2023 Gmc SIERRA 1500

Problems, Recalls & Reliability Report

Avoid This Year

Quick Summary

The 2023 Gmc SIERRA 1500 has 533 owner complaints filed with NHTSA — that's 6.7x the segment average of 80. The most common issue is engine problems (37% of all complaints), specifically: at just 600 miles, the 2023 gmc sierra 3.0 duramax gave out a check engine light. the code reader displayed a p0402. the truck had a very strong fume odor. the truck was taken to service two times. gm engineering made tests on the truck and concluded that the truck needs to be reprogrammed. i have a. ⚠️ 3 fire reports filed.

3 fire reports 7 crash reports 2 injuries

533

Total Complaints

Recalls Issued

—/5

Safety Stars

6.7x

vs Segment Avg

Known Problems

ENGINE

195 complaints

37%

• At just 600 miles, the 2023 GMC Sierra 3.0 Duramax gave out a check engine light. The code reader displayed a P0402. The truck had a very strong fume odor. The truck was taken to service two times. GM engineering made tests on the truck and concluded that the truck needs to be reprogrammed. I have a
• The contact owns a 2023 GMC Sierra 1500. The contact stated while driving approximately 60 MPH, the vehicle inadvertently decelerated to approximately 30 MPH and went into LIMP Mode. The check engine warning light, the service power steering warning light, the service transmission warning light, the
• TRUCK HAS DIED GOING DOWN THE ROAD AT 40MPH. ALSO HAVE ELECTRICAL ISSUES WITH RADIO..RUNNING BOARDS OPENING GOING DOWN THE ROAD. NO SOUND FROM RADIO, SIGNALS ...NO CONNECTIONS TO GOOGLE ON STAR LOST. RADIO SCREEN HALF OF SCREEN SHUTS OFF. FRONT CRASH SENSORS GO OFF WITH NOTING IN FRONT OF VEHICLE...

Typical onset: 50K miles Est. repair: $500💥 3 crashes

“At just 600 miles, the 2023 GMC Sierra 3.0 Duramax gave out a check engine light. The code reader displayed a P0402. The truck had a very strong fume odor. The truck was taken to service two times. GM engineering made tests on the truck and concluded that the truck needs to be reprogrammed. I have a”

— NHTSA complaint filing

TRANSMISSION

77 complaints

14%

• The truck jolts forward when approaching a complete stop. I have to prepare for it as I decelerate 10mph to 5mph to complete stop.
• Leaking Diesel fuel, Leaking oil from the rear of the transfer case, making a claunking noise at the rear suspension, My safety is at risk for a possible fire and a crash from the Leaking oil. The vehicle was diagnosed with this problems on [XXX] at Caguas Chevrolet & GMC, also called United Collect
• The contact owns a 2023 GMC Sierra 1500. The contact stated while driving at an undisclosed speed, the vehicle started to shake abnormally with the check engine warning light illuminated. The contact stated that after arriving at a parking structure, the transmission warning light illuminated. The v

Typical onset: 50K miles Est. repair: $500💥 2 crashes

“The truck jolts forward when approaching a complete stop. I have to prepare for it as I decelerate 10mph to 5mph to complete stop.”

— NHTSA complaint filing

BODY/STRUCTURE

58 complaints

11%

• In past three weeks, the tailgate just drops down for no reason at all. Sometimes going down the highway, other times while I am parking vehicle the Tailgate Lowers itself automatically.????Is their a recall out for this, if not should be as you can lose portions of a load in the bed, right out in h
• I have approximately 7K miles on my truck. The problem I am reporting is the omission of a warning light or some other method of warning if the tailgate which is electronically controlled by a button center near the console, central to and just above an area provided for storage of loose personal
• Tailgate opens by itself, a know issue by GM and Sierra drivers. Mine was damaged by opening and banging against my travel trailer. I have been talking with GM about this since September. Today a different department told me they require up to 30 days to investigate and if I pay for the repairs m

Typical onset: 50K miles Est. repair: $500

“In past three weeks, the tailgate just drops down for no reason at all. Sometimes going down the highway, other times while I am parking vehicle the Tailgate Lowers itself automatically.????Is their a recall out for this, if not should be as you can lose portions of a load in the bed, right out in h”

— NHTSA complaint filing

ELECTRICAL

53 complaints

10%

• The infotainment system loses all audio through the speakers intermittently. when this happens I also lose the Safety warning chimes as well. shutting off the vehicle for an extended period of time resets something and it resumes normal function. I have contacted GM customer service and spoke to 3 d
• Battery - Total discharge of the battery. 2023 GMC Sierra Denali purchased in Jan 2023. In July 2023, vehicle with 3800 miles door would not open, engine turn on, etc with electrical system completely inoperable. Upon checking the battery, it had 0% charge.
• Upon start up the HVAC fan speed reduces by self and will not increase by own in auto mode.

Typical onset: 50K miles Est. repair: $500🔥 2 fire reports💥 2 crashes

“The infotainment system loses all audio through the speakers intermittently. when this happens I also lose the Safety warning chimes as well. shutting off the vehicle for an extended period of time resets something and it resumes normal function. I have contacted GM customer service and spoke to 3 d”

— NHTSA complaint filing

OTHER

43 complaints

• I sent my vehicle to the dealer, Brandywine GMC dealer in Bradywine MD. To have my fluids topped off upon receipt of my truck the next day my truck broke down. I sent my truck back to the dealer where they said Def was placed into the diesel tank by me, which was a lie. I filed an insurance claim be
• Bose radio randomly goes to maximum volume and you cant turn if off. This has happened twice and nearly cause wrecks each time trying to get out of traffic to turn the vehicle off.
• Sunroof glass shattered. This is the first summer for the truck. Travelling at ~75MPH the sunroof glass shattered. Neither driver nor passenger saw any objects in the air. I was not travelling under an overpass. Over the last 2 months I have been awaiting repair I have tried various methods to

Typical onset: 50K miles Est. repair: $500

“I sent my vehicle to the dealer, Brandywine GMC dealer in Bradywine MD. To have my fluids topped off upon receipt of my truck the next day my truck broke down. I sent my truck back to the dealer where they said Def was placed into the diesel tank by me, which was a lie. I filed an insurance claim be”

— NHTSA complaint filing

Estimated Repair Costs

ENGINE(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

BODY/STRUCTURE(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

OTHER(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 533 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: At just 600 miles, the 2023 GMC Sierra 3.0 Duramax gave out a check engine light. The code reader displayed a P0402. The truck had a very strong fume odor. The truck was taken to service two times. GM engineering made tests on the truck and concluded that the truck needs to be reprogrammed. I have a
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: The truck jolts forward when approaching a complete stop. I have to prepare for it as I decelerate 10mph to 5mph to complete stop.
Typically appears around 50K miles. Repair cost ~$500
☐
BODY/STRUCTURE: In past three weeks, the tailgate just drops down for no reason at all. Sometimes going down the highway, other times while I am parking vehicle the Tailgate Lowers itself automatically.????Is their a recall out for this, if not should be as you can lose portions of a load in the bed, right out in h
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: The infotainment system loses all audio through the speakers intermittently. when this happens I also lose the Safety warning chimes as well. shutting off the vehicle for an extended period of time resets something and it resumes normal function. I have contacted GM customer service and spoke to 3 d
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)