AutoCodes – Infiniti – B2555 Infiniti

B2555 Infiniti Code - Stop Lamp

Quick Answer

The Body Control Module (BCM) detects the stop lamp status and confirms the stop lamp switch ON/OFF status. Common causes include Faulty Stop Lamp Switch, Stop Lamp Switch harness is open or shorted, Stop Lamp Switch 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: B2555 Infiniti indicates Stop Lamp.
Common causes: Common causes include Faulty Stop Lamp Switch, Stop Lamp Switch harness is open or shorted, Stop Lamp Switch 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 2,741

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 Dec 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2555 Infiniti Description

The Body Control Module (BCM) detects the stop lamp status and confirms the stop lamp switch ON/OFF status. BCM confirms the engine start condition according to the stop lamp switch ON/OFF status. BCM makes a comparison between the upper voltage and lower voltage of stop lamp switch. It judges from their values to detect the malfunctioning circuit.

OBDII Code B2555 Infiniti - Stop Lamp - AutoCodes.com — B2555 Infiniti Code - Stop Lamp

What does this mean?

What are the Possible Causes of the DTC B2555 Infiniti?

Faulty Stop Lamp Switch
Stop Lamp Switch harness is open or shorted
Stop Lamp Switch circuit poor electrical connection

How to Fix the DTC B2555 Infiniti?

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 B2555 Infiniti 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 B2555 Infiniti code?

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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 B2555 Infiniti Code

1. What does OBDII code B2555 for Infiniti indicate?

The B2555 code for Infiniti specifically relates to a malfunction in the stop lamp circuit.

2. What are the common symptoms of OBDII code B2555 in an Infiniti vehicle?

Common symptoms include the stop lamps failing to illuminate properly or remaining on constantly even when the brake pedal is not engaged.

3. What are the potential causes of OBDII code B2555 in an Infiniti?

Possible causes of the B2555 code include a faulty stop lamp switch, wiring issues in the stop lamp circuit, or a malfunctioning Body Control Module (BCM).

4. How can I diagnose the OBDII code B2555 in my Infiniti?

To diagnose the B2555 code, you can start by checking the stop lamp operation, inspecting the wiring and connectors in the stop lamp circuit, and testing the stop lamp switch for proper function.

5. Can I continue driving my Infiniti with OBDII code B2555 present?

It is not recommended to drive your Infiniti with the B2555 code active, as it can affect the proper operation of your vehicle's stop lamps, compromising safety.

6. How do I repair OBDII code B2555 in my Infiniti?

Repairing the B2555 code may involve replacing a faulty stop lamp switch, repairing damaged wiring in the stop lamp circuit, or reprogramming the BCM if necessary.

7. Is resetting the OBDII code B2555 in an Infiniti a temporary solution?

Resetting the B2555 code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear.

8. Can a DIY enthusiast fix OBDII code B2555 in an Infiniti?

Depending on the cause of the B2555 code, DIY enthusiasts with automotive repair experience may be able to fix the issue by following proper diagnostic and repair procedures.

9. How long does it typically take to repair OBDII code B2555 in an Infiniti?

The repair time for the B2555 code can vary based on the cause of the issue and the expertise of the person performing the repairs, but it may take anywhere from 30 minutes to a few hours.

10. Will OBDII code B2555 cause my Infiniti to fail an emissions test?

While the B2555 code is related to the stop lamp circuit and not emissions specifically, it is still important to address and resolve the issue to ensure your vehicle meets all necessary requirements for an emissions test.