AutoCodes – Infiniti – B2648 Infiniti

B2648 Infiniti Code - Electric Compressor Over Current

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: B2648 Infiniti indicates Electric Compressor Over Current.
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 502

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 B2648 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 B2648 Infiniti - Electric Compressor Over Current - AutoCodes.com — B2648 Infiniti Code - Electric Compressor Over Current

What does this mean?

What are the Possible Causes of the DTC B2648 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 B2648 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 B2648 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 B2648 Infiniti code?

Need more information on how to fix the B2648 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2648 Infiniti 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 B2648 Infiniti Code

1. What are the common symptoms of OBDII code B2648 in an Infiniti related to Electric Compressor Over Current?

Common symptoms may include the air conditioning system not cooling properly, unusual noises coming from the compressor, and the AC system shutting off intermittently.

2. What are the possible causes of OBDII code B2648 Infiniti?

Possible causes of this code include a faulty electric compressor, damaged wiring or connectors, a defective compressor clutch, or issues with the AC control module.

3. How can I diagnose the Electric Compressor Over Current issue in my Infiniti?

Diagnosing this issue typically involves using a scan tool to retrieve the OBDII code, checking the compressor and related components for physical damage, and testing the electrical connections and circuits.

4. Can I drive my Infiniti with OBDII code B2648 present?

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

5. What are some repair tips for fixing OBDII code B2648 in an Infiniti?

Repair tips may include inspecting and repairing any damaged wiring, replacing the electric compressor if necessary, ensuring proper grounding of components, and resetting the AC system after repairs.

6. How much does it typically cost to repair OBDII code B2648 in an Infiniti?

The cost of repairing this code can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

7. Can a DIY enthusiast fix OBDII code B2648 in an Infiniti?

While some experienced DIY enthusiasts may be able to diagnose and repair this code, it is recommended to consult a professional mechanic due to the complexity of working with automotive electrical systems.

8. Will resetting the OBDII code B2648 in my Infiniti make the issue go away?

Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the Electric Compressor Over Current problem in your Infiniti.

9. How long does it take to repair OBDII code B2648 in an Infiniti?

The repair time can vary depending on the exact cause of the issue and the availability of parts, but it may take a few hours to a full day to diagnose and repair the Electric Compressor Over Current problem.

10. Is it safe to continue using the AC in my Infiniti with OBDII code B2648 triggered?

It is not recommended to continue using the AC in your Infiniti with this code triggered, as it can lead to further damage to the compressor and other components, potentially resulting in a more costly repair.