This Service Alert supersedes the previously issued service alert listed below. The changes are noted in Red text. SA-038/26 06/15/26 DESCRIPTION Some customers may complain about any of the following: 1. Infotainment Center Display does not provide the Authorization Code (OTP) during the MyMazda App Connected Vehicle enrollment. 2. Remote functions inoperative. Engine Start / Stop Door Lock / Unlock Lights ON / OFF Climate Control 3. MAZDA CONNECT connected vehicle reception strength icon shows "X" or " ". Index MAZDA CONNECT 2 Center Display Status Icon MAZDA CONNECT 3 Center Display Status Icon Remote Engine Start Will Not Function Remote Engine Start Function Will turn engine OFF Custome
full bulletin at NHTSA ↗2024 Mazda Mazda3 electrical problems
severe Owners of the 2024 Mazda Mazda3 have filed 5 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of September 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Complaints
5
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2020 Mazda3 | 3 |
| 2021 Mazda3 | 5 |
| 2022 Mazda3 | 5 |
| 2024 Mazda3 (this page) | 5 |
1crash
When does it fail?
Of the 5 electrical complaints filed for the 2024 Mazda Mazda3, 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.
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 Alert supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. SA-006/23 01/23/23 DESCRIPTION Some customers may complain about the infotainment system and/or the MyMazda App showing incorrect clock and/or tire pressures and/or tire pressure missing. This may be caused by: Incorrect calendar entry (month/day/year) after a battery disconnect Infotainment system software update. BCM TPMS unlearn during vehicle storage or transport. Wheel/Tire change REPAIR PROCEDURE This can be corrected by the customer driving the vehicle for a day or two so that the following will occur.
full bulletin at NHTSA ↗This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red text. SA-039/26 06/15/26 Mazda Connect Symptom Troubleshooting DESCRIPTION Customers having MAZDA CONNECT concerns should have their vehicle repaired using the following repair procedure.
full bulletin at NHTSA ↗DESCRIPTION Some vehicles may continue to display the recall notification "IMPORTANT NOTICE. VIEW VEHICLE STATUS MONITOR FOR DETAILS" on the center display even after the recall has been completed. NOTE: Once the warranty claim for the recall campaign is approved by Mazda Japan, the recall notification will be automatically removed via Connected Services on the following day or later. This condition may occur if the Connected Services subscription was canceled while the recall notification was still active. ACTION TO BE TAKEN If you encounter the situation above, use MDARS to manually remove the center display recall notification. Note: MDARS can only remove the recall notification when MCVV
full bulletin at NHTSA ↗This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-012/26 04/17/26, 03/04/26 and 02/26/2026 DESCRIPTION Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail. Connected Vehicle Remote functions may fail. The following DTC's may be stored: B1252:87-8B:TCU - COMMUNICATION ERROR WITH CONNECTIVITY MASTER UNIT (CMU) U0198:00-03:CMU - COMMUNICATION ERROR WITH EMERGENCY CALL UNIT/TELEMATICS COMMUNICATION UNIT REPAIR PROCEDURE 1. Verify the concern. 2. Check if any of the following DTCs are stored: B125
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
See attached document for complaint.
My Mazda3, odometer reading about 3000 miles, would not start. I have been driving normally daily, do not leave lights on or any other equipment connected when the car is off. I have not had any warning lights displayed other than startup. Monday I drove to my local CT. golf course, 20 miles from home, arrived at 9am. 5 hours later I after golf, I can’t open trunk. Fortunately I left the car…
I was denied work on a network issue recall 3 separate times at the dealership I bought the car. The first time I was told it was because of a smell. If I clean the car, they will fix it. I noticed after they were in the car my backup camera didn’t work which I also thought might be a recall but found out it wasnt. I went ahead and cleaned it twice. I came back they alleged it smelled like cat…
Car gives me emergency brake warnings about imminent collision maybe once or twice a week with nothing in front of me what so ever and once even straight up just brought me to a complete halt in the middle of the road with absolutely nothing in the road. The dealership basically told me it was a known issue and that “some models are more sensitive than others” and that they will be doing nothing…
The contact leased a 2024 Mazda Mazda3. The contact stated that while driving at 55–60 mph, the windshield wipers continued to stay in the on position and failed to turn off. The parking brake engaged without application and turned on and off. All the electrical systems malfunctioned and failed to turn off. The lane assist engaged and forced the vehicle to crash into the side wall. All the…
Had electrical trouble with your 2024 Mazda Mazda3?
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 2024 Mazda Mazda3?
It's a meaningful issue. 5 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Based on the 5 complaints filed, electrical issues most often appear around 1,900 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/2024/Mazda/Mazda3.
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.