AutoCodes – Infiniti – B2647 Infiniti

B2647 Infiniti Code - Electric Compressor Motor Current Limit

Quick Answer

The Electric Compressor monitors the controlling power voltage and current in the circuit. 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: B2647 Infiniti indicates Electric Compressor Motor Current Limit.
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 569

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 B2647 Infiniti Description

The Electric Compressor monitors the controlling power voltage and current in the circuit. The Electric Compressor stops compressor control and outputs this Diagnostic Trouble Code (DTC) if the rotation load is too large or too small while controlling motor rotation in the electric compressor.

OBDII Code B2647 Infiniti - Electric Compressor Motor Current Limit - AutoCodes.com — B2647 Infiniti Code - Electric Compressor Motor Current Limit

What does this mean?

What are the Possible Causes of the DTC B2647 Infiniti?

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 B2647 Infiniti?

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 B2647 Infiniti 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 B2647 Infiniti code?

Need more information on how to fix the B2647 Infiniti code? Get Access to Factory Service Manuals

Need Help with the 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 B2647 Infiniti Code

1. What are the common symptoms of OBDII code B2647 in an Infiniti related to the electric compressor motor current limit?

- Common symptoms may include the air conditioning system not cooling properly, unusual noises coming from the compressor, or the AC compressor not engaging.

2. What are some possible causes of OBDII code B2647 in an Infiniti?

- Potential causes may include a faulty electric compressor motor, damaged wiring or connectors, low refrigerant levels, or a malfunctioning AC control module.

3. How can I diagnose the issue related to the electric compressor motor current limit in my Infiniti?

- Diagnosis typically involves checking the wiring and connectors for any damage, testing the electric compressor motor for proper operation, and ensuring the refrigerant levels are adequate.

4. Can OBDII code B2647 in an Infiniti be fixed without professional help?

- While some DIY enthusiasts may attempt to address this issue, it is recommended to seek the expertise of a qualified mechanic due to the complexity of the AC system.

5. Are there any repair tips for resolving OBDII code B2647 in an Infiniti?

- Repair tips may include checking and repairing any damaged wiring, replacing a faulty electric compressor motor, ensuring proper refrigerant levels, and resetting the trouble code after the issue has been resolved.

6. Is it safe to continue driving my Infiniti with OBDII code B2647 present?

- It is not recommended to drive the vehicle with this code active, as it may lead to further damage to the AC system and potentially affect other components.

7. How much does it typically cost to repair OBDII code B2647 in an Infiniti?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve expenses for parts replacement, labor, and diagnostic fees.

8. Can resetting the OBDII code B2647 in an Infiniti temporarily fix the issue?

- Resetting the code may temporarily clear the warning light, but if the underlying problem is not addressed, the code is likely to reappear once the system detects the issue again.

9. Will OBDII code B2647 affect the overall performance of my Infiniti?

- While the primary impact of this code is related to the air conditioning system, unresolved issues may indirectly affect the vehicle's performance due to potential strain on the electrical system.

10. How long does it take to repair OBDII code B2647 in an Infiniti?

- The repair time can vary depending on the exact cause of the issue, availability of parts, and the mechanic's workload, but it may take a few hours to a day to complete the repair.