2022 Chevrolet Colorado

The brake booster vacuum pump failed catastrophically while driving, resulting in a sudden, dangerous loss of power braking assist and a rock-hard brake pedal. Upon inspection by a mechanic, the pump's internal failure violently sheared and destroyed the engine's exhaust camshaft, requiring a complete camshaft tear-down and replacement. This is a severe mechanical defect causing both immediate highway safety hazards and internal engine destruction.

While driving our 2022 Chevrolet Colorado ZR2 (VIN: [XXX]) through an active roadway intersection at approximately midnight, the vehicle experienced a sudden, uncommanded complete loss of motive power and stalled without advance warning. Our teenage daughter was driving, making the abrupt loss of power, steering assist, and vehicle control in live traffic especially dangerous for an inexperienced driver. The stalled truck had to be physically pushed out of active traffic lanes into a nearby gas station for safety and has required flatbed towing for all subsequent transport. In the days prior to failure, an intermittent, unidentifiable mechanical odor was noticed, but zero warning lamps, dashboard messages, or diagnostic trouble codes were displayed, and the vehicle drove normally until the sudden shutdown. At the scene, an OBD-II diagnostic scan pulled DTC P0019-00 (Crankshaft Position - Exhaust Camshaft Position Not Plausible Bank 2). An independent service center subsequently confirmed adequate, safe oil levels (ruling out oil starvation), and independent technicians confirmed catastrophic internal engine failure. The truck is currently at an authorized Chevrolet dealership undergoing formal diagnostics to determine the exact internal failure mechanism (including potential correlation to known bearing/valvetrain defect patterns under GM Bulletin 19-NA-256). The vehicle and components are available for inspection upon request. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Component that failed: brakes. I was pulling into a parking spot at low speed and the brake pedal was suddenly extremely difficult to depress, almost impossible. It felt as if a brick were under the pedal but there was no obstruction. I was able to stop only because I was already going so slow. Safety of myself and others was at risk because I was almost unable to stop the vehicle. If I had been going any faster I don't believe I would have been able to without crashing into an obstacle. Vehicle is currently at a service shop but issue has not been verified or repaired as of today. When restarting the vehicle, the engine stuttered and started making odd sounds, and wouldn't idle properly. There were no warning lamps, messages, or other symptoms at all prior to failure. When I entered the parking lot it was working normally and when I turned to enter a parking spot the brakes suddenly just failed.

Issue 1: Cooling Fan Remained On After Engine Shutdown Component or system involved: Engine cooling system and fan control system, including the radiator cooling fan, fan relay, coolant temperature sensor, wiring, or engine control module (ECM). The vehicle is available for inspection upon request. What happened: After turning off the engine, the radiator cooling fan remained running continuously for approximately five minutes and would not shut off as expected. No warning light, message, or other dashboard indication appeared before or during the event. This was unusual behavior compared with normal operation. Safety risk: The unexpected fan operation created concern that the cooling system was malfunctioning and that the vehicle could overheat, experience an electrical problem, or become unreliable while driving. A cooling system or electrical failure while in traffic could put me and other drivers at risk. Reproduction or confirmation: The issue occurred several time and was confirmed by a Chevrolet dealer, and was told that my warranty did not cover the issue. I took it to outside mechanic to fix the issue as Chevrolet wanted to charge over $1500 for the issue. No warning lamps, messages, overheating indicators, or other symptoms appeared before the fan remained on. The problem occurred suddenly back in 2025. Issue 2: Ignition Key Gets Stuck and Cannot Be Removed Ignition lock cylinder, ignition switch, transmission shift-interlock system, park-position switch, or steering column lock mechanism. The vehicle is available for inspection upon request. The ignition key intermittently becomes stuck and cannot be removed from the ignition. The problem occurs after parking and turning the vehicle off, and I sometimes need to move the shifter or steering wheel repeatedly before the key can be removed. A stuck ignition key can prevent me from properly shutting down and securing the vehicle. It may also indicate a failure in the ignition or shift-interlock system.

in december 2025 i was driving my 2022 chevy colorado with 2.5 liter all of a sudden with no prior warning or lights i have an extremely hard brake pedal could barely stop i wasnt far from home when i pulled into drive i left it running to check brake fluid saw some smoke . i pop hood and saw brake fluid full but smoke coming from the back of motor i couldn't tell where so i walked around to look underneath and saw oil all over. i shut engine off and had towed to chevy dealership diagnosis vacuum pump failure with engine damage.

The contact owns a 2022 Chevrolet Colorado. The contact stated that while an employee was driving approximately 30 MPH up to a red traffic light, the brake pedal failed to slow the vehicle while depressed. The driver used an excessive amount of strength to depress the brake pedal for the vehicle to come to a stop. The contact was unable to confirm any warning lights had been illuminated. The vehicle was taken to the dealer where it was diagnosed that the vacuum pump had failed and needed to be replaced. The failure caused the engine to fail. The contact was informed that the engine needed to be replaced. The vehicle was not repaired due to the parts for the engine being on backorder. The manufacturer was made aware of the failure. The failure mileage was 69,000.