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5.3

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
18,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2021 Chevrolet Suburban electrical problems

electrical problem

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2021 Chevrolet Suburban Owner Comments

problem #5

Nov 282023

Suburban

  • 90,000 miles

A D V E R T I S E M E N T S

The contact owns a 2021 Chevrolet Suburban. The contact stated while driving 45-55 MPH, the vehicle lost motive power inadvertently. There was no warning light illuminated. The contact was able to veer to the side of the road. The vehicle failed to restart and was towed to the dealer, where it was diagnosed that the fuel pump power control module had failed and needed to be replaced. Additionally, the dealer informed the contact that the battery needed to be replaced. The contact related the failure to NHTSA Campaign Number: 21V739000 (Fuel System, Gasoline) however, the dealer informed the contact that the VIN was not included. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 90,000.

- Oxford, FL, USA

problem #4

Dec 292021

Suburban

  • miles
Multiple issues with transmission since owned. It randomly goes into "limp" mode and everything will blink and it won't start back. The transmission has always shifted hard and sounded funny they told me if was normal for the vehicle. Leaking transmission fluid when owned for 4 months. I have had to the dealer multiple times, several repairs, told it is safe to keep driving by GM. The inverter is bad and told me it was ok to drive until they can repair. GM will not give me a fair response or answer. The dealership won't buyback, and offered to purchase for nearly 30k less than I bought it for 18 months ago brand new. The engine light comes on and off randomly told me it was ok with a diesel it may do that when it gets cold.

- Pikeville, KY, USA

problem #3

Nov 132021

Suburban

  • miles
Car suddenly swerved, loud knocking started. Multiple system failures started flashing. Forward collision, ECS, traction control, the car was vibrating, jerky. I have multiple videos as well. The dealership literally told me they-€™d seen a ton of these when I called immediately and then told me to keep driving because the damage was done and if the engine died well then it-€™s under warranty. I have 3 children under 5 and that is NOT an appropriate answer when I asked about it being safe to drive considering it-€™s jerky/shaking/knocking, and has multiple systems down. I-€™ve also googled and joined forums and this is apparently a common issue in the 2021 V8s and Chevy refuses to issue a recall. Would be more than happy to provide videos as well it won-€™t let me upload them with the photos. Was told it could be weeks before they even have parts

- Springdale, AR, USA

problem #2

May 062021

Suburban

  • miles
We have had several incidents of issues with the engine and electrical system. There are as follows: - NO CHECK ENGINE LIGHTS and engine failed. - Engine continues to be sluggish and hesitant. Headlights do not come on when in "auto" and it is dark outside. - Doors lock with the keys inside and the engine is off. - Keys are showing in sleep mode or not present when they are present. The engine went down on May 6, 2021 and I was on the highway with 2 of my children. I could not accelerate. There was traffic and could not keep up. I was able to get the truck to the delearship to have inspected and repair attempted. NO check engine lights.

- Folsom, LA, USA

problem #1

Jun 102021

Suburban

  • miles
This evening while driving the windshield wipers started (while the wipers were in the off position). When using the turning signal it speeds up to approximately 3 times the normal speed. The display says the back hatch is open and the cargo light is on (the back hatch is closed). We turned off the car multiple times and the conditions persist.

- Caledonia , NY, USA

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