2018 Chevrolet Colorado electrical system problems

Related recalls

No recalls on file.

What owners say

1. Filed Jul 15, 202660,000 miOHElectrical System

   The contact owns a 2018 Chevrolet Colorado. The contact stated that while the vehicle was parked, the key was difficult to remove from the ignition. The dealer was contacted and informed that the shift interlock switch failed to recognize that the transmission was shifted to park(P). The vehicle was not repaired. The manufacturer was contacted, but offered no assistance because the vehicle was not under warranty. The failure mileage was approximately 60,000.

   NHTSA complaint #11750525 · source
2. Filed Jul 6, 2026ORElectrical SystemFuel, Hybrid & EV PropulsionAcceleration & Cruise Control

   My 2018 Chevrolet Colorado diesel has had repeated diesel emissions/DPF-related failures that cause the vehicle to enter reduced-power or limp mode. This is a safety issue because the truck suddenly loses power and cannot accelerate normally. The most serious incident occurred while driving over Santiam Pass in Oregon. The vehicle went into reduced-power/limp mode on a mountain highway, leaving me unable to maintain normal speed or accelerate safely. I lost power needed to…

   NHTSA complaint #11748528 · source
3. Filed Oct 20, 2025FLAirbagsElectrical SystemFuel, Hybrid & EV Propulsion

   All the sensors seem to not be functioning correctly. Doesn't tell me the right measurements for the wheels, gas, over heating. Right front passenger door locks/unlocks when it wants. It chokes up when trying to accelerate. Theres a rattling noise that comes from under the car. First time I took it to the dealership, they stated it was a bolt that had come loose on the exhaust pipe. They placed a new one which lasted a year and a half and now its back to making the noise. I…

   NHTSA complaint #11694565 · source
4. Filed Jun 11, 2025162,000 miPAElectrical System

   Odometer Fraud. The contact purchased a 2018 Chevrolet Colorado. The contact stated that while attempting to service the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was approximately 47,000 and at the time of registration, it was discovered that the mileage was 162,000.

   NHTSA complaint #11666279 · source
5. Filed May 31, 2025NYElectrical System

   Touch screen not responsive, apple carplay unavailable can’t connect phone, will randomly tap apps and puts calls on hold. Will flip pages on its own and even turn the back up camera on when driving down the road

   NHTSA complaint #11664135 · source
6. Filed May 8, 2025GAElectrical SystemEngine

   P2738 Pressure Control Solenoid Valve 6 Control Circuit Low Voltage. Whenever you drive, the transmission will go into limp mode every now and then. It will say low oil pressure and throw another code of P0700 MIL Request From TCM. This is a common issue that I have researched and would like to know a way forward. I've only had the vehicle for 6 months. Within city limits as long as you don't push the accelerator too much (50mph within 2 minutes) it runs ok until the vehicle…

   NHTSA complaint #11659645 · source
7. Filed Apr 12, 2025NCElectrical SystemSteering

   The ignition switch will frequently lock when turning off and not allow the electrical system to fully turn off and prevent you from removing the key. It happens randomly but has been increasing in frequency.

   NHTSA complaint #11654227 · source
8. Filed Jan 24, 2025CAAirbagsElectrical SystemTransmission & Drivetrain

   Key can't be removed when the truck is in park. Locks go up and down when vehicle is moving. Transmission stuck in 3rd gear. Stabilitrack and traction control indicator lights appear on dashboard. Exhaust brake and traction control switches don't work.

   NHTSA complaint #11638431 · source
9. Filed Jul 29, 2024MIElectrical System

   Key cannot be removed front ignition. Put in park but does not release key . Unlocks doors but does not lock steering wheel or release key . Have to do several tricks to get key loose . No one in repair community seems to be able to fix or understand how to repair.

   NHTSA complaint #11605094 · source
10. Filed Jan 11, 2024TXElectrical System

    Truck bought in United States for use in US. All dash displays ( child or person in back seat or passenger seat, and gauges, emergency or vital messages, warnings etc) are in a foreign language. I only speak and read english. In addition, may go into mode where it changes channel and volume every few seconds which is distracting. Chevrolet dealer (Valmark) says they want 100-200 usd to diagnose and 2000.00 to replace. Reset did not fix. Vehicles for US should be in common…

    NHTSA complaint #11564954 · source
11. Filed Dec 8, 2023COElectrical SystemLightingSteering

    He wiring harness to the 4wd kept coming on which wouldn’t allow me to ingage. Mountain Chevy citified mechanic found a chafing on the wiring harness. After filing it my truck started to light up like a Christmas tree, Stability service, trailer brake service, Locker service, Power streering service and they done turn off. Which is caused by more chafing wires that are to close to components of the engine bay getting to hot. Now my power steering turns off and when driving…

    NHTSA complaint #11559139 · source
12. Filed May 3, 2023CTElectrical System

    Ignition interlock will stick and not allow key to be taken out of the ignition. The truck is off, in park and parking brake applied but key is stuck in ignition. Have to rapidly push shifter lever button until it unlatches and the key is able to be taken out. Occurs 2-3 times per week.

    NHTSA complaint #11520236 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology