This bulletin describes corrective action needed to address complaints of reduction in engine power output due to activation of the continuously variable transmission (CVT) temperature protection control system due to deterioration of the CVT fluid or malfunction of the transmission control module.
full bulletin at NHTSA ↗2012 Suzuki SX4 powertrain problems
moderate Owners of the 2012 Suzuki SX4 have filed 4 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
| Model year | powertrain complaints |
|---|---|
| 2011 SX4 | 3 |
| 2012 SX4 (this page) | 4 |
| 2013 SX4 | 4 |
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 BULLETIN ANNOUNCES THE AVAILABILITY OF AN IMPROVED DRIVESHAFT FLANGE AND DIFFERENTIAL SIDE OIL SEAL FOR 4WD SX4 VEHICLES. THE IMPROVED PARTS HAVE BEEN DESIGNED TO IMPROVE PREVENTION OF CORROSION ON VEHICLES DRIVEN IN SEVERE WEATHER CONDITIONS.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 0 most recent
Common questions
How serious is the powertrain problem on the 2012 Suzuki SX4?
It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 4 complaints filed, powertrain issues most often appear around 168,806 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.