This revised Technical Service Bulletin instructs dealers to confirm that the SDA2 Audio Unit touch screen is unresponsive, and if confirmed, to replace the SDA2 Audio Unit.
full bulletin at NHTSA ↗2021 Mitsubishi Outlander Sport electrical problems
moderate 6 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
When does it fail?
Of the 6 electrical complaints filed for the 2021 Mitsubishi Outlander Sport, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
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.
Among the 5 model years of Mitsubishi Outlander Sport in our records for electrical problems, this one ranks #2 by owner-complaint volume.
No new NHTSA electrical complaint has been filed on this vehicle in over 3 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 parts bulletin provides clarification on the correct part numbers to order / use based upon the situation of repair / replacement.
full bulletin at NHTSA ↗This Technical Service Bulletin instructs dealers to confirm that the SDA2 Audio Unit touch screen is unresponsive, and if confirmed, to replace the SDA2 Audio Unit.
full bulletin at NHTSA ↗This Technical Information Notice informs dealers that the Apple CarPlay and Android Auto icons do not show up on the display when the radio is replaced under Warranty Extension and how to correct the issue..
full bulletin at NHTSA ↗This Technical Information Notice informs dealers of a warranty extension for an unresponsive touch screen on the SDA2 Audio Unit.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 6 most recent
I was driving approximately 35MPH on a 4-lane road with no vehicles in front of me. The car came to a hard stop. The stop was so hard that my purse flew from the passenger seat to the floor. I was wearing my seat belt which tightened up but my body still moved forward causing me neck pain. I did notice briefly that a flashing yellow light was on the dashboard. There were no objects in front of…
The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated while driving approximately 35 MPH, the vehicle was stalling and not accelerating as needed. The check engine warning light was illuminated. The vehicle was taken to the dealer for an unknown recall repair. The vehicle was repaired; however, the failure reoccurred. The vehicle was taken back to the dealer but was not repaired.…
Multiple and random Cylinder misfires. fixed more than three times and continuously, same issue. many issues with revving up. safety risk while driving due to stalling.
Infotainment system failed. Touchscreen does not work incurring a major distraction when trying to change to navigation or utilize android auto.
Driving home with no other cars around the forward collision warning goes off for no reason losing power and slowing down on it's own. This has been an ongoing situation since the car was new, I've made numerous attempts to have my local dealership look into this situation and all they tell me is to take video when it happens.
The contact owns a 2021 Mitsubishi Outlander Sport. The contact stated that the catalytic converter was stolen from the vehicle, and a new catalytic converter was installed. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, who diagnosed the vehicle with catalytic converter failure. The…
Common questions
How serious is the electrical problem on the 2021 Mitsubishi Outlander Sport?
It's a documented issue but not catastrophic. 6 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 6 complaints filed, electrical issues most often appear around 14,000 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.