AutoCodes – Infiniti – B27D2 Infiniti

B27D2 Infiniti Code - Starter Cut Relay On Stuck

Quick Answer

The Diagnostic Trouble Code (DTC) sets when comparing the starter cut relay signal (CAN) from Intelligent Power Distribution Module Engine Room (IPDM E/R), Body Control Module (BCM) detects that starter cut relay is stuck in the ON position for 1 second or more. Common causes include Faulty Starter Cut Relay, Starter Cut Relay harness is open or shorted, Starter Cut 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: B27D2 Infiniti indicates Starter Cut Relay On Stuck.
Common causes: Common causes include Faulty Starter Cut Relay, Starter Cut Relay harness is open or shorted, Starter Cut 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 626

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 Feb 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B27D2 Infiniti Description

OBDII Code B27D2 Infiniti - Starter Cut Relay On Stuck - AutoCodes.com — B27D2 Infiniti Code - Starter Cut Relay On Stuck

What does this mean?

What are the Possible Causes of the DTC B27D2 Infiniti?

Faulty Starter Cut Relay
Starter Cut Relay harness is open or shorted
Starter Cut Relay circuit poor electrical connection
Faulty Body Control Module (BCM)
Faulty Intelligent Power Distribution Module Engine Room (IPDM E/R)

How to Fix the DTC B27D2 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 B27D2 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 B27D2 Infiniti code?

Need more information on how to fix the B27D2 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B27D2 Infiniti code diagnosed by a professional: Find a repair shop in your area

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 B27D2 Infiniti Code

1. What is the OBDII code B27D2 for Infiniti?

The code B27D2 in an Infiniti indicates a problem with the Starter Cut Relay On being stuck.

2. What are the common symptoms of a Starter Cut Relay On stuck issue?

Common symptoms include the engine not starting, the starter motor not engaging, and the vehicle failing to turn over.

3. What are possible causes of the Starter Cut Relay On stuck issue?

Potential causes include a faulty starter cut relay, wiring issues, a malfunctioning ignition switch, or a problem with the engine control module (ECM).

4. How can I diagnose the Starter Cut Relay On stuck problem in my Infiniti?

Diagnosis typically involves checking the starter cut relay for proper operation, inspecting the wiring for any damage, and testing the ignition switch and ECM for faults using a diagnostic scanner.

5. Can I drive my Infiniti with the Starter Cut Relay On stuck issue?

It is not recommended to drive your vehicle with a Starter Cut Relay On stuck problem as it may result in the engine not starting unexpectedly, leaving you stranded.

6. How can I repair a Starter Cut Relay On stuck issue in my Infiniti?

Repair options include replacing the faulty starter cut relay, repairing any damaged wiring, addressing issues with the ignition switch, or reprogramming the ECM if necessary.

7. Will resetting the ECU clear the B27D2 code related to the Starter Cut Relay On stuck issue?

Resetting the ECU may temporarily clear the code, but it is important to diagnose and fix the root cause of the problem to prevent the code from reappearing.

8. Are there any preventive measures to avoid the Starter Cut Relay On stuck issue in my Infiniti?

Regular maintenance checks, ensuring proper electrical connections, and addressing any issues promptly can help prevent the Starter Cut Relay On stuck issue in your Infiniti.

9. Can a DIY enthusiast fix the Starter Cut Relay On stuck issue, or should I seek professional help?

Depending on your expertise and access to tools, you may be able to address simple issues like checking and replacing the relay. However, complex electrical and ECM-related problems are best left to professional technicians.

10. How long does it typically take to repair a Starter Cut Relay On stuck issue in an Infiniti?

The repair time can vary depending on the exact cause of the problem, but it may take anywhere from an hour for simple fixes like relay replacement to several hours for more extensive diagnostics and repairs involving the ECM or wiring.