AutoCodes – Generic – B2628

B2628 Code - Outside Key Antenna Rear Bumper

Quick Answer

The Body Control Module (BCM) monitors the Outside Key Antenna Rear Bumper. Common causes include Faulty Outside Key Antenna Rear Bumper, Outside Key Antenna Rear Bumper harness is open or shorted, Outside Key Antenna Rear Bumper 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: B2628 indicates Outside Key Antenna Rear Bumper.
Common causes: Common causes include Faulty Outside Key Antenna Rear Bumper, Outside Key Antenna Rear Bumper harness is open or shorted, Outside Key Antenna Rear Bumper 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 3,501

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 B2628 Description

The Body Control Module (BCM) monitors the Outside Key Antenna Rear Bumper. The Diagnostic Trouble Code (DTC) sets when an excessive high or low voltage from Outside Key Antenna Rear Bumper is sent to BCM

OBDII Code B2628 - Outside Key Antenna Rear Bumper - AutoCodes.com — B2628 Code - Outside Key Antenna Rear Bumper

What does this mean?

What are the Possible Causes of the DTC B2628?

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

How to Fix the DTC B2628?

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 B2628 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 B2628 code?

Need more information on how to fix the B2628 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2628 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2628 Acura — Right Front Sensor Failure
B2628 Honda — Right Front Sensor Failure
B2628 Infiniti — Outside Key Antenna Rear Bumper
B2628 Nissan — Outside Key Antenna Rear Bumper

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 B2628 Code

1. What are the common symptoms of OBDII code B2628 (Outside Key Antenna Rear Bumper)?

The common symptoms include issues with keyless entry, difficulty unlocking or locking the vehicle, and a malfunctioning rear bumper antenna.

2. What could cause OBDII code B2628 to trigger?

The code B2628 is typically triggered by a faulty outside key antenna located in the rear bumper, which may be damaged or have a poor connection.

3. How can I diagnose the problem related to OBDII code B2628?

To diagnose the issue, you can visually inspect the outside key antenna in the rear bumper for any physical damage or loose connections. You may also use a multimeter to test the antenna's functionality.

4. Is it possible to repair the outside key antenna associated with OBDII code B2628?

In most cases, the outside key antenna in the rear bumper can be repaired by fixing any damaged wiring, replacing the antenna itself, or ensuring a proper connection is established.

5. Can a DIY enthusiast fix OBDII code B2628 at home?

Depending on your level of automotive expertise, you may be able to address the issue related to code B2628 at home by following repair guides or tutorials. However, professional assistance is recommended for complex repairs.

6. What are the implications of ignoring OBDII code B2628?

Ignoring OBDII code B2628 may lead to continued problems with keyless entry, potential security risks due to malfunctioning locking systems, and inconvenience in accessing the vehicle.

7. Are there any preventive measures to avoid OBDII code B2628 in the future?

To prevent OBDII code B2628 from occurring, you can regularly inspect and maintain the outside key antenna in the rear bumper, avoid physical damage to the antenna, and address any issues promptly.

8. How does the outside key antenna in the rear bumper affect the vehicle's keyless entry system?

The outside key antenna in the rear bumper is crucial for the keyless entry system as it receives signals from the key fob to lock, unlock, or start the vehicle. A malfunctioning antenna can disrupt these functions.

9. Can extreme weather conditions impact the outside key antenna linked to OBDII code B2628?

Yes, extreme weather conditions such as heavy rain, snow, or extreme heat can potentially damage the outside key antenna in the rear bumper, leading to issues related to code B2628.

10. Is OBDII code B2628 a common issue in specific car models?

While OBDII code B2628 related to the outside key antenna in the rear bumper can occur across different car models, it may be more common in vehicles with keyless entry systems utilizing exterior antennas.