AutoCodes – Infiniti – B2645 Infiniti

B2645 Infiniti Code - Electric Compressor Current Malfunction

Quick Answer

The Inverter monitors the Electric Compressor current. Common causes include Faulty Electric Compressor, Electric Compressor harness is open or shorted, Electric Compressor 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: B2645 Infiniti indicates Electric Compressor Current Malfunction.
Common causes: Common causes include Faulty Electric Compressor, Electric Compressor harness is open or shorted, Electric Compressor 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 514

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 09, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2645 Infiniti Description

The Inverter monitors the Electric Compressor current. The Diagnostic Trouble Code (DTC) sets if the Inverter detects an Electric Compressor Current Malfunction.

OBDII Code B2645 Infiniti - Electric Compressor Current Malfunction - AutoCodes.com — B2645 Infiniti Code - Electric Compressor Current Malfunction

What does this mean?

What are the Possible Causes of the DTC B2645 Infiniti?

Faulty Electric Compressor
Electric Compressor harness is open or shorted
Electric Compressor circuit poor electrical connection
Faulty Inverter

How to Fix the DTC B2645 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 B2645 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 B2645 Infiniti 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 B2645 Infiniti Code

1. What are the common symptoms of OBDII code B2645 in an Infiniti related to Electric Compressor Current Malfunction?

The common symptoms include the AC not blowing cold air, unusual noises coming from the compressor, and the AC system not functioning properly.

2. What are the possible causes of OBDII code B2645 in an Infiniti?

Possible causes can include a faulty electric compressor, issues with the compressor clutch, wiring problems, or a malfunctioning control module.

3. How can I diagnose the Electric Compressor Current Malfunction in my Infiniti when OBDII code B2645 is triggered?

It is recommended to perform a thorough inspection of the electric compressor, check the wiring and connections, and use a diagnostic scanner to review live data and pinpoint the issue.

4. Can OBDII code B2645 in an Infiniti be reset or cleared without addressing the underlying issue?

While you can clear the code with a diagnostic scanner, it is important to address the root cause of the Electric Compressor Current Malfunction to prevent further issues with the AC system.

5. Is it safe to continue driving my Infiniti with OBDII code B2645 related to Electric Compressor Current Malfunction?

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

6. How much does it typically cost to repair OBDII code B2645 in an Infiniti?

The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the electric compressor, repairing wiring, or addressing other related components. Costs can range from a few hundred to over a thousand dollars.

7. Are there any DIY tips for troubleshooting OBDII code B2645 in an Infiniti?

DIY tips may include checking the compressor clutch for proper engagement, inspecting the wiring harness for damage, and ensuring all connections are secure before seeking professional help.

8. Can a faulty electric compressor cause other OBDII codes to be triggered in an Infiniti?

Yes, a faulty electric compressor can sometimes trigger additional codes related to the AC system or electrical malfunctions in the vehicle.

9. How long does it usually take to repair OBDII code B2645 in an Infiniti at a professional auto repair shop?

The repair time can vary depending on the extent 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 Current Malfunction.

10. Is it possible to prevent OBDII code B2645 in an Infiniti related to Electric Compressor Current Malfunction through regular maintenance?

Regular maintenance, such as checking the AC system during routine service appointments, can help detect potential issues early and prevent the triggering of OBDII code B2645.