AutoCodes – Nissan – B2651 Nissan

B2651 Nissan Code - Electric Compressor Inverter Overheat

Quick Answer

The temperature sensor of the Electric Compressor detects inverter temperature. Common causes include Refrigerant Gas Leakage, Overcharged Refrigerant Gas, Condenser Fan Circuit Malfunction. 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: B2651 Nissan indicates Electric Compressor Inverter Overheat.
Common causes: Common causes include Refrigerant Gas Leakage, Overcharged Refrigerant Gas, Condenser Fan Circuit Malfunction.
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 591

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 Jan 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2651 Nissan Description

The temperature sensor of the Electric Compressor detects inverter temperature. If the temperature exceeds the maximum, the electric compressor stops compressor operation, and this Diagnostic Trouble Code (DTC) will be output.

OBDII Code B2651 Nissan - Electric Compressor Inverter Overheat - AutoCodes.com — B2651 Nissan Code - Electric Compressor Inverter Overheat

What does this mean?

What are the Possible Causes of the DTC B2651 Nissan?

Refrigerant Gas Leakage
Overcharged Refrigerant Gas
Condenser Fan Circuit Malfunction
Faulty Electric Compressor
Electric Compressor harness is open or shorted
Electric Compressor circuit poor electrical connection

How to Fix the DTC B2651 Nissan?

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 B2651 Nissan 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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Need Help with the Code?

Get the B2651 Nissan code diagnosed by a professional: Find a repair shop in your area

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 B2651 Nissan Code

1. What are the common symptoms of OBDII code B2651 in a Nissan related to Electric Compressor Inverter Overheat?

- Common symptoms include air conditioning not cooling effectively, strange noises coming from the compressor, and the AC system shutting off unexpectedly.

2. What are the possible causes of the Electric Compressor Inverter Overheat OBDII code B2651 in a Nissan?

- Possible causes include a faulty electric compressor inverter, wiring issues, low refrigerant levels, or a malfunctioning AC compressor.

3. How can I diagnose the cause of OBDII code B2651 related to Electric Compressor Inverter Overheat in my Nissan?

- Diagnose by checking the inverter and compressor wiring for any visible damage, testing the inverter for proper function, and ensuring the refrigerant levels are adequate.

4. Can I continue driving my Nissan when OBDII code B2651 for Electric Compressor Inverter Overheat is present?

- It is not recommended to drive your Nissan with this code present, as it can lead to further damage to the AC system and potentially cause overheating issues.

5. How can I repair OBDII code B2651 in a Nissan due to Electric Compressor Inverter Overheat?

- Repair involves replacing the faulty electric compressor inverter, repairing any damaged wiring, recharging the AC system if needed, and clearing the error code.

6. Is it possible to reset the OBDII code B2651 for Electric Compressor Inverter Overheat in a Nissan without fixing the underlying issue?

- While it is possible to clear the error code temporarily, the issue causing the code will likely persist and trigger the code again until properly repaired.

7. Can a DIY enthusiast fix OBDII code B2651 related to Electric Compressor Inverter Overheat in a Nissan?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this issue themselves.

8. Are there any preventive maintenance tips to avoid OBDII code B2651 in a Nissan due to Electric Compressor Inverter Overheat?

- Regularly servicing the AC system, checking for any signs of leaks or damage, and addressing any strange noises or performance issues promptly can help prevent this code from appearing.

9. How long does it typically take to repair OBDII code B2651 for Electric Compressor Inverter Overheat in a Nissan?

- The repair time can vary depending on the exact cause of the code, but it may take a few hours to a day for a professional technician to diagnose and fix the issue.

10. Can a malfunctioning electric compressor inverter affect other systems in a Nissan besides the AC system?

- While the primary impact of a faulty electric compressor inverter is on the AC system, it can potentially affect other electrical systems in the vehicle due to the interconnected nature of modern cars.