B27C0 Code - Electric Compressor Communication Error
Quick Answer
The Diagnostic Trouble Code (DTC) sets when the A/C Auto Amplifier cannot receive the signal transmitted from the electric compressor. 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
- B27C0 indicates Electric Compressor Communication Error.
- 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.
Code B27C0 Description
What are the Possible Causes of the DTC B27C0?
- Faulty Electric Compressor
- Electric Compressor harness is open or shorted
- Electric Compressor circuit poor electrical connection
- Faulty A/C Auto Amplifier
- Faulty Power Delivery Module (PDM)
How to Fix the DTC B27C0?
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 B27C0 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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Information for Specific Makes
- B27C0 Infiniti — Electric Compressor Communication Error
- B27C0 Nissan — Electric Compressor Communication Error
Frequently Asked Questions about B27C0 Code
1. What are the common symptoms of OBDII code B27C0 (Electric Compressor Communication Error)?
- Common symptoms include weak air conditioning performance, erratic compressor operation, and dashboard warning lights related to the air conditioning system.
2. What are the possible causes of OBDII code B27C0?
- Possible causes include faulty electric compressor, damaged wiring or connectors in the compressor circuit, low refrigerant levels, or a malfunctioning control module.
3. How can I diagnose the Electric Compressor Communication Error?
- Diagnose the error by using a scan tool to retrieve the specific code, inspecting the compressor wiring and connectors for damage, and checking the refrigerant levels in the system.
4. Can a DIY enthusiast repair OBDII code B27C0 at home?
- Repairing this error may require advanced diagnostic tools and knowledge, so it is recommended to seek assistance from a professional mechanic with experience in automotive air conditioning systems.
5. What are some repair tips for fixing the Electric Compressor Communication Error?
- Repair tips include ensuring proper connection of the compressor wiring, checking and refilling refrigerant levels, and resetting the error code after addressing any identified issues.
6. How critical is it to address OBDII code B27C0 promptly?
- It is important to address this error promptly to prevent further damage to the air conditioning system and ensure optimal performance, especially during hot weather conditions.
7. Can OBDII code B27C0 be triggered by other underlying issues in the vehicle?
- While this code is primarily related to the electric compressor communication error, other issues such as electrical system faults or compressor failures can also trigger it.
8. Is it safe to continue driving with OBDII code B27C0 present?
- It is not recommended to continue driving with this error code present, as it can lead to decreased air conditioning performance and potentially cause further damage to the system.
9. How much does it typically cost to repair OBDII code B27C0?
- The cost of repairing this error can vary depending on the specific cause and required repairs, but it may involve expenses for parts replacement, labor, and diagnostic services.
10. Are there any preventive measures to avoid encountering OBDII code B27C0 in the future?
- Regular maintenance of the vehicle's air conditioning system, including checking refrigerant levels and inspecting wiring connections, can help prevent issues like the Electric Compressor Communication Error.
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