OXYGEN SENSOR SHORTED OUT THE POWERTRAIN CONTROL MODULE CAUSING THE ENGINE TO ALMOST STALL OUT AND ENGINE LIGHT TO COME ON AND FLASH. HAD TO REPLACE OXYGEN SENSOR AND POWERTRAIN CONTROL MODULE. *JS
2012 Jeep Grand Cherokee powertrain problems
severe 82 complaints filed with NHTSA · avg repair $2,500
Complaints
82
Recalls
0
Crashes
3
Avg fix
$2,500
What owners are reporting 2 most recent
The transmission shifts strangely, and it seems like it cannot decide which gear it needs to be in for normal operations. It also causes the vehicle to stall while driving. Also, at times it stays in only one gear, and you cannot even shift gears manually. Intermittently, the vehicle starts out in a higher gear, and it doesn’t correct itself, so acceleration is way below what it needs to be. I hav…
Common questions
How serious is the powertrain problem on the 2012 Jeep Grand Cherokee?
It's a meaningful issue. 82 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?
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 $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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.
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