B2649 Code - Electric Compressor Over Load
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
- B2649 indicates Electric Compressor Over Load.
- 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.
Code B2649 Description
What are the Possible Causes of the DTC B2649?
- 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 B2649?
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 B2649 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 B2649 code?
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Need Help with the Code?
Get the B2649 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B2649 Infiniti — Electric Compressor Over Load
- B2649 Nissan — Electric Compressor Over Load
Frequently Asked Questions about B2649 Code
1. What are the common symptoms of OBDII code B2649 (Electric Compressor Over Load)?
- Common symptoms include the air conditioning system not working properly, unusual noises coming from the compressor, and potential engine power loss.
2. What can cause OBDII code B2649 to be triggered?
- This code is typically triggered by an overload on the electric compressor due to issues such as a faulty compressor clutch or an electrical problem in the system.
3. How can I diagnose the cause of OBDII code B2649?
- Diagnosing the cause of this code may require a scan tool to read the code, inspection of the compressor and its components, and checking the electrical connections for any issues.
4. Is it safe to continue driving with OBDII code B2649 present?
- It is not recommended to continue driving with this code present, as it can lead to further damage to the air conditioning system and potential engine issues.
5. What are some repair tips for fixing OBDII code B2649?
- Repair tips may include checking and repairing any damaged wiring or connections, replacing a faulty compressor clutch, or resetting the code after fixing the underlying issue.
6. Can I reset OBDII code B2649 on my own?
- You may be able to reset the code on your own using an OBDII scan tool, but it is essential to address the root cause of the issue to prevent the code from reoccurring.
7. How much does it typically cost to repair OBDII code B2649?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
8. Are there any preventative measures to avoid OBDII code B2649 in the future?
- Regular maintenance of the air conditioning system, checking for any unusual noises or performance issues, and addressing them promptly can help prevent this code from appearing.
9. Can a DIY enthusiast repair OBDII code B2649 at home?
- While some DIY enthusiasts may have the skills to diagnose and repair this issue at home, it is recommended to consult with a professional mechanic for an accurate diagnosis and proper repair.
10. How urgent is it to address OBDII code B2649 once it appears?
- It is advisable to address this code promptly to avoid further damage to the air conditioning system and prevent potential safety hazards while driving.
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