2017 Chevrolet Colorado Complaints

FUEL/PROPULSION SYSTEM — Filed 07/04/2026

There is a major fuel line leak just before the high pressure fuel pump. It appears that the fuel line aggressively rubbed against an A/C line component (looks like a muffler/canister). This rubbing created a huge hole in the high pressure fuel line, causing diesel to spray everywhere on the driver side of the engine compartment. This causes a massive safety issue due to diesel fuel uncontrollably spraying onto hot engine components. In my own research, this seems to be a known problem for GM. I believe there is a TSB published for this exact problem, but I have yet to find the document online. This needs to be an official recalled item ASAP.

ENGINE — Filed 03/31/2026

Thermostat is having problems. Fan runs over use and Thermostat will not open

ENGINE — Filed 02/09/2026

On or about 02/09/2026, the vehicle experienced a catastrophic failure directly related to a known defect identified in Technical Service Bulletin 19-NA-066. The engine "sucked" in the oil filter due to a poor design on GM's part. The stand pipe was not present apparently, and must have broken off at some point. This bulletin acknowledges an issue affecting this vehicle platform. This should have been recalled to address this engineering flaw that GM acknowledged in their TSB. Despite multiple attempts and ongoing communication with authorized representatives to have the vehicles engine replaced under an extended warranty, the vehicle was inoperable and unusable, causing significant financial hardship. I owned the vehicle for approximately 5 months and had the vehicle in the shop multiple times for other repair issues that were known per forums from other owners of this model/year of vehicle. I have exhausted all reasonable efforts to resolve this matter through dealership, GM customer service channels, and GM's executive team without satisfactory resolution. As a direct result of this defect and resulting failure, I have incurred the following damages: Loss of use of the vehicle ($24,578 purchase price on 09/20/2025) Rental and alternative transportation expenses ($90.58 rental vehicle from 02/12/2026 - 02/14/2026) Diminished vehicle value ($24,578 - $12,000 (Selling Price) = $12,578) Out-of-pocket diagnostic and related expenses ($2,036.50) Total loss and seeking reimbursement: $14,705.08

SERVICE BRAKES — Filed 02/18/2026

On Wednesday, February 18th, I was driving on the freeway, usual heavy traffic right off of it at 5:00pm. When exiting and merging onto the street, I pressed on my break to slow down and meet the speed of traffic, but my breaks felt hard, I struggled pressing it down, and my car wasn’t slowing down. I was able to swerve off into a dirt patch next to the road. Then I panicked, unable to find where my emergency break was, I put my car in park and it eventually came to a stop. I then took the car to the dealership, and they’ve told me that the vacuum pump needs a replacement. The car has currently been at the dealership for a week and a half and there still seems to be no solution. I’ve reached out to General Motors and with the responses they’ve given me, it feels like they the know what’s going on but have thus far given me the run around. They say they’ve reached out to the dealership, but when I mention it to my dealership advisor, they say they haven’t heard anything.

UNKNOWN OR OTHER,VISIBILITY/WIPER — Filed 02/04/2026

The heating blend door broke making the heater unusable. I cant defrost/defog my windows to see in February in New york...its a very common problem with this vehicle and the cost to repair is over 3000

ELECTRICAL SYSTEM,UNKNOWN OR OTHER — Filed 02/15/2026

Infotainment system will start changing on the screen to navigation and also on the odometer screen to audio settings. After turning vehicle off it will seem like a reset then do it again. A big distraction. Has done this multiple times in the last 3 months.

POWER TRAIN — Filed 09/02/2025

*Transmission wiring harness - Not avail for inspection since it has been repaired *Repaired before complete failure. *Yes, repaired by Chevrolet Dealership *No *Yes, engine light - diagnosed as Code P0700, PO711 - transmission fluid temp performance failure. Monitor fluid temp. Temp readiing is erratic drops from 120 to lower temp. Perform circuit verification. Fluid temp sensor failure. Light appeared a few days before repair on 9-8 to 9-11, 2025. Mileage at time of repair - 74,525.

ENGINE AND ENGINE COOLING — Filed 01/14/2025

The contact owns a 2017 Chevrolet Colorado. The contact stated that while driving on several occasions at various speeds, the A/C unit stopped working, with the check engine warning light illuminated. On several occasions, while the vehicle was turned off, the cooling fan ran for approximately 2-3 minutes. The vehicle was taken to an independent mechanic where it was diagnosed, and determined that the engine coolant thermostat had failed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.

POWER TRAIN — Filed 01/20/2026

Transmission hard shift. Sputters when driving

SERVICE BRAKES,FORWARD COLLISION AVOIDANCE — Filed 12/21/2025

On Sep 14th 2025 with KM 41959km, after turn on my colorado, after I filled the fuel tank, I had driven more of 50 min, a message appears in the screen control: Failed braking system 100km/h Max Velocity and a second message appears: Provide service to ESC. Then turn off the colorado, wait some seconds and turn on again, no messages appears. So I continue driving normally until Dec 21st 2025 with KM 47200km driving on a boulevard, I did stop two times due to traffic, automatic start/stop activate, in the second stop when start on again same message appears: Failed braking system 100km/h Max, I felt the brakes not responding, my colorado stopped over a greater distance. If I hadn't maintained a safe following distance, I wouldn't have been able to stop in time and I would have crashed into other vehicle. I arrived on home safe but nervous. At next day, Dec 22th turn on my colorado and appears same message, KM 47245km I turned off and tried turn on again but it not turn on, battery low message appeared, then I had to have my Colorado towed to the car dealership. It is on revision waiting a diagnosis. I hope you can analysis this issue. Thanks