2020 Chevrolet Colorado problems, complaints & recalls
Most-reported problem areas: Power Train (31) · Service Brakes (10) · Steering (9)
🧭 Reliability snapshot
Compared against other Chevrolet Colorado model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
23 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (883)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-10-26 · GM Update N25-250552 · Over The Air
• improvements to onstar functionality.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-21 · PIP5700H · Service Bulletin/Repair Instructions
this pi communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-07-21 · PIT5509N · Service Bulletin/Repair Instructions
this pi provides diagnostic tips for diagnosing electric trailer brakes issues.
Showing the 6 most recent of 883 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-26 · Service Brakes“2020 chevrolet colorado 2.5l, approximately 81,500 miles. i experienced a sudden loss of power brake assist. there was no warning noise associated with the failure; the brake pedal became extremely hard and required substantially greater pedal pressure to stop the vehicle. the vehicle was inspected by an independent professional mechanic. insp…”
2026-10-23 · Service Brakes“vacuum pump for brakes failed and damaged the whole engine to be replaced because of faulty vacuum pump design …”
2026-10-21 · Engine“the engine malfunctioned, specifically the 4 camshaft actuator solenoid valves, making the car unable to safely drive. the check engine light came on, likely indicating the car was unsafe to drive. gm issued gm special coverage n232430470 covering 2020 colorado's with a 3.6l v6 engine for the bank 2 exhaust camshaft actuator solenoid up to 15 years…”
2026-10-08 · Service Brakes“coupling on vacuum pump broke off while in motion. pieces fell near engine. camshaft, vacuum pump and brake booster will need to be replace. vehicle mileage is at 65124 miles. no reason to have such a failure so early…”
2026-09-14 · Power Train“my 2020 colorado at 14k miles, the dealer did the transmission oil flush and it helped till the warranty ran out. now i have the same problem again at 32k miles. i bought the truck because gm said the problem with 8l/45 trans was fixed in 2019. to my knowledge there has been no update to the slipping clutch in gm's torque convertor. if i were to re…”
2026-09-04 · Service Brakes“on september 4, 2026, i experienced an extremely serious and frightening braking failure while driving my 2020 chevrolet colorado 2.5l. i was driving my granddaughter to school and was pulling into the school's carpool/drop-off area at approximately 20 mph. this was an especially dangerous location because children, parents, vehicles, and school pe…”
2026-09-01 · Steering“while driving my 2020 chevrolet colorado through [xxx], the truck began having difficulty accelerating. as i exited the highway and turned into a gas station, the truck suddenly lost power. the steering became extremely difficult, and i lost normal brake assist. the brake pedal became extremely hard, and i had to apply extreme force to stop the tru…”
2026-08-13 · Engine“a/c control knocks out tempter senor and gauge goes to zero and check engine light comes on, gas mileage goings to hell, turn off engine clutch fan runs for several minutes, can still touch water hoses by hand and not even hot. this is a big safety problem because i'm looking at the gauge and now causing more smog! chevrolet merele stone in porterv…”
2026-08-07 · Engine And Engine Cooling:engine:crank/Camshaft Position Sensor · 36,500 mi“the contact owns a 2020 chevrolet colorado. the contact stated that while reversing out of the driveway, the check engine warning light illuminated. the failure recurred while driving 65 mph. the vehicle was taken to autozone, where dtcs p0024 and p0014 were retrieved, indicating exhaust camshaft position system performance issues for bank 2 and ba…”
2026-06-01 · Service Brakes“vacuum pump seized, causing loss of power assist on brakes. this happened as i was approaching an intersection to make a right-hand turn. when i press down on the brake pedal it felt hard, like it was locked up. after pressing down on it with both feet, i was able to slow the vehicle down enough to turn out of the intersection. if this event happen…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.