2019 Gmc SIERRA 2500

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2019 Gmc SIERRA 2500 has 38 owner complaints filed with NHTSA — that's 0.5x the segment average of 80. The most common issue is electrical problems (21% of all complaints), specifically: trailer brake system needs service, warning light came on and beeping loud starter last month 6-2023 , and maybe the brake control module is bad ? code c1117 came up. ⚠️ 2 fire reports filed.

2 fire reports 1 injury

Total Complaints

Recalls Issued

—/5

Safety Stars

0.5x

vs Segment Avg

Known Problems

ELECTRICAL

8 complaints

21%

• TRAILER BRAKE SYSTEM NEEDS SERVICE, WARNING LIGHT CAME ON AND BEEPING LOUD STARTER LAST MONTH 6-2023 , AND MAYBE THE BRAKE CONTROL MODULE IS BAD ? CODE C1117 CAME UP
• DEFECTIVE TRAILER BRAKE SWITCH ,WHICH POSES A RISK TO MOTOR VEHICLE SAFETY IF YOU ARE TOWING A TRAVEL TRAILER, WHERE BRAKES FAIL LOCK UP IS POSSIBLE DANGEROUS TO PULL
• Vehicle was last driven on June 23 2024 and parked in my driveway. On the evening of June 29 2024 my horn was blowing in my truck at around 10:30. While I was walking out to the vehicle it was in flames. The fire started from what I understand on the driver’s side behind the dash. Luckily no one was

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

“TRAILER BRAKE SYSTEM NEEDS SERVICE, WARNING LIGHT CAME ON AND BEEPING LOUD STARTER LAST MONTH 6-2023 , AND MAYBE THE BRAKE CONTROL MODULE IS BAD ? CODE C1117 CAME UP”

— NHTSA complaint filing

ENGINE

7 complaints

18%

• MAKING TICKING NOISE FROM THE ENGINE WHEN IN MOTION.NEW CAR. BOUGHT TWO MONTHS AGO WITH 40000 MILES
• 4X4 LOW RANGE HAS NO POWER. I HAVE NEVER SEEN SUCH A WEAK PULLING TRUCK WHEN IN LOW RANGE
• RECALL WAS ISSUED APRIL 25 2019, AS OF TODAY ALMOST 1 YEAR LATER GM IS STILL SAYING I CAN'T GET IT DONE. YET THEY ARE BUILDING AND SELLING VEHICLES WITH UPDATED PARTS IN THEM.

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

“MAKING TICKING NOISE FROM THE ENGINE WHEN IN MOTION.NEW CAR. BOUGHT TWO MONTHS AGO WITH 40000 MILES”

— NHTSA complaint filing

FUEL SYSTEM

6 complaints

16%

• The contact owns a 2019 GMC Sierra 2500. The contact stated while stationary at a traffic light, he started to smell diesel fumes inside the cabin of the vehicle. The contact stated no warning light was illuminated. The contact was able to drive to his residence and while inspecting the vehicle, he
• The connectors to the fuel pump have failed causing the truck to mechanically fail and not operate. This is a common problem per the diesel technician who diagnosed our truck and in his opinion should not be happening as often as it does. It’s specifically the cylinder 4 injector control circuit and
• The Fuel pump power control module failed. The part is currently at the nearby Chevy dealership. The safety of myself and two passengers were compromised when the struck suddenly lost acceleration, then shortly after lost engine idle. This occurred while vehicle was in motion on a main highway leavi

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

“The contact owns a 2019 GMC Sierra 2500. The contact stated while stationary at a traffic light, he started to smell diesel fumes inside the cabin of the vehicle. The contact stated no warning light was illuminated. The contact was able to drive to his residence and while inspecting the vehicle, he ”

— NHTSA complaint filing

OTHER

4 complaints

11%

• The contact owns a 2019 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was not available. The contact mentioned that the manufacturer exceeded a reasonable amount of time for the recall repair. The dealer w
• The contact owns a 2019 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment); however, the part to do the recall repair was not yet available. The dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for
• TRAILER BRAKE SYSTEM NEEDS SERVICE, WARNING LIGHT CAME ON AND BEEPING LOUD STARTER LAST MONTH 6-2023 , AND MAYBE THE BRAKE CONTROL MODULE IS BAD ? CODE C1117 CAME UP

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

“The contact owns a 2019 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was not available. The contact mentioned that the manufacturer exceeded a reasonable amount of time for the recall repair. The dealer w”

— NHTSA complaint filing

BRAKES

4 complaints

11%

• I purchased a 2019 GMC Certified 2500 Diesel Truck with 48000 miles I started getting alerts on my dash stating TRAILER BRAKE SYSTEM over and over. I would press the dismiss button but it would not stop from appearing and dinging over and over. I took vehicle to dealer ship since I have remaining bu
• TRAILER BRAKE SYSTEM NEEDS SERVICE, WARNING LIGHT CAME ON AND BEEPING LOUD STARTER LAST MONTH 6-2023 , AND MAYBE THE BRAKE CONTROL MODULE IS BAD ? CODE C1117 CAME UP
• DEFECTIVE TRAILER BRAKE SWITCH ,WHICH POSES A RISK TO MOTOR VEHICLE SAFETY IF YOU ARE TOWING A TRAVEL TRAILER, WHERE BRAKES FAIL LOCK UP IS POSSIBLE DANGEROUS TO PULL

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

“I purchased a 2019 GMC Certified 2500 Diesel Truck with 48000 miles I started getting alerts on my dash stating TRAILER BRAKE SYSTEM over and over. I would press the dismiss button but it would not stop from appearing and dinging over and over. I took vehicle to dealer ship since I have remaining bu”

— NHTSA complaint filing

Estimated Repair Costs

ELECTRICAL(~50K mi)

$500

ENGINE(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

OTHER(~50K mi)

$500

BRAKES(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 38 owner complaints for this specific year, here's what to check or ask about:

☐
ELECTRICAL: TRAILER BRAKE SYSTEM NEEDS SERVICE, WARNING LIGHT CAME ON AND BEEPING LOUD STARTER LAST MONTH 6-2023 , AND MAYBE THE BRAKE CONTROL MODULE IS BAD ? CODE C1117 CAME UP
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: MAKING TICKING NOISE FROM THE ENGINE WHEN IN MOTION.NEW CAR. BOUGHT TWO MONTHS AGO WITH 40000 MILES
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: The contact owns a 2019 GMC Sierra 2500. The contact stated while stationary at a traffic light, he started to smell diesel fumes inside the cabin of the vehicle. The contact stated no warning light was illuminated. The contact was able to drive to his residence and while inspecting the vehicle, he
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: The contact owns a 2019 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was not available. The contact mentioned that the manufacturer exceeded a reasonable amount of time for the recall repair. The dealer w
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)