short circuit in the circuit, or a malfunctioning control module.

4. How can I diagnose the B14A2 OBDII code in my Subaru?

Diagnosis typically involves inspecting the sunload sensor, checking the wiring for any damage, testing the sensor's resistance, and using a diagnostic scanner to read the code.

5. Can I still drive my Subaru with the B14A2 code present?

It is generally not recommended to drive with this code active, as it may affect the proper functioning of the air conditioning system and potentially lead to further issues.

6. Is it possible to repair the Sunload Sensor Circuit Short Circuit issue in a Subaru myself?

While some basic checks like inspecting wiring connections can be done DIY, diagnosing and repairing the specific cause of the circuit short may require professional expertise.

7. What are the typical repair options for fixing the B14A2 code in a Subaru?

Repair options may include replacing the sunload sensor, repairing or replacing damaged wiring, resetting the fault code, or reprogramming the control module.

8. How much does it cost to fix the B14A2 OBDII code in a Subaru?

The cost of repair can vary depending on the exact cause of the issue, the required parts, and labor fees. It's advisable to get a diagnostic assessment from a qualified mechanic for an accurate estimate.

9. Can resetting the OBDII code clear the B14A2 fault in a Subaru temporarily?

Resetting the code may temporarily clear the fault, but if the underlying issue causing the circuit short is not addressed, the code is likely to reappear.

10. Is the B14A2 OBDII code specific to certain Subaru models or years?

The B14A2 code may be specific to certain Subaru models and years, so it's essential to consult the vehicle's manual or a Subaru specialist for detailed information.