AutoCodes – Toyota – B1476 Toyota

B1476 Toyota Code - A/C Inverter Load System Malfunction

Quick Answer

The A/C Inverter Assembly stops compressor control and outputs the Diagnostic Trouble Code (DTC) if the rotation load is too great or too small while controlling motor rotation in the A/C Inverter Assembly. Common causes include Volume of refrigerant, Faulty Electric Inverter Compressor (w/Motor Compressor Assembly), Cooling Fan Circuit. 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: B1476 Toyota indicates A/C Inverter Load System Malfunction.
Common causes: Common causes include Volume of refrigerant, Faulty Electric Inverter Compressor (w/Motor Compressor Assembly), Cooling Fan Circuit.
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 18,427

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 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1476 Toyota Description

OBDII Code B1476 Toyota - A/C Inverter Load System Malfunction - AutoCodes.com — B1476 Toyota Code - A/C Inverter Load System Malfunction

What does this mean?

What are the Possible Causes of the DTC B1476 Toyota?

Volume of refrigerant
Faulty Electric Inverter Compressor (w/Motor Compressor Assembly)
Cooling Fan Circuit

How to Fix the DTC B1476 Toyota?

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 B1476 Toyota 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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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 B1476 Toyota Code

1. What are the common symptoms of OBDII code B1476 Toyota - A/C Inverter Load System Malfunction?

- Common symptoms include the air conditioning system not functioning properly, lack of cold air, and possibly the A/C indicator light illuminating on the dashboard.

2. What are the possible causes of OBDII code B1476 Toyota - A/C Inverter Load System Malfunction?

- Possible causes can include a faulty A/C inverter assembly, wiring issues, a damaged inverter compressor, or a malfunctioning control module.

3. How can I diagnose OBDII code B1476 Toyota - A/C Inverter Load System Malfunction?

- Diagnosis typically involves using a scan tool to read the code, checking the A/C system components for visible damage, and performing electrical tests on the inverter system.

4. Can I still drive my vehicle with OBDII code B1476 Toyota - A/C Inverter Load System Malfunction?

- It is not recommended to drive the vehicle with this code present, as it may lead to further damage to the A/C system and potentially affect the overall performance of the vehicle.

5. How can I repair OBDII code B1476 Toyota - A/C Inverter Load System Malfunction?

- Repair steps may involve replacing the A/C inverter assembly, repairing any damaged wiring, replacing the inverter compressor if necessary, and resetting the fault code with a scan tool.

6. Are there any specific maintenance tips to prevent OBDII code B1476 Toyota - A/C Inverter Load System Malfunction?

- Regularly servicing the A/C system, checking for any leaks or abnormalities, and addressing any strange noises or odors coming from the A/C system can help prevent this issue.

7. How much does it typically cost to repair OBDII code B1476 Toyota - A/C Inverter Load System Malfunction?

- The cost of repair can vary depending on the extent of the issue, the parts needed, and the labor rates of the service provider. It is advisable to get a few quotes from different repair shops.

8. Can a DIY enthusiast fix OBDII code B1476 Toyota - A/C Inverter Load System Malfunction?

- While some basic troubleshooting steps can be taken by a DIY enthusiast, diagnosing and repairing this code may require specialized tools and expertise, so it is recommended to consult a professional mechanic.

9. Is the A/C Inverter Load System Malfunction a common issue in Toyota vehicles?

- While not extremely common, this issue can occur in certain Toyota models equipped with an A/C inverter system. Regular maintenance and prompt repairs can help prevent it.

10. Will resetting the OBDII code B1476 Toyota - A/C Inverter Load System Malfunction make the problem go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the malfunction is not addressed, the code is likely to return. It's important to diagnose and repair the root cause of the problem.