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2014-Present GMC Sierra Repair Forum

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2014-Present GMC Sierra

2014-Present GMC Sierra questions

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2014-Present GMC Sierra

1 Answer

Why does my 2018 gmc have a blue screen when in reverse?

2014-Present GMC Sierra 1 Answer

jayeff 543.7k

Answered

5 days agoJul 6, 2026

answered 5 days agoJul 6, 2026 by jayeff

2014-Present GMC Sierra

1 Answer

How do I replace the cabin air filter

2014-Present GMC Sierra 1 Answer

Albert Einstein 1k

Commented

Jul 3, 2026

commented Jul 3, 2026 by Albert Einstein

2014-Present GMC Sierra

1 Answer

Intermittent no start 2016 GMC Sierra 1500

2014-Present GMC Sierra 1 Answer

Answered

Jun 25, 2026

answered Jun 25, 2026 by F Dryer

2014-Present GMC Sierra

0 Answers

Why is my front control arm bolts not staying tight?

unanswered 2014-Present GMC Sierra 0 Answers

jayeff 543.7k

Commented

Jun 9, 2026

commented Jun 9, 2026 by jayeff

2014-Present GMC Sierra

1 Answer

How do you replace the AC condenser?

2014-Present GMC Sierra 1 Answer

Adam Lovette 279

Answered

May 26, 2026

answered May 26, 2026 by Adam Lovette

2014-Present GMC Sierra

3 Answers

Automatic running board not working how ti fix it?

2014-Present GMC Sierra 3 Answers

نواف الذهلي

Answered

Apr 25, 2026

answered Apr 25, 2026 by نواف الذهلي

2014-Present GMC Sierra

0 Answers

stuck in 4 wheel drive

unanswered 2014-Present GMC Sierra 0 Answers

Asked

Apr 11, 2026

asked Apr 11, 2026 by Patty Casey

2014-Present GMC Sierra

0 Answers

2018 Denali window controls not working

unanswered 2014-Present GMC Sierra 0 Answers

Asked

Mar 24, 2026

asked Mar 24, 2026 by Derek

2014-Present GMC Sierra

1 Answer

truck does not recognize the driver's door is open

2014-Present GMC Sierra 1 Answer

Commented

Jan 20, 2026

commented Jan 20, 2026 by rf_burns

2014-Present GMC Sierra

1 Answer

Air bag light on

2014-Present GMC Sierra 1 Answer

Nick 104.9k

Answered

Jan 4, 2026

answered Jan 4, 2026 by Nick

2014-Present GMC Sierra

0 Answers

Glow plug location of duramax 3.0

unanswered 2014-Present GMC Sierra 0 Answers

Asked

Dec 2, 2025

asked Dec 2, 2025 by Timothy Tang

2014-Present GMC Sierra

0 Answers

لماذا تحتاج الى الكثير من الوقود؟

unanswered 2014-Present GMC Sierra 0 Answers

Markus Norstrøm 503

Commented

Aug 31, 2025

commented Aug 31, 2025 by Markus Norstrøm

2014-Present GMC Sierra

1 Answer

Do you have a layout of all fuses and relays

2014-Present GMC Sierra 1 Answer

jayeff 543.7k

Answered

Aug 26, 2025

answered Aug 26, 2025 by jayeff

2014-Present GMC Sierra

1 Answer

My on-star light is off and it doesn’t want to turn on

2014-Present GMC Sierra 1 Answer

Answered

Aug 19, 2025

answered Aug 19, 2025 by om1gc

2014-Present GMC Sierra

1 Answer

Power Lock Partially Functional (Driver Rear)

accepted 2014-Present GMC Sierra 1 Answer

Ben 11

Accepted an answer

Aug 4, 2025

answer accepted Aug 4, 2025 by Ben

2014-Present GMC Sierra

0 Answers

brake lock on sharp turn

unanswered 2014-Present GMC Sierra 0 Answers

Charles Etheridge

Asked

May 27, 2025

asked May 27, 2025 by Charles Etheridge

2014-Present GMC Sierra

1 Answer

Starter failing. Can I diy?

2014-Present GMC Sierra 1 Answer

Montgomery James Kern 1.1k

Answer edited

Jun 16, 2024

answer edited Jun 16, 2024 by Montgomery James Kern

2014-Present GMC Sierra

0 Answers

After a battery swap lost half of my electronics.

unanswered 2014-Present GMC Sierra 0 Answers

Tran Anh Khoa (Kyle) 79

Commented

Mar 23, 2024

commented Mar 23, 2024 by Tran Anh Khoa (Kyle)

2014-Present GMC Sierra

1 Answer

Battery gauge reading 14 then drops to 12ish

accepted 2014-Present GMC Sierra 1 Answer

Commented

Dec 25, 2023

commented Dec 25, 2023 by Doug

2014-Present GMC Sierra

1 Answer

My back sensors are not working

2014-Present GMC Sierra 1 Answer

jayeff 543.7k

Answer edited

May 24, 2023

answer edited May 24, 2023 by jayeff