AutoCodes – Generic – B14A6

B14A6 Code - Refrigerant Flow Sensor Circuit Short Circuit

Quick Answer

The Air Condition (A/C) Control Module monitors the Refrigerant Flow Sensor. Common causes include Faulty Refrigerant Flow Sensor, Refrigerant Flow Sensor harness is open or shorted, Refrigerant Flow 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: B14A6 indicates Refrigerant Flow Sensor Circuit Short Circuit.
Common causes: Common causes include Faulty Refrigerant Flow Sensor, Refrigerant Flow Sensor harness is open or shorted, Refrigerant Flow 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 1,611

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
Cost to Diagnose
FAQs
Comments
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Code B14A6 Description

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

OBDII Code B14A6 - Refrigerant Flow Sensor Circuit Short Circuit - AutoCodes.com — B14A6 Code - Refrigerant Flow Sensor Circuit Short Circuit

What does this mean?

What are the Possible Causes of the DTC B14A6?

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

How to Fix the DTC B14A6?

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 B14A6 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 B14A6 code?

Need more information on how to fix the B14A6 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B14A6 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B14A6 Scion — Refrigerant Flow Sensor Circuit Short Circuit
B14A6 Subaru — Refrigerant Flow Sensor Circuit Short 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 B14A6 Code

1. What are the common symptoms of OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit)?

- Common symptoms include the air conditioning system not cooling properly, the AC compressor not engaging, and the AC system constantly cycling on and off.

2. What are the potential causes of OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit)?

- Possible causes include a faulty refrigerant flow sensor, damaged wiring or connectors in the circuit, or a short circuit in the sensor circuit.

3. How can I diagnose OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit)?

- Diagnosis involves using a scan tool to retrieve the trouble code, inspecting the wiring and connectors for damage, testing the refrigerant flow sensor, and checking for any short circuits in the circuit.

4. What are some repair tips for fixing OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit)?

- Repair tips include replacing the faulty refrigerant flow sensor, repairing or replacing damaged wiring or connectors, and clearing the trouble code using a scan tool after completing the repairs.

5. Can I drive my vehicle with OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit)?

- It is not recommended to drive your vehicle with this code as it can lead to poor AC performance and potential damage to the AC system. It's best to address the issue promptly.

6. How much does it typically cost to repair OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit)?

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

7. Is OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit) a serious issue?

- While the code may not cause immediate harm to the vehicle, it can lead to discomfort due to poor AC performance. Ignoring the issue can potentially cause damage to the AC system over time.

8. Can I reset OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit) without fixing the underlying problem?

- While you can clear the trouble code using a scan tool, it is not recommended to do so without addressing the root cause, as the issue will likely reoccur.

9. Are there any recalls related to OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit)?

- It's advisable to check with the vehicle manufacturer or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls related to this specific OBDII code.

10. How can I prevent OBDII code B14A6 (Refrigerant Flow Sensor Circuit Short Circuit) from occurring again in the future?

- To prevent the code from reoccurring, regular maintenance of the AC system is essential, including checking for refrigerant leaks, keeping the system properly charged, and addressing any wiring issues promptly.