AutoCodes – Nissan – B2787 Nissan

B2787 Nissan Code - Electric Compressor Voltage Saturation

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the motor voltage 140% or more relative to the inverter output voltage. Common causes include Faulty Li-ion Battery, Faulty Electric Compressor, Electric Compressor harness is open or shorted. 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: B2787 Nissan indicates Electric Compressor Voltage Saturation.
Common causes: Common causes include Faulty Li-ion Battery, Faulty Electric Compressor, Electric Compressor harness is open or shorted.
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 591

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 Feb 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2787 Nissan Description

The Diagnostic Trouble Code (DTC) sets when the motor voltage 140% or more relative to the inverter output voltage.

OBDII Code B2787 Nissan - Electric Compressor Voltage Saturation - AutoCodes.com — B2787 Nissan Code - Electric Compressor Voltage Saturation

What does this mean?

What are the Possible Causes of the DTC B2787 Nissan?

Faulty Li-ion Battery
Faulty Electric Compressor
Electric Compressor harness is open or shorted
Electric Compressor circuit poor electrical connection
Faulty Cooling Fan
Refrigerant charge

How to Fix the DTC B2787 Nissan?

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 B2787 Nissan 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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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 B2787 Nissan Code

1. What are the common symptoms of OBDII code B2787 Electric Compressor Voltage Saturation in a Nissan?

- Common symptoms include the inability of the air conditioning system to cool properly, erratic compressor operation, and potential illumination of the check engine light.

2. What are some possible causes of the B2787 code in a Nissan related to Electric Compressor Voltage Saturation?

- Possible causes include a faulty electric compressor, issues with the compressor control module, wiring harness problems, or a malfunctioning HVAC control unit.

3. How can I diagnose the cause of the B2787 code in my Nissan for Electric Compressor Voltage Saturation?

- Diagnostic steps may involve checking the compressor operation, inspecting the wiring and connectors for any damage, testing the compressor control module, and scanning the vehicle's computer for related codes.

4. Can I continue driving my Nissan with the B2787 code for Electric Compressor Voltage Saturation?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the air conditioning system and potentially affect overall vehicle performance.

5. How can I repair the B2787 code in a Nissan for Electric Compressor Voltage Saturation?

- Repair may involve replacing the electric compressor, repairing or replacing damaged wiring, resetting the compressor control module, or reprogramming the HVAC control unit.

6. Is it possible to reset the B2787 code in a Nissan for Electric Compressor Voltage Saturation without fixing the underlying issue?

- While you can clear the code using an OBDII scanner, it is essential to address the root cause to prevent the code from reoccurring and ensure proper functioning of the air conditioning system.

7. Are there any DIY tips for troubleshooting the B2787 code in a Nissan related to Electric Compressor Voltage Saturation?

- DIY tips may include visually inspecting the compressor and wiring for any visible damage, checking fuse connections, and ensuring proper refrigerant levels in the system.

8. Can weather conditions affect the occurrence of the B2787 code for Electric Compressor Voltage Saturation in my Nissan?

- Extreme temperatures or humidity levels can potentially exacerbate issues with the electric compressor and increase the likelihood of triggering the B2787 code.

9. How long does it typically take to repair the B2787 code in a Nissan for Electric Compressor Voltage Saturation?

- Repair times can vary depending on the exact cause of the issue, but it may take a few hours to a day for diagnosis, parts replacement, and system testing.

10. Are there any recalls or technical service bulletins related to the B2787 code in Nissan vehicles for Electric Compressor Voltage Saturation?

- It's advisable to check with a Nissan dealership or online resources for any relevant recalls or technical service bulletins addressing the B2787 code to see if your vehicle is affected.