AutoCodes – Generic – B27D2

B27D2 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 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 1,869

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 Description

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

What does this mean?

What are the Possible Causes of the DTC B27D2?

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?

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 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 code?

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

Need Help with the Code?

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

Information for Specific Makes

B27D2 Infiniti — Starter Cut Relay On Stuck
B27D2 Nissan — Starter Cut Relay On Stuck

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 Code

1. What are common symptoms of OBDII code B27D2 (Starter Cut Relay On Stuck)?

The common symptoms include difficulty starting the vehicle, engine cranking but not starting, and the starter staying engaged even after the engine has started.

2. What are the possible causes of OBDII code B27D2 (Starter Cut Relay On Stuck)?

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

3. How serious is OBDII code B27D2 (Starter Cut Relay On Stuck)?

This code can be serious as it can prevent the engine from starting or cause damage to the starter motor if left unresolved.

4. How can I diagnose OBDII code B27D2 (Starter Cut Relay On Stuck)?

Diagnosis typically involves checking the starter cut relay, inspecting the ignition switch, testing the wiring for continuity, and scanning the vehicle's computer for additional fault codes.

5. Can I still drive my vehicle with OBDII code B27D2 (Starter Cut Relay On Stuck)?

It is not recommended to drive the vehicle with this code as it may lead to starting issues or potential damage to the starter system.

6. How can OBDII code B27D2 (Starter Cut Relay On Stuck) be repaired?

Repair options include replacing the faulty starter cut relay, addressing any wiring issues, fixing the ignition switch if necessary, or reprogramming the engine control module.

7. Will resetting the OBDII code B27D2 (Starter Cut Relay On Stuck) make it go away permanently?

Resetting the code may temporarily clear the warning, but if the underlying issue is not fixed, the code is likely to return.

8. Can a DIY enthusiast fix OBDII code B27D2 (Starter Cut Relay On Stuck)?

Depending on the skill level and tools available, some enthusiasts may be able to diagnose and fix the issue themselves, especially if it involves simple tasks like replacing a relay.

9. How much does it cost to repair OBDII code B27D2 (Starter Cut Relay On Stuck)?

The cost of repair can vary depending on the cause of the issue, the parts needed, and whether professional labor is required. It is advisable to consult a mechanic for an accurate estimate.

10. Is it necessary to have OBDII code B27D2 (Starter Cut Relay On Stuck) fixed immediately?

While the vehicle may still operate with this code present, it is best to address the issue promptly to avoid potential starting problems or further damage to the starter system.