2018 Chevrolet Suburban Electrical system Problems
- Complaints
- 17about this part
- Share
- 20%of 84 total for the year
- Median mileage
- 68,000miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 17 complaints about the electrical system of the 2018 Chevrolet Suburban, 20% of the 84 complaints for this model year. Where a mileage was given, the median is 68,000 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My doors lock with the car with the keys in the car, my kids were in my car and I got locked out with my keys in it, there was a battery replacement done when I took my car in for a recall notice a month ago (maybe 2 months), also the lock button works but when I push the middle button it will not auto start , when I push the button on the handle outside the car door it will not unlock,& my car will tell me that my remote isn't detected when the keys are in the car. …”
NHTSA complaint #11416217, filed 2021-05, 68,000 miles“Odometer Fraud. The contact purchased a 2018 Chevrolet Suburban. The contact stated that while purchasing an aftermarket warranty coverage, the warranty company informed the contact that there was a mileage discrepancy based on the Carfax report. The vehicle was a dealer sale. At the time of purchase, the mileage was 123,959; however, the Carfax report listed the mileage at 129,000 one month prior to the purchase.”
NHTSA complaint #11730756, filed 2026-04, 129,000 miles“The stability track lights keeps coming on and off. Dealer can't seem to find out what the problem is. It does not leave a code in order to find out what the problem is. When the light comes on it affects the cruise control and steering assist. This occurs while driving the vehicle. It doesn't matter if you are on a city street or highway.”
NHTSA complaint #11383521, filed 2020-12, 30,000 miles“My vehicle completely shuts off while driving. All of the components on the dash and even my steering wheel moves into the prestarted vehicle position. It has happened 3 times in the past week now. One particular instance, I was on the highway and thankfully it came back on immediately before completely stopping but shutting off while driving 65mph is so dangerous.”
NHTSA complaint #11682767, filed 2025-08“I've taken this SUV to the Chevy dealership 4 times now for the same issue. SUV will not start at times then starts, it will even turn off on the road without warning. New Battery and Chevy can not find out issues $500.00 later. The brake pedal becomes hard to push down, and it will not start: wait 10 mins or so and it will start. Even the remote start at times will not work. Chevy has had it for 30 days at a time and I'm being told to bring it back when it happens, how do I that!”
NHTSA complaint #11705323, filed 2025-12Related service bulletins
- 11017595Apr 3, 2025This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- 11017244Mar 31, 2025The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11017031Mar 12, 2025This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
- 11014230Jan 31, 2025This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11013149Jan 17, 2025This service bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11012929Jan 7, 2025This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- 11011805Dec 6, 2024This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
- 11009170Oct 25, 2024This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 5 | 11% |
| 2023 | 14 | 11% |
| 2022 | 22 | 18% |
| 2021 | 20 | 10% |
| 2020 | 8 | 18% |
| 2019 | 7 | 9% |
| 2018 | 17 | 20% |
| 2017 | 21 | 15% |
| 2016 | 26 | 12% |
| 2015 | 58 | 13% |
| 2014 | 7 | 12% |
| 2013 | 14 | 12% |
| 2012 | 10 | 10% |
| 2011 | 10 | 7% |
| 2010 | 9 | 8% |
| 2009 | 16 | 15% |
| 2008 | 22 | 10% |
| 2007 | 25 | 9% |
| 2006 | 3 | 13% |
| 2005 | 36 | 28% |
| 2004 | 72 | 35% |
| 2003 | 81 | 27% |
| 2002 | 10 | 4% |
| 2001 | 30 | 7% |
| 2000 | 13 | 5% |
| 1999 | 58 | 9% |
| 1998 | 14 | 7% |
| 1997 | 42 | 10% |
| 1996 | 47 | 13% |
| 1995 | 32 | 7% |
| 1994 | 21 | 2% |
| 1993 | 7 | 1% |
| 1992 | 9 | 5% |
| 1991 | 2 | 4% |
| 1990 | 3 | 6% |
| 1989 | 1 | 2% |
| 1987 | 2 | 11% |
| 1986 | 1 | 14% |
Other parts of the 2018 Chevrolet Suburban
19 complaintsTransmission and drivetrain
19 complaintsBrakes
15 complaintsOther or unknown
11 complaintsSteering
8 complaintsSeat belts
5 complaintsAir bags
4 complaintsFuel system
4 complaintsWheels
4 complaintsVehicle speed control
3 complaintsElectronic stability control
2 complaintsSuspension
2 complaints
← All problems reported for the 2018 Chevrolet Suburban
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology