AutoCodes – Nissan – B27D1 Nissan

B27D1 Nissan Code - Starter Cut Relay Off 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 OFF 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: B27D1 Nissan indicates Starter Cut Relay Off 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.

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Code Popularity 11,437

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Feb 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B27D1 Nissan Description

OBDII Code B27D1 Nissan - Starter Cut Relay Off Stuck - AutoCodes.com — B27D1 Nissan Code - Starter Cut Relay Off Stuck

What does this mean?

What are the Possible Causes of the DTC B27D1 Nissan?

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 B27D1 Nissan?

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 B27D1 Nissan 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 B27D1 Nissan code?

Need more information on how to fix the B27D1 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B27D1 Nissan 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 B27D1 Nissan Code

1. What are the common symptoms of OBDII code B27D1 in a Nissan related to the Starter Cut Relay Off Stuck issue?

The common symptoms include the engine not starting, difficulty starting the vehicle, and the starter not engaging when the key is turned.

2. What does the OBDII code B27D1 in a Nissan indicate about the Starter Cut Relay Off Stuck problem?

This code indicates that the Starter Cut Relay is not functioning correctly, causing the starter to remain off and preventing the engine from starting.

3. What are some possible causes of the Starter Cut Relay Off Stuck issue in a Nissan triggering the B27D1 code?

Possible causes include a faulty Starter Cut Relay, a malfunctioning ignition switch, wiring issues, or a problem with the engine control module (ECM).

4. How can one diagnose the Starter Cut Relay Off Stuck problem associated with OBDII code B27D1 in a Nissan?

Diagnosis involves checking the Starter Cut Relay for proper operation, inspecting the ignition switch for any faults, examining the wiring for damage, and testing the ECM for functionality.

5. What are some tips for repairing the Starter Cut Relay Off Stuck issue in a Nissan triggering the B27D1 code?

Repair tips may include replacing the faulty Starter Cut Relay, fixing any wiring issues, ensuring proper connections, testing and, if necessary, replacing the ignition switch, and reprogramming or replacing the ECM.

6. Can driving with the OBDII code B27D1 related to the Starter Cut Relay Off Stuck problem in a Nissan be dangerous?

Driving with this issue is not recommended as it can lead to potential safety hazards, such as the vehicle stalling unexpectedly or failing to start in critical situations.

7. Is it possible to reset the OBDII code B27D1 in a Nissan without addressing the Starter Cut Relay Off Stuck problem?

While you can clear the code temporarily, it is essential to address the underlying issue causing the code to prevent recurring problems with the starter and engine starting.

8. How much does it typically cost to repair the Starter Cut Relay Off Stuck issue triggering OBDII code B27D1 in a Nissan?

The cost of repair can vary depending on the specific cause of the problem, but it may involve parts and labor expenses ranging from $100 to $500 or more, depending on the extent of the repairs needed.

9. What are the long-term implications of ignoring the OBDII code B27D1 related to the Starter Cut Relay Off Stuck issue in a Nissan?

Ignoring this code can lead to further damage to the starter system, potential engine issues, and increased repair costs over time if left unresolved.

10. Can a DIY enthusiast with automotive knowledge fix the Starter Cut Relay Off Stuck problem triggering OBDII code B27D1 in a Nissan?

While some repairs may be possible for those with the necessary skills and tools, addressing complex issues like this may require professional expertise to ensure proper diagnosis and repair.