Service Manual Revision - This Technical Service Bulletin provides corrections to the description of special tools used to install the oil seal within the Automatic Transaxle sections of the applicable Service Manuals.
full bulletin at NHTSA ↗2012 Mitsubishi Lancer powertrain problems
severe 5 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
When does it fail?
Of the 5 powertrain complaints filed for the 2012 Mitsubishi Lancer, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 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.
Of the 8 model years of Mitsubishi Lancer we track for powertrain problems, this one has the fewest owner complaints on file (5).
No new NHTSA powertrain complaint has been filed on this vehicle in over 7 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 powertrain 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 Technical Service Bulletin provides service manual corrections and additional information for the transaxle assembly removal and installation of the roll stopper bracket.
full bulletin at NHTSA ↗This is a service newsletter (Tech Talk) that was sent out to dealers.
full bulletin at NHTSA ↗This is a service newsletter (Tech Talk) that was sent out to dealers.
full bulletin at NHTSA ↗This is a service newsletter (Tech Talk) that was sent out to dealers.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
El carro cuando va subiendo cuesta largas no accelera se queda sin fuerza y dice que baje la velocidad si el solo lo baja y no permite acceleral y el motor tiene un ruido queno es normal ni lo hacia antes
Received vehicle at 10km, after 2 oil changes, at 16000km miliege dropped from 700km on a tank of gas to 300km tank of gas. At 24000km heavy transmission and engine noises occurred. Gears slipping out while accelerating causing rpms to shoot up to 6000-7000 while vehicle not moving. Timing belt and pulleys not working properly causing to much engine noise. Metal grinding and whistling sound…
While driving on the highway I went to accelerate to keep up with my traffic and my car was slow to acceleration. While still driving I went to get off the highway, took an exit and after stopping at stop sign while my foot was on the gas to go the car didn't respond to go but then jerked and accelerated very slowly. There's was a recall on the CVT transmissions for lancers but years 14-16 for…
Sst transmission will shift out of gear while driving like it in neutral. Then when you pull over only way to get it shifting gears is to turn car off wait 10 sec and turn back on . Then drives normal again. Been driving like this for two years car has 60000 miles
The ayc/acd pump failure
Common questions
How serious is the powertrain problem on the 2012 Mitsubishi Lancer?
It's a meaningful issue. 5 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Based on the 5 complaints filed, powertrain issues most often appear around 72,910 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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.