AutoCodes – Generic – B2616

B2616 Code - Ignition Relay Circuit

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 Ignition Relay, Ignition Relay harness is open or shorted, Ignition Relay 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: B2616 indicates Ignition Relay Circuit.
Common causes: Common causes include Faulty Ignition Relay, Ignition Relay harness is open or shorted, Ignition Relay 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 4,189

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 B2616 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 (fuse block) is requested by BCM, but there is no response for more than 1 second.

OBDII Code B2616 - Ignition Relay Circuit - AutoCodes.com — B2616 Code - Ignition Relay Circuit

What does this mean?

What are the Possible Causes of the DTC B2616?

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

How to Fix the DTC B2616?

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 B2616 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 B2616 code?

Need more information on how to fix the B2616 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2616 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2616 Infiniti — Ignition Relay Circuit
B2616 Nissan — Ignition Relay 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 B2616 Code

1. What are common symptoms of OBDII code B2616 (Ignition Relay Circuit)?

- Common symptoms include difficulty starting the vehicle, engine stalling, or the engine not turning over.

2. What are the possible causes of OBDII code B2616?

- Possible causes include a faulty ignition relay, damaged wiring or connectors in the ignition relay circuit, or a problem with the ignition switch.

3. How can I diagnose the issue related to OBDII code B2616?

- Diagnose the issue by checking the ignition relay for proper function, inspecting the wiring and connectors for any damage, and testing the ignition switch for any faults.

4. Can a DIY enthusiast repair OBDII code B2616 at home?

- Depending on your skill level and access to tools, you may be able to replace a faulty ignition relay or repair damaged wiring yourself. However, it's recommended to consult a professional if you're unsure.

5. Is it safe to continue driving with OBDII code B2616 present?

- It's not recommended to continue driving with this code present, as it can lead to potential issues with starting the vehicle or engine performance.

6. How much does it typically cost to repair OBDII code B2616?

- The cost of repairing this code can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

7. Can OBDII code B2616 be triggered by a loose battery connection?

- Yes, a loose or corroded battery connection can sometimes cause issues with the ignition relay circuit, leading to the OBDII code B2616.

8. Will resetting the OBDII system clear the B2616 code?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear.

9. Are there any preventative measures to avoid OBDII code B2616 in the future?

- Regularly inspecting and maintaining the ignition system, including the ignition relay and wiring, can help prevent issues that may trigger OBDII code B2616.

10. Can a faulty starter motor cause OBDII code B2616 to appear?

- While a faulty starter motor is not a direct cause of OBDII code B2616, it can contribute to issues with starting the vehicle, which may trigger the code if left unresolved.