Engine-Codes.com
Engine-Codes – GMC – B1045 2017 GMC Sierra

B1045 2017 GMC Sierra Code - Left Rear Door Audio Output 3 Circuit

Quick Answer

The B1045 code for a 2017 GMC Sierra specifically points to an issue with the Left Rear Door Audio Output 3 Circuit. Common causes include Faulty audio output module, Damaged wiring or connectors in the circuit, Malfunctioning speaker in the left rear door. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B1045 2017 GMC Sierra indicates Left Rear Door Audio Output 3 Circuit.
Common causes
Common causes include Faulty audio output module, Damaged wiring or connectors in the circuit, Malfunctioning speaker in the left rear door.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B1045 2017 GMC Sierra Description

The B1045 code for a 2017 GMC Sierra specifically points to an issue with the Left Rear Door Audio Output 3 Circuit. This means that there is a malfunction or fault in the circuit that controls the audio output for the left rear door of the vehicle. This circuit is responsible for transmitting audio signals from the audio system to the speaker in the left rear door, allowing for sound to be played through that particular speaker.

OBDII Code B1045 2017 GMC Sierra - Left Rear Door Audio Output 3 Circuit
B1045 2017 GMC Sierra Code - Left Rear Door Audio Output 3 Circuit

Common Causes of B1045 2017 GMC Sierra

  1. Faulty audio output module
  2. Damaged wiring or connectors in the circuit
  3. Malfunctioning speaker in the left rear door
  4. Software glitch in the vehicle's audio system
  5. Water damage or corrosion affecting the circuit components

Symptoms of B1045 2017 GMC Sierra

  1. No sound coming from the left rear speaker
  2. Distorted or poor-quality sound from the left rear speaker
  3. Audio cutting in and out intermittently from the left rear speaker
  4. Audio system displaying error messages related to the left rear door audio output
  5. In some cases, complete audio system failure

How to Fix B1045 2017 GMC Sierra

  1. Begin by conducting a comprehensive diagnostic scan of the vehicle's audio system to confirm the B1045 code and pinpoint the exact location of the issue.
  2. Inspect the wiring and connectors in the left rear door audio circuit for any signs of damage, corrosion, or loose connections.
  3. Test the left rear speaker for functionality and replace it if necessary.
  4. Check the audio output module for any faults or malfunctions and replace it if needed.
  5. If a software glitch is suspected, perform a reset or update of the vehicle's audio system to resolve the issue.

Cost to Fix B1045 2017 GMC Sierra

The typical repair costs for addressing a B1045 code in a 2017 GMC Sierra can vary depending on the exact cause of the issue and the specific parts and labor required for the repair. In general, the cost estimate for this type of repair could range from $150 to $400, including parts and labor. However, it is essential to keep in mind that the actual cost may vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the specific diagnosis time and labor rates charged by the technician. It is advisable to consult with a trusted auto repair shop for a more accurate estimate tailored to your individual circumstances.

What does this mean?

Tech Notes for B1045 2017 GMC Sierra

B1045:01 Left Rear Door Audio Output 3 Circuit Short to Battery

B1045:02 Left Rear Door Audio Output 3 Circuit Short to Ground

B1045:04 Left Rear Door Audio Output 3 Circuit Open









User Submitted Video

Need more information about the B1045 2017 GMC Sierra code?

Need more information on how to fix the B1045 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1045 2017 GMC Sierra 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 B1045 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code B1045 in a 2017 GMC Sierra related to the Left Rear Door Audio Output 3 Circuit?

The common symptoms include no sound from the left rear door speaker, distorted audio, or complete audio loss from that speaker.

2. What are the possible causes of OBDII code B1045 in a 2017 GMC Sierra?

Possible causes could be a faulty speaker, damaged wiring, a loose connection, or a malfunctioning audio amplifier in the left rear door.

3. How can I diagnose the issue causing OBDII code B1045 in my 2017 GMC Sierra?

You can start by visually inspecting the speaker, wiring, and connections in the left rear door. Using a multimeter to test for continuity and voltage along the audio circuit can help pinpoint the problem.

4. Can I repair OBDII code B1045 in my 2017 GMC Sierra at home?

Repairing this code may require basic automotive electrical knowledge and tools. If the issue is with the speaker or wiring, it can potentially be fixed at home. However, complex audio system problems may need professional diagnosis and repair.

5. Is it safe to continue driving my 2017 GMC Sierra with OBDII code B1045 related to the Left Rear Door Audio Output 3 Circuit?

While the vehicle is safe to drive with this code, it is recommended to address the issue promptly to avoid further damage to the audio system.

6. How much does it typically cost to repair OBDII code B1045 in a 2017 GMC Sierra?

The cost of repair can vary depending on the exact cause of the issue. Simple fixes like replacing a speaker or fixing a loose connection may be relatively inexpensive, while more complex problems could be costly.

7. Can resetting the OBDII system clear the B1045 code in my 2017 GMC Sierra?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the B1045 code is not addressed, it is likely to return.

8. Are there any recalls or technical service bulletins related to OBDII code B1045 in a 2017 GMC Sierra?

It's advisable to check with GMC or a certified dealership to see if there are any recalls or technical service bulletins related to this specific OBDII code in your vehicle.

9. Will fixing OBDII code B1045 in my 2017 GMC Sierra require specialized diagnostic equipment?

While basic diagnostic tools like a multimeter can help in diagnosing the issue, some repairs may require specialized diagnostic equipment to troubleshoot the audio system accurately.

10. Can extreme weather conditions affect the occurrence of OBDII code B1045 in a 2017 GMC Sierra?

Extreme weather conditions, such as temperature fluctuations or moisture exposure, can potentially impact the audio components in the vehicle and contribute to issues like the B1045 code.

Discuss the causes and fixes for B1045 2017 GMC Sierra OBDII Code

Submit a New Comment

Code B1045 2017 GMC Sierra comments

No comments found for this page.