AutoCodes – Generic – B2998

B2998 Code - A/C Compressor Driver

Quick Answer

The Climate Control Unit monitors the A/C Compressor Motor. Common causes include Faulty A/C Compressor Motor, A/C Compressor Motor harness is open or shorted, A/C Compressor Motor 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: B2998 indicates A/C Compressor Driver.
Common causes: Common causes include Faulty A/C Compressor Motor, A/C Compressor Motor harness is open or shorted, A/C Compressor Motor 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 1,619

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 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2998 Description

The Climate Control Unit monitors the A/C Compressor Motor. The Climate Control Unit sets the OBDII code when the A/C Compressor Motor is not to factory specifications.

OBDII Code B2998 - A/C Compressor Driver - AutoCodes.com — B2998 Code - A/C Compressor Driver

What does this mean?

What are the Possible Causes of the DTC B2998?

Faulty A/C Compressor Motor
A/C Compressor Motor harness is open or shorted
A/C Compressor Motor circuit poor electrical connection

How to Fix the DTC B2998?

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 B2998 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 B2998 code?

Need more information on how to fix the B2998 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2998 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2998 Acura — A/C Compressor Driver
B2998 Honda — A/C Compressor Driver

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 B2998 Code

1. What are the common symptoms of OBDII code B2998 (A/C Compressor Driver)?

The common symptoms of code B2998 include a malfunctioning air conditioning system, warm air blowing from the vents, and the A/C compressor not engaging.

2. What are the possible causes of OBDII code B2998?

Possible causes of code B2998 include a faulty A/C compressor driver module, wiring issues, a defective A/C compressor clutch, or a problem with the vehicle's HVAC system.

3. How can I diagnose OBDII code B2998?

Diagnosing code B2998 typically involves using a diagnostic scanner to retrieve the code, checking the A/C compressor driver module for proper operation, inspecting the wiring for any damage, and testing the A/C compressor clutch.

4. Can I still drive my vehicle with OBDII code B2998?

It is not recommended to drive your vehicle with code B2998, as it can lead to further damage to the A/C system and affect the overall performance of your vehicle. It is best to address the issue promptly.

5. How can I repair OBDII code B2998?

Repairing code B2998 may involve replacing the faulty A/C compressor driver module, repairing any damaged wiring, or replacing the A/C compressor clutch if necessary. It is recommended to consult a professional mechanic for an accurate diagnosis and repair.

6. Will resetting the OBDII code B2998 make it go away permanently?

Resetting the code may temporarily clear the error code, but if the underlying issue causing code B2998 is not addressed, the code is likely to reappear. It is essential to diagnose and repair the root cause of the problem.

7. Is OBDII code B2998 specific to a certain vehicle make or model?

Code B2998 can be found in various vehicle makes and models that are equipped with an OBDII system. It is essential to refer to the specific vehicle's service manual for detailed information on this code.

8. Can a DIY enthusiast fix OBDII code B2998 at home?

While some DIY enthusiasts may have the skills to diagnose and repair code B2998 at home, it is recommended to seek professional help, especially when dealing with complex electrical systems like the A/C compressor driver module.

9. How much does it typically cost to repair OBDII code B2998?

The cost of repairing code B2998 can vary depending on the underlying issue, the labor rates in your area, and the cost of parts needed for the repair. It is advisable to obtain multiple quotes from reputable mechanics.

10. Can OBDII code B2998 cause other problems in my vehicle if left unresolved?

If left unresolved, OBDII code B2998 can lead to further damage to the A/C system, decreased fuel efficiency, and potential issues with the vehicle's overall performance. It is best to address the code promptly to prevent additional problems.