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Engine-Codes – Infiniti – B2628 Infiniti

B2628 Infiniti Code - Outside Key Antenna Rear Bumper

Quick Answer

The B2628 code for Infiniti vehicles refers to an issue with the outside key antenna located in the rear bumper. Common causes include Damage to the outside key antenna in the rear bumper, Loose or disconnected wiring related to the antenna, Electrical issues within the keyless entry system. 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 Infiniti indicates Outside Key Antenna Rear Bumper.
Common causes
Common causes include Damage to the outside key antenna in the rear bumper, Loose or disconnected wiring related to the antenna, Electrical issues within the keyless entry system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code B2628 Infiniti Description

The B2628 code for Infiniti vehicles refers to an issue with the outside key antenna located in the rear bumper. This antenna is a crucial component of the vehicle's keyless entry system, allowing the car to detect the key fob's signal and unlock the doors or start the engine. When this antenna malfunctions or fails, it can lead to various issues with the keyless entry system, affecting the convenience and security of the vehicle.

OBDII Code B2628 Infiniti - Outside Key Antenna Rear Bumper
B2628 Infiniti Code - Outside Key Antenna Rear Bumper

Common Causes of B2628 Infiniti

  1. Damage to the outside key antenna in the rear bumper.
  2. Loose or disconnected wiring related to the antenna.
  3. Electrical issues within the keyless entry system.
  4. Water damage or corrosion affecting the antenna.
  5. Faulty key fob transmitting signals.

Symptoms of B2628 Infiniti

  1. Inability to unlock or lock the doors using the key fob.
  2. Key fob not being detected by the vehicle when in close proximity.
  3. Engine not starting when the key fob is inside the vehicle.
  4. Alarms going off unexpectedly or intermittently.

How to Fix B2628 Infiniti

  1. Begin by diagnosing the specific cause of the issue, such as testing the antenna for damage or checking the wiring for any faults.
  2. Replace the outside key antenna in the rear bumper if it is found to be damaged or faulty.
  3. Repair any loose or disconnected wiring related to the antenna.
  4. Check and repair any electrical issues within the keyless entry system.
  5. Test the key fob to ensure it is transmitting signals correctly and replace it if necessary.

Cost to Fix B2628 Infiniti

The typical repair costs for addressing the B2628 code on an Infiniti vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, repairing the outside key antenna in the rear bumper may cost between $200 and $500, including parts and labor. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary significantly, so it is advisable to check with local shops for a more accurate estimate. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops often offer more affordable prices.

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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 B2628 Infiniti Code

1. What are common symptoms of OBDII code B2628 in an Infiniti related to the Outside Key Antenna Rear Bumper?

The common symptoms include issues with keyless entry, difficulty in unlocking or locking the car remotely, and sporadic functioning of the key fob.

2. What could cause the OBDII code B2628 in an Infiniti to trigger?

The code B2628 is typically triggered by a malfunction in the outside key antenna located on the rear bumper of the vehicle. This antenna is responsible for receiving signals from the key fob.

3. How can I diagnose the issue related to the Outside Key Antenna Rear Bumper in my Infiniti?

To diagnose the problem, you can start by checking the wiring and connections to the outside key antenna. You may also use a diagnostic tool to read the specific error codes and pinpoint the exact issue.

4. Is it possible to repair the Outside Key Antenna Rear Bumper issue in an Infiniti without professional help?

Depending on your skill level, you may be able to repair the issue yourself by replacing the faulty antenna or repairing any damaged wiring. However, seeking professional help is recommended for more complex repairs.

5. Are there any temporary solutions to consider if I encounter issues with the Outside Key Antenna Rear Bumper in my Infiniti?

A temporary solution could involve manually unlocking and locking the car using the physical key instead of relying on the keyless entry system until the issue is properly addressed.

6. Can a malfunctioning Outside Key Antenna Rear Bumper affect other vehicle systems in an Infiniti?

While the primary effect of a malfunctioning outside key antenna is related to keyless entry functions, it may also impact other related systems such as the alarm system or immobilizer.

7. How crucial is it to address the OBDII code B2628 in an Infiniti promptly?

It is important to address the B2628 code promptly as unresolved issues with the outside key antenna can lead to inconvenience, potential security risks, and further damage to related vehicle systems.

8. Are there any preventive measures to avoid encountering problems with the Outside Key Antenna Rear Bumper in an Infiniti?

Regularly inspecting the key antenna for any signs of damage, ensuring proper maintenance of the key fob, and avoiding physical damage to the antenna can help prevent issues related to the outside key antenna.

9. What are the typical repair costs associated with fixing the Outside Key Antenna Rear Bumper issue in an Infiniti?

The repair costs can vary depending on the extent of the damage and whether professional help is required. It is advisable to obtain quotes from reputable repair shops for an accurate estimate.

10. Can resetting the vehicle's computer system resolve the OBDII code B2628 related to the Outside Key Antenna Rear Bumper in an Infiniti?

While resetting the computer system may temporarily clear the error code, it is unlikely to resolve the underlying issue with the outside key antenna. It is best to diagnose and repair the specific cause of the problem.

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