AutoCodes – GMC – B1000 2018 GMC Sierra

B1000 2018 GMC Sierra Code - Electronic Control Unit

Quick Answer

The internal fault detection is handled inside the Electronic Control Unit (ECU). Common causes include Faulty Electronic Control Unit (ECU), Electronic Control Unit harness is open or shorted, Electronic Control Unit 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: B1000 2018 GMC Sierra indicates Electronic Control Unit.
Common causes: Common causes include Faulty Electronic Control Unit (ECU), Electronic Control Unit harness is open or shorted, Electronic Control Unit 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 320

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 04, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B1000 2018 GMC Sierra Description

The internal fault detection is handled inside the Electronic Control Unit (ECU). The symptom byte information is for engineering reference only. No external circuit diagnosis is involved. The Diagnostic Trouble Code (DTC) will be set when the device has detected an internal malfunction. If DTC B1000 is set, replace the device that sets the DTC.

OBDII Code B1000 2018 GMC Sierra - Electronic Control Unit - AutoCodes.com — B1000 2018 GMC Sierra Code - Electronic Control Unit

What does this mean?

What are the Possible Causes of the DTC B1000 2018 GMC Sierra?

Faulty Electronic Control Unit (ECU)
Electronic Control Unit harness is open or shorted
Electronic Control Unit circuit poor electrical connection

How to Fix the DTC B1000 2018 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

B1000:00 Electronic Control Unit (ECU) Performance No Additional Information Available
B1000:04 Side Object Detection Performance - RAM Failure
B1000:08 Electronic Control Unit Performance Signal Invalid
B1000:12 Electronic Control Unit Performance Below Minimum Threshold
B1000:31 Electronic Control Unit General Checksum Problem
B1000:33 Electronic Control Unit Performance Special Memory Failure
B1000:34 Electronic Control Unit Performance RAM Integrity
B1000:35 Electronic Control Unit Performance ROM Integrity
B1000:36 Electronic Control Unit Performance EEPROM Integrity
B1000:37 Electronic Control Unit Performance Watchdog / Safety Failure
B1000:38 Electronic Control Unit Performance Supervision Software Failure
B1000:39 Electronic Control Unit Performance Internal Electronic Failure
B1000:43 Electronic Control Unit Performance EEPROM Error
B1000:46 Side Object Detection Performance - Invalid Configuration
B1000:56 Electronic Control Unit Performance Allowable Number of Transitions/Events Exceeded
B1000:57 Electronic Control Unit Performance
B1000:73 Electronic Control Unit Performance Parity Error
B1000:0F Electronic Control Unit Performance Erratic
B1000:2B Electronic Control Unit Performance Missing Reference
B1000:2C Electronic Control Unit Performance Reserved
B1000:3B Electronic Control Unit Performance Internal Self-Test Failed
B1000:3C Electronic Control Unit Performance Internal Communications Failure
B1000:4A Side Object Detection Performance - PROM Checksum Error
B1000:F0 Side Object Detection RF Transmit Chain Failed
B1000:F1 Side Object Detection RF Receive Chain Failed
B1000:F2 Side Object Detection Frequency Calibration Failure
B1000:F3 Side Object Detection Inter-Processor Communication Failed

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1000 2018 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.

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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 B1000 2018 GMC Sierra Code

1. What is OBDII code B1000 on a 2018 GMC Sierra?

The OBDII code B1000 on a 2018 GMC Sierra is related to the Electronic Control Unit (ECU) communication error.

2. What are some common symptoms of OBDII code B1000 on a 2018 GMC Sierra?

Common symptoms of OBDII code B1000 on a 2018 GMC Sierra may include issues with starting the vehicle, malfunctioning dashboard lights, or unresponsive electronic components.

3. What are the potential causes of OBDII code B1000 on a 2018 GMC Sierra?

Potential causes of OBDII code B1000 on a 2018 GMC Sierra include a faulty ECU, wiring problems, loose connections, or a software glitch.

4. How can I diagnose OBDII code B1000 on a 2018 GMC Sierra?

Diagnosing OBDII code B1000 on a 2018 GMC Sierra typically involves using a diagnostic scanner to retrieve the specific error code and checking the ECU connections for any issues.

5. Can OBDII code B1000 on a 2018 GMC Sierra be repaired at home?

Repairing OBDII code B1000 on a 2018 GMC Sierra at home may be possible depending on the cause. Simple fixes like checking and securing connections can sometimes resolve the issue.

6. Should I continue driving my 2018 GMC Sierra with OBDII code B1000?

It is not recommended to continue driving your 2018 GMC Sierra with OBDII code B1000, as it may lead to further electrical problems or potential safety issues.

7. How much does it cost to repair OBDII code B1000 on a 2018 GMC Sierra?

The cost to repair OBDII code B1000 on a 2018 GMC Sierra can vary depending on the underlying cause. It is advisable to get a professional diagnosis to determine the exact repair cost.

8. Can OBDII code B1000 on a 2018 GMC Sierra cause other codes to appear?

Yes, OBDII code B1000 on a 2018 GMC Sierra may trigger other related error codes if the issue is not addressed promptly.

9. Is it safe to reset the OBDII code B1000 on a 2018 GMC Sierra using a diagnostic tool?

Resetting OBDII code B1000 on a 2018 GMC Sierra using a diagnostic tool is safe, but it is important to address the root cause of the issue to prevent the code from reappearing.

10. How long does it take to repair OBDII code B1000 on a 2018 GMC Sierra?

The time it takes to repair OBDII code B1000 on a 2018 GMC Sierra can vary depending on the complexity of the issue and the availability of parts. Simple fixes may take a short time, while more involved repairs could take longer.