AutoCodesInfiniti – B2098 Infiniti

B2098 Infiniti Code - Ignition Relay ON Stuck

Quick Answer

The Intelligent Power Distribution Module (IPDM) Engine Room (E/R) operates the ignition relay when it receives an ignition switch ON signal from Body Control Module (BCM) via CAN communication. 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
B2098 Infiniti indicates Ignition Relay ON Stuck.
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 3,501
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 16, 2019
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Code B2098 Infiniti Description

The Intelligent Power Distribution Module (IPDM) Engine Room (E/R) operates the ignition relay when it receives an ignition switch ON signal from Body Control Module (BCM) via CAN communication. The OBDII code sets when the ignition relay ON is detected for 1 second at ignition switch OFF (CPU monitors the status at the contact and excitation coil circuits of the ignition relay inside it).
OBDII Code B2098 Infiniti - Ignition Relay ON Stuck - AutoCodes.com
B2098 Infiniti Code - Ignition Relay ON Stuck

What are the Possible Causes of the DTC B2098 Infiniti?

  • Faulty Ignition Relay
  • Ignition Relay harness is open or shorted
  • Ignition Relay circuit poor electrical connection
  • Faulty Intelligent Power Distribution Module (IPDM)

How to Fix the DTC B2098 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 B2098 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 B2098 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 B2098 Infiniti Code

1. What does the OBDII code B2098 mean on an Infiniti?

The B2098 code indicates that the ignition relay is stuck in the "ON" position, meaning it is not functioning as expected.

2. What are the symptoms of the B2098 code in an Infiniti?

Common symptoms include difficulty starting the vehicle, the ignition staying on after the engine is turned off, or electrical components remaining powered when they shouldn't.

3. What causes the B2098 Ignition Relay ON Stuck code?

The code is often caused by a faulty ignition relay, sticking contacts within the relay, damaged wiring, or a malfunctioning ignition switch.

4. Can a weak battery cause the B2098 code?

A weak battery is unlikely to directly cause this code but may contribute to electrical issues that exacerbate the problem.

5. How do I diagnose the B2098 code on my Infiniti?

Start by inspecting the ignition relay for damage or sticking, check the wiring for shorts or corrosion, and test the ignition switch for proper functionality.

6. Can I drive my Infiniti with the B2098 code active?

It’s not recommended, as the stuck relay can drain the battery, cause electrical malfunctions, or lead to starting issues.

7. How do I fix the B2098 Ignition Relay ON Stuck issue?

Replacing the faulty ignition relay or repairing damaged wiring usually resolves the issue. In rare cases, the ignition switch may need replacement.

8. Is the B2098 code related to other electrical problems in my Infiniti?

Yes, a stuck ignition relay can cause other electrical components to remain powered, leading to additional malfunctions or a drained battery.

9. How much does it cost to fix the B2098 code on an Infiniti?

Repair costs vary but typically range from $50 to $150 for parts and labor, depending on whether the ignition relay or other components need replacement.

10. Can I clear the B2098 code without repairing it?

Clearing the code without addressing the root cause will only temporarily remove it, as the issue will likely trigger the code again.

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