AutoCodes – GMC – B101E 2017 GMC Sierra

B101E 2017 GMC Sierra Code - Electronic Control Unit Software

Quick Answer

Some Electronic Control Units must be configured with specific software, serial numbers, vehicle options, or other information. Common causes include Reprogram Electronic Control Unit, Faulty Electronic Control Unit, Electronic Control Unit harness is open or shorted. 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: B101E 2017 GMC Sierra indicates Electronic Control Unit Software.
Common causes: Common causes include Reprogram Electronic Control Unit, Faulty Electronic Control Unit, Electronic Control Unit harness is open or shorted.
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 345

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 Apr 06, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B101E 2017 GMC Sierra Description

Some Electronic Control Units must be configured with specific software, serial numbers, vehicle options, or other information. If an Electronic Control Unit was not properly configured after installation that module may set Diagnostic Trouble Code (DTC) B101E. The symptom byte information is for engineering reference only. No external circuit diagnosis is involved.

OBDII Code B101E 2017 GMC Sierra - Electronic Control Unit Software - AutoCodes.com — B101E 2017 GMC Sierra Code - Electronic Control Unit Software

What does this mean?

What are the Possible Causes of the DTC B101E 2017 GMC Sierra?

Reprogram Electronic Control Unit
Faulty Electronic Control Unit
Electronic Control Unit harness is open or shorted
Electronic Control Unit circuit poor electrical connection

How to Fix the DTC B101E 2017 GMC Sierra?

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 does this mean?

Code Tech Notes

When the Diagnostic Trouble Code (DTC) B101E is set, it will affect only the Electronic Control Unit the code is set. Before replacing the Electronic Control Unit try reprogramming the Electronic Control Unit software.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B101E 2017 GMC Sierra 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 B101E 2017 GMC Sierra 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 B101E 2017 GMC Sierra Code

1. What does OBDII code B101E for a 2017 GMC Sierra indicate?

The B101E code for a 2017 GMC Sierra refers to a problem with the Electronic Control Unit (ECU) software.

2. What are common symptoms of OBDII code B101E in a 2017 GMC Sierra?

Common symptoms of code B101E in a 2017 GMC Sierra may include issues with engine performance, strange dashboard warning lights, or difficulty starting the vehicle.

3. What are the possible causes of OBDII code B101E in a 2017 GMC Sierra?

Potential causes of code B101E in a 2017 GMC Sierra include software glitches, ECU malfunctions, wiring issues, or a faulty sensor.

4. How can I diagnose OBDII code B101E in my 2017 GMC Sierra?

Diagnosing code B101E typically involves using an OBDII scanner to retrieve the specific fault code, checking the ECU connections, inspecting wiring for damage, and verifying sensor functionality.

5. Can I still drive my 2017 GMC Sierra with OBDII code B101E?

It is not recommended to drive your 2017 GMC Sierra with an active B101E code, as it can potentially lead to further damage or unsafe driving conditions.

6. How can I clear OBDII code B101E in my 2017 GMC Sierra?

To clear the B101E code in a 2017 GMC Sierra, you can use an OBDII scanner to reset the fault codes after addressing the underlying issue.

7. Is it safe to reset the OBDII code B101E in my 2017 GMC Sierra without fixing the problem?

Resetting the B101E code without fixing the underlying issue is not recommended, as the problem may persist and potentially lead to more severe issues down the line.

8. Can a DIY enthusiast repair OBDII code B101E in a 2017 GMC Sierra?

Depending on the specific cause of the B101E code, some DIY enthusiasts may be able to address the issue by checking connections, inspecting wiring, or replacing sensors. However, more complex ECU-related problems may require professional intervention.

9. How much does it typically cost to repair OBDII code B101E in a 2017 GMC Sierra?

The cost of repairing code B101E in a 2017 GMC Sierra can vary depending on the root cause of the issue, with potential expenses including labor costs, replacement parts, and diagnostic fees.

10. How often does OBDII code B101E occur in a 2017 GMC Sierra?

The occurrence of OBDII code B101E in a 2017 GMC Sierra can vary, but it is relatively uncommon compared to more prevalent codes related to engine and emissions systems.