What are the most common Chevrolet Onix problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2013-2014, 2017-2024 Chevrolet Onix has 6 documented issues. The most frequently reported are: Underhood Fuse Box Water Ingress — Unintended Starter Activation and Fire Risk Recall (2017-2019), Engine Fire Risk from ECM Calibration Defect — 1.0 Turbo (Brazil Recall), Fuel Pump Retaining Nut Leak — Fire Risk Recall (2013-2014). Of these, 4 are rated critical and should be addressed promptly.
Is the Chevrolet Onix reliable?
The 2013-2014, 2017-2024 Chevrolet Onix has 6 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 4 issues are rated critical: Underhood Fuse Box Water Ingress — Unintended Starter Activation and Fire Risk Recall (2017-2019) and Engine Fire Risk from ECM Calibration Defect — 1.0 Turbo (Brazil Recall) and Fuel Pump Retaining Nut Leak — Fire Risk Recall (2013-2014) and Premature Failure of Oil-Bathed Timing Belt (1.0 Turbo CSS Prime). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Chevrolet Onix problems?
Repair costs for known Chevrolet Onix issues range from $0 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Underhood Fuse Box Water Ingress — Unintended Starter Activation and Fire Risk Recall (2017-2019), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What year Chevrolet Onix is the most reliable?
Reliability varies across model years of the Chevrolet Onix. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2013-2014, 2017-2024 Chevrolet Onix with 6 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.
What is the 2017-2019 Chevrolet Onix Underhood Fuse Box Water Ingress — Unintended Starter Activation and Fire Risk Recall (2017-2019)?
GM do Brasil recalled Onix and Prisma (along with Cobalt and Spin) vehicles produced between 2016 and 2018 — model years 2017 to 2019 — plus vehicles that received genuine GM replacement fuse boxes in 2018, because the underhood fuse box relay terminals could be installed without… Repairs typically run $0-$0. Severity: high.
What is the 2020 Chevrolet Onix Engine Fire Risk from ECM Calibration Defect — 1.0 Turbo (Brazil Recall)?
Shortly after the second-generation Onix launched in Brazil, GM recalled 19,055 Onix Plus model-year 2020 sedans (produced April 29 to November 6, 2019, chassis LG100091-LG139164) because a faulty engine control module calibration on the new 1.0 turbo three-cylinder could cause a… Repairs typically run $0-$0. Severity: high.
What is the 2013-2014 Chevrolet Onix Fuel Pump Retaining Nut Leak — Fire Risk Recall (2013-2014)?
In December 2014, GM do Brasil recalled 400,940 vehicles — Chevrolet Onix and Prisma model years 2013-2014, plus Cobalt 2012-2014 and Spin 2013-2014 — because the plastic retaining nut that secures the fuel pump module to the top of the fuel tank could fail to seal properly. In a… Repairs typically run $0-$0. Severity: high.
What is the 2020-2024 Chevrolet Onix Premature Failure of Oil-Bathed Timing Belt (1.0 Turbo CSS Prime)?
The second-generation Onix and Onix Plus 1.0 turbo (CSS Prime three-cylinder, introduced 2019 for MY2020) use a timing belt that runs immersed in engine oil. GM rates the belt for 240,000 km or 15 years, but Brazilian owners, mechanics and the automotive press have documented wid… Repairs typically run $300-$2,500. Severity: high.
What is the 2020-2024 Chevrolet Onix Air Conditioning Stops Cooling — Expansion Valve Jamming?
A chronic and widely reported air-conditioning fault affects second-generation Onix and Onix Plus models (2020+), with similar AC complaints also common on the first generation. The system cools normally for the first few minutes after start-up, then begins blowing warm air even… Repairs typically run $60-$450. Severity: medium.
What is the 2020-2023 Chevrolet Onix MyLink Infotainment Freezing, Black Screen and Wireless Android Auto Dropouts?
Owners of 2020-2023 Onix and Onix Plus report recurring failures of the MyLink infotainment system: the screen freezes on the boot logo or with a frozen image, flickers or goes black, the touchscreen and hard buttons stop responding, and the unit reboots randomly. A separate but… Repairs typically run $0-$150. Severity: medium.
