AutoCodes – Generic – B2618

B2618 Code - Body Control Module Faulty

Quick Answer

The Body Control Module (BCM) controls the various electrical components and simultaneously supplies power according to the power supply position. Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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: B2618 indicates Body Control Module Faulty.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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 8,329

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 08, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2618 Description

The Body Control Module (BCM) controls the various electrical components and simultaneously supplies power according to the power supply position. The BCM checks the power supply position internally. The Diagnostic Trouble Code (DTC) sets when an immediate operation of ignition relay Intelligent Power Distribution Module Engine Room (IPDM E/R) is requested by BCM, but there is no response for more than 1 second.

OBDII Code B2618 - Body Control Module Faulty - AutoCodes.com — B2618 Code - Body Control Module Faulty

What does this mean?

What are the Possible Causes of the DTC B2618?

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

How to Fix the DTC B2618?

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 B2618 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 B2618 code?

Need more information on how to fix the B2618 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2618 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2618 Infiniti — Body Control Module Faulty
B2618 Nissan — Body Control Module Faulty

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 B2618 Code

1. What are the common symptoms of OBDII code B2618 (Body Control Module Faulty)?

- Common symptoms include issues with power windows, door locks, interior lights, and other body control functions.

2. What are the possible causes of OBDII code B2618?

- Possible causes include a faulty body control module, wiring issues, or a poor connection in the body control module circuit.

3. How can I diagnose OBDII code B2618?

- Diagnosis involves using an OBDII scanner to read the code and performing a thorough inspection of the body control module and related wiring.

4. Can I still drive my vehicle with OBDII code B2618?

- It is not recommended to drive the vehicle with this code as it can affect important functions like windows and door locks.

5. How can I repair OBDII code B2618?

- Repair may involve replacing the faulty body control module, repairing wiring issues, or ensuring a secure connection in the circuit.

6. Will resetting the code fix OBDII code B2618?

- Resetting the code may temporarily resolve the issue, but it is important to determine and address the root cause to prevent it from recurring.

7. Is it safe to attempt repairing OBDII code B2618 on my own?

- If you have experience with automotive electrical systems, you may attempt the repair. Otherwise, it is recommended to seek assistance from a professional mechanic.

8. How much does it cost to repair OBDII code B2618?

- The cost of repair can vary depending on the underlying issue, but it may involve parts and labor expenses for replacing the body control module or addressing wiring problems.

9. Can a low battery voltage cause OBDII code B2618 to trigger?

- Yes, low battery voltage can sometimes lead to electrical issues, including triggering the B2618 code. It is important to ensure the battery is in good condition.

10. Are there any preventative measures to avoid OBDII code B2618 in the future?

- Regular vehicle maintenance, including checking the electrical system and addressing any issues promptly, can help prevent the recurrence of OBDII code B2618.