This Service Information Bulletin announces Service Manual updates for the diagnosis of hands-free calling and voice recognition concerns.
full bulletin at NHTSA ↗2024 Subaru Ascent electrical problems
severe Owners of the 2024 Subaru Ascent have filed 4 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of November 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Complaints
4
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2020 Ascent | 98 |
| 2021 Ascent | 18 |
| 2022 Ascent | 4 |
| 2023 Ascent | 4 |
| 2024 Ascent (this page) | 4 |
1crash
1injury
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 bulletin provides a step-by-step diagnostic procedure for resolving Remote Engine Start (RES) failures for both Telematics and remote engine start equipped vehicles.
full bulletin at NHTSA ↗This Service Information Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. This is an revised version of the original bulletin.
full bulletin at NHTSA ↗This Bulletin procedure announces a revised diagnostic procedure for DTC B28A6 INTERNAL STEREO CAMERA COMMUNICATION.
full bulletin at NHTSA ↗This Bulletin provides a diagnostic procedure for customer concerns about hesitation, reduced acceleration, or lack of power when driving uphill or under heavy engine load. This is an revised version of the original bulletin.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
Uncommanded maximum braking with simultaneous high-voltage and low-voltage shutdown. Vehicle is not safe in Florida with puddles or any types of ongoing obstructions vehicle shuts down in the middle of traffic if it perceives you do not match Google maps
Had electrical trouble with your 2024 Subaru Ascent?
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 Subaru Ascent?
It's a meaningful issue. 4 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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/Subaru/Ascent.
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.