This 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.
full bulletin at NHTSA ↗2019 Buick Regal electrical problems
moderate Owners of the 2019 Buick Regal have filed 4 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Complaints
4
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2015 Regal | 5 |
| 2016 Regal | 5 |
| 2018 Regal | 3 |
| 2019 Regal (this page) | 4 |
When does it fail?
Of the 4 electrical complaints filed for the 2019 Buick Regal, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA electrical complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
full bulletin at NHTSA ↗The 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 diagnostic methods to identify them.
full bulletin at NHTSA ↗This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
full bulletin at NHTSA ↗This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive Functions Do Not Work).
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
After shifting the vehicle into park and shutting off the engine I get a warning light on the dash that says shift to park. Even though the vehicle is already in park.
Hello, I am the original owner of my 2019 Buick Regal Sportback which shows a "shift to park message when I attempt to shut off the car and the car shifter is in the park position. I am unable to turn off lights, radio, or accessories. This condition runs down the battery and prevents me from starting the car as the shifter stays locked in position unless the car is running. This should be…
The contact owns a 2019 Buick Regal. The contact stated that when he attempted to start his vehicle there was no battery power, and no clicking sounds from the ignition. The contact stated that the instrument panel was blank. The contact stated that he had the vehicle jump started and the vehicle operated normally. The contact stated that the check engine warning light illuminated and then turned…
I have been going back and forth with gm customer service at 866-790-5600. I purchased the car 11/23/18 brand new with 12 miles on it. I had to take the car to get it serviced due to kept hearing something similar to the brakes keep scrubbing, in which I the dealership ordered the parts and gave me a loaner vehicle, 8/31/19 I complained when I went into the dealership to get my oil changed that…
Had electrical trouble with your 2019 Buick Regal?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2019 Buick Regal?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 4 complaints filed, electrical issues most often appear around 22,301 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2019/Buick/Regal.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.