2018 Chevrolet Impala Electrical system Problems
- Complaints
- 11about this part
- Share
- 19%of 59 total for the year
- Median mileage
- 51,300miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the electrical system of the 2018 Chevrolet Impala, 19% of the 59 complaints for this model year. Where a mileage was given, the median is 51,300 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Gears skipping and shruddering between 2nd and 4th gear. Chevrolet dealership recommended engine mounts replaces which was a false diagnose. After further inspection and diagnosing, they revealed that my transmission needs to be replaced for 6200$. I paid the 6200$ and now transmission shifting hard into 2nd gear.”
NHTSA complaint #11362612, filed 2020-10, 71,300 miles“This was a hertz rental car I picked up at the orlando, fl airport. June 2, 2019. There was no operators manual in the car. It was 10 pm and I had to drive 90 miles to my destination. About 30 minutes on the highway to check oil light came on. I tried to clear the notice by pressing several buttons on the dash board. Then I thought I found the correct button and pressed it. It was the car start and off button. The car immediately shut off including all the lights. O was going 65 MPH and suddenly the road was pitch black. The engine had turned off so I could not hold my speed. …”
NHTSA complaint #11222108, filed 2019-06, 28,174 miles“Side detection device not working. Car was purchased in june at a reputable dealer. The dealership is not saying there is a problem, but the sensor is corroded. There are a number of other cases with the same problem.”
NHTSA complaint #11258545, filed 2019-09, 50,000 miles“Tires-tires keep losing air pressure, they appeared new but when tested problems was found, they were wore to the outside as if aliment was needed, new tires was purchased electrical/battery-there is a frequent shut down of electrical system, while driving the engine light come on, from the driver information center (dic) the was 14.7, the battery was checked twice within a period of two days from the dealership, the first day the battery was good then on the second day they said I had a battery problems, purchased new battery, no warning tried to crank barely turnover, sometimes the dic…”
NHTSA complaint #11266617, filed 2019-10, 52,600 miles“While driving from work the car did a quick jerk and the STABILITRAK, ABS AND CHECK ENGINE LIGHT ALL CAME ON ALL AT ONCE. As I pulled into my workplace the car lost power to the engine completely while displaying ACTION REQUIRED ON THE LCD SCREEN. The brake and steering wheel became stiff and it was hard to control the vehicle. It took 10 minutes for me to regain power and control over the vehicle that again after leaving work stopped on the highway.”
NHTSA complaint #11477959, filed 2022-08Related 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 |
|---|---|---|
| 2020 | 3 | 20% |
| 2019 | 9 | 32% |
| 2018 | 11 | 19% |
| 2017 | 15 | 13% |
| 2016 | 30 | 27% |
| 2015 | 96 | 32% |
| 2014 | 221 | 35% |
| 2013 | 52 | 19% |
| 2012 | 58 | 22% |
| 2011 | 95 | 19% |
| 2010 | 132 | 30% |
| 2009 | 224 | 27% |
| 2008 | 221 | 27% |
| 2007 | 128 | 20% |
| 2006 | 124 | 24% |
| 2005 | 331 | 54% |
| 2004 | 681 | 63% |
| 2003 | 264 | 38% |
| 2002 | 305 | 38% |
| 2001 | 225 | 30% |
| 2000 | 187 | 23% |
| 1996 | 11 | 13% |
| 1995 | 6 | 14% |
| 1994 | 5 | 33% |
Other parts of the 2018 Chevrolet Impala
16 complaintsTransmission and drivetrain
11 complaintsBrakes
8 complaintsEngine
7 complaintsSteering
7 complaintsAir bags
6 complaintsExterior lighting
4 complaintsFuel system
3 complaintsSeats
3 complaintsVehicle speed control
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsWheels
2 complaints
← All problems reported for the 2018 Chevrolet Impala
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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