AutoCodes – Generic – B2623

B2623 Code - Inside Key Antenna 3 Circuit

Quick Answer

The Inside Key Antenna 3 detects whether Intelligent Key is inside the vehicle. Common causes include Faulty Inside Key Antenna, Inside Key Antenna harness is open or shorted, Inside Key Antenna 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: B2623 indicates Inside Key Antenna 3 Circuit.
Common causes: Common causes include Faulty Inside Key Antenna, Inside Key Antenna harness is open or shorted, Inside Key Antenna 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 4,693

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 B2623 Description

The Inside Key Antenna 3 detects whether Intelligent Key is inside the vehicle. The Inside Key Antenna 3 Installed in the center area of the instrument panel. The Diagnostic Trouble Code (DTC) sets when an excessive high or low voltage from inside antenna is sent to the Body Control Module (BCM).

OBDII Code B2623 - Inside Key Antenna 3 Circuit - AutoCodes.com — B2623 Code - Inside Key Antenna 3 Circuit

What does this mean?

What are the Possible Causes of the DTC B2623?

Faulty Inside Key Antenna
Inside Key Antenna harness is open or shorted
Inside Key Antenna circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2623?

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 B2623 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 B2623 code?

Need more information on how to fix the B2623 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2623 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2623 Buick — Display Dimming Pulse Width Modulation Input Circuit
B2623 Cadillac — Display Dimming Pulse Width Modulation Input Circuit
B2623 Chevrolet — Display Dimming Pulse Width Modulation Input Circuit
B2623 GMC — Display Dimming Pulse Width Modulation Input Circuit
B2623 Infiniti — Inside Key Antenna 3 Circuit
B2623 Nissan — Inside Key Antenna 3 Circuit

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 B2623 Code

1. What are the common symptoms of OBDII code B2623 (Inside Key Antenna 3 Circuit)?

- The common symptoms include issues with the vehicle's keyless entry system, difficulty starting the vehicle, and intermittent key fob function.

2. What are the possible causes of OBDII code B2623?

- The code B2623 can be caused by a faulty key fob, damaged wiring in the key antenna circuit, or a malfunctioning key antenna module.

3. How can I diagnose the OBDII code B2623?

- Diagnosing code B2623 typically involves checking the key fob batteries, inspecting the wiring for damage, and testing the key antenna module for proper function using a diagnostic scan tool.

4. Can I repair OBDII code B2623 at home?

- Repairing code B2623 at home is possible depending on the cause. Simple fixes like replacing the key fob batteries or repairing damaged wiring may be done by DIY enthusiasts. However, more complex issues may require professional help.

5. Is it safe to continue driving with OBDII code B2623 present?

- It is generally safe to continue driving with code B2623, but you may experience inconvenience due to keyless entry system malfunctions or starting issues. It is recommended to address the problem as soon as possible.

6. How much does it typically cost to repair OBDII code B2623?

- The cost of repairing code B2623 can vary depending on the cause of the issue. Simple fixes like replacing key fob batteries may cost less, while repairing or replacing key antenna components can be more expensive.

7. Can OBDII code B2623 be triggered by a dead key fob battery?

- Yes, a dead key fob battery can trigger code B2623 as the key fob may not be transmitting signals properly to the key antenna module.

8. Will resetting the vehicle's computer clear OBDII code B2623?

- Resetting the vehicle's computer may temporarily clear code B2623, but if the underlying issue is not resolved, the code is likely to reappear after some time.

9. Are there any preventative measures to avoid OBDII code B2623?

- Regularly checking and replacing key fob batteries, inspecting wiring for damage, and keeping the key antenna area clean can help prevent issues that trigger code B2623.

10. Can extreme weather conditions affect OBDII code B2623?

- Yes, extreme weather conditions like excessive heat or cold can potentially affect the performance of key fobs and key antenna components, leading to the triggering of code B2623.