2012 Nissan altima sl 115,425 miles and transmission dead.
2012 Nissan Altima powertrain problems
moderate 144 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
144
Recalls
0
Avg fix
$2,500
1crash
1fire
1injury
When does it fail?
Of the 144 powertrain complaints filed for the 2012 Nissan Altima, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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.
What stands out
Powertrain accounts for 34% of every owner complaint on file for this vehicle — the dominant problem area across 12 categories tracked.
Owners have filed 144 powertrain complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
The failure pattern owners describe
Buyer takeaway: 2012 Nissan Altima CVT transmissions show a pattern of power loss, thermal limp mode, and complete failure starting around 30k–80k miles, especially during hot weather or extended highway driving. Many owners report paying $3,500–$5,200 out-of-pocket after warranty expiration, and Nissan has not recalled 2012 models despite settling extended-warranty cases on 2008–2010 models.
The 2012 Nissan Altima CVT powertrain generates consistent complaints of sudden acceleration loss and limp-mode activation, most often after 45 minutes to 2 hours of highway driving or in hot weather. Owners describe deceleration from 70–85 mph down to 20–45 mph with the gas pedal floored and no engine warning lights. The vehicle feels as if it has lost all power or dropped into neutral; some report high RPMs (3000–5000) that produce no speed increase. These events typically occur on hills or during warm-weather driving, especially in climates like California, Arizona, and the South. After a 10- to 30-minute cool-down period, the vehicle usually restarts and functions normally until the transmission heats again.
Owners also report transmission failure from complete stops—the car crawls at 20 mph or refuses to move despite full throttle—and internal transmission deterioration ("burned," "disintegrated," or "totally unreparable"). Some vehicles exhibit loud whining or squealing from the transmission, erratic RPM behavior, and stepper-motor codes (P1778, P0744, P0746) that dealers say require full transmission replacement ($3,500–$5,200+). Nissan's offered solution is a $640 external transmission cooler, per Technical Service Bulletin NTB-13-079, though owners report the cooler is often suggested only after failure or is ineffective long-term.
One owner reported vehicle fire with no prior warning. Owners consistently note that 2008–2010 Nissan Altimas received a recall and extended transmission warranty to 120k miles, but the 2012 model was excluded despite identical failure patterns documented across hundreds of NHTSA and consumer complaints.
Same Nissan Altima powertrain reports on nearby years: 2010 · 2011 · 2013 · 2014 · 2015
Failure modes owners describe
Sudden loss of power / limp mode activation
Transmission enters failsafe or 'limp mode' during highway driving, typically after 45 minutes to 2+ hours of driving or during hot weather, causing severe deceleration (from 70–85 mph down to 20–45 mph). Vehicle fails to accelerate even with pedal floored. Most commonly occurs on inclines or in hot climates. No warning lights or minimal diagnostics available.
When: Typically 30k–120k+ miles; triggered by prolonged highway driving (45 min–2 hrs), hot weather (80°F+), hill climbing, or transmission overheating
Symptoms owners cite: Sudden deceleration from highway speed (70–85 mph) to 20–45 mph with no warning; Complete loss of acceleration response despite flooring gas pedal; Whining or humming noise from transmission prior to loss of power; Vehicle feels like it is in neutral or has no engine rev; High RPMs (3000–5000) with no speed increase; No check engine light or diagnostic codes appearing until mode is fully engaged
Codes mentioned: P0744 (Torque Converter Clutch intermittent), P1778 (Stepper motor), P0746, P0826, P1778, P0868
Repairs/costs cited: Full transmission replacement cost $3,500–$5,200+. Nissan technicians offer $640 transmission cooler as temporary fix (TSB NTB-13-079). Rebuild option reportedly $4,000. Parts mentioned: valve body, torque converter clutch solenoid, transmission fluid.
Recalls/TSBs owners mention: TSB NTB-13-079 identifies sensor causing limp mode when transmission overheats; recommends external transmission cooler installation. Earlier model years (up to 2010) covered by recall and extended transmission warranty to 120k miles; 2012 model not included in recall.
Transmission failure / no acceleration from stop
Transmission fails to provide forward motion from a complete stop or at low speeds. Vehicle will crawl or refuse to move despite engine revving. Most frequently occurs after extended highway driving or on hills. Some cases show transmission has 'burned out' or 'disintegrated' internally.
When: 30k–100k+ miles; can occur during initial ownership or after years of use
Symptoms owners cite: Vehicle crawls at 20 mph or less when attempting to accelerate from a stop; Gas pedal to floor produces no speed increase or minimal crawl for 30 seconds to 1 minute; No forward motion despite engine revving; Transmission makes no engagement noise or shifts with a jerk; On hills, vehicle rolls backward or cannot climb; Random occurrence, sometimes multiple times in one day
Codes mentioned: P0744 (Torque Converter Clutch), P1778
Repairs/costs cited: Full transmission replacement $3,900–$5,200+. One owner reported transmission 'burned' and needed complete replacement. Dealers report transmission 'totally disintegrated' and 'unrepairable.' One case mentioned coolant leak into transmission fluid from radiator, causing damage.
Recalls/TSBs owners mention: Warranty only covers transmission 60k miles or 12 months (some later extended to 70k or 100k miles under TSB pressure). Dealers initially misdiagnosed issue as throttle sensor, then blamed transmission once out of warranty. No recall for 2012 model despite known issues in earlier years (extended warranty recall on 2008–2010 models).
Transmission overheating and thermal limp mode
Transmission fluid overheats due to inadequate cooling system design, causing vehicle to enter thermal safety mode with RPM and speed limits (typically 2900 rpm ceiling, max 45–65 mph). Cooling system insufficient for highway use in warm climates. Vehicle cools, resets, and works normally until heat builds again.
When: First occurrence often 40k–60k miles; repeats at 50k+ miles; more frequent in hot weather or extended trips
Symptoms owners cite: Loud whining noise from transmission (similar to power steering pump about to fail); RPM ceiling at 2900–3500 rpm regardless of pedal input; Speed locked at 45–65 mph maximum; Vehicle feels underpowered and sluggish; Noise and power loss occur after 45 min–2 hrs of driving; Resets after vehicle sits 10–20+ minutes with engine off; No warning lights when failure occurs; no diagnostic codes until mode engages
Codes mentioned: P0744 (Torque Converter Clutch intermittent)
Repairs/costs cited: Nissan's solution: external transmission cooler installation ($640 reported). Some owners paid out-of-pocket for cooler, only to have limp mode reoccur 2 years later. Fluid flush/replacement offered at 60k–100k mile service with minimal improvement. One case cited transmission fluid overheating; codes indicated 'CVT A at 4' and 'CVT B at 7' (overheated condition).
Recalls/TSBs owners mention: TSB NTB-13-079 (issued late 2015 for some dealers) recommends transmission cooler installation. Extended warranty extended to 100k miles for some vehicles (2012 model with later service bulletins). However, cooler is not always covered or recommended until failure occurs. Nissan aware of thermal issue but treats cooler as optional aftermarket service.
CVT transmission fluid leakage
Transmission fluid leaks from transmission seals or pan, causing low fluid levels and degraded performance. Leak may be difficult to detect without lifting vehicle or removing components.
When: 30k miles or earlier
Symptoms owners cite: Fluid visible under vehicle or on transmission housing; Service technician notes leak during inspection; Owners report leaks initially misidentified as A/C or power steering fluid
Repairs/costs cited: Replaced under warranty at 30k miles. One owner provided photos to dealer to prove leak after technician initially denied it.
Recalls/TSBs owners mention: Covered under 60k-mile powertrain warranty when properly diagnosed and verified.
Vehicle fire
Transmission-related fire occurring during normal driving with no prior warning. Vehicle fully engulfed in flames. No engine temperature gauge rise or warning lights prior to fire.
When: Unclear exact mileage; vehicle maintained regularly
Symptoms owners cite: Orange-colored rain or haze visible in headlights; Flames visible from transmission/underbody area; No warning lights or temperature gauge change prior to fire; Door locks and windows would not operate during fire; Complete vehicle loss
Repairs/costs cited: Vehicle destroyed; unable to determine exact cause. Owner had maintained vehicle per manufacturer recommendations.
Recalls/TSBs owners mention: None documented. Owner stated they have another 2012 Nissan Altima with 300k miles in good running condition, suggesting maintenance is not the issue.
Transmission shift/gear selection malfunction
Transmission fails to properly engage gear or shift select assembly breaks/malfunctions, causing vehicle to enter failure mode with no acceleration. Gear shift moves inconsistently or does not engage desired gear. Vehicle acts as if in neutral.
When: Occurs on relatively young vehicles (2–5 years old); failure mileage varies
Symptoms owners cite: Gear shift moves sometimes but not others; No acceleration despite selector input; Car acts as if in neutral with engine revving; Shift select assembly broken or jammed; No warning light prior to failure
Repairs/costs cited: Shift select assembly malfunction diagnosed. No repair cost documented.
Recalls/TSBs owners mention: Failure mode triggered with no warning indicator. Nissan contacted; complaint acknowledged but no remedy offered.
Erratic RPM behavior and transmission noise
Engine RPMs jump erratically or rev uncontrollably regardless of pedal input, often accompanied by high-pitched squealing or whining from transmission. Severe cases prevent normal gear shifting or speed control.
When: 60k–120k+ miles; often after warm-up or extended driving
Symptoms owners cite: RPMs jump to 4000–5000 rpm without pedal input or during light acceleration; High-pitched squealing or whining noise from transmission (even at idle and in park); Squealing increases with engine rev; CVT will not change gear ratios normally; Extreme acceleration sluggishness despite high RPMs; Speed capped at 55–65 mph maximum even with high RPMs
Codes mentioned: P1778 (Stepper motor / 'death code')
Repairs/costs cited: Stepper motor identified as fault. Dealers offer only full transmission replacement ($4,000–$5,000), claiming stepper motor cannot be serviced separately. One owner had pending DTC P1778 code.
Recalls/TSBs owners mention: No stepper motor repair option; replacement only. Dealers do not attempt component-level repair.
Synthesized from 144 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 7 most recent
While driving, or wanting to drive after coming to a stop, the engine rpms will increase when the accelerator is pressed (up to red line), but the car transmission does not respond until, suddenly, the car lunges forward. This can happen from a cold start, at a traffic light, after a quick stop at a business while the vehicle is still warm, etc.
While driving, either with the cruise control or without, the engine rpms will quickly bounce between high rpms and low rpms though the speed of the vehicle does not change at all. The engine is revving faster, but the transmission does not appear to be engaged. This happens frequently.
CVT transmission was built poorly, the transmission is slowly destroying itself causing a loss of power, high pitched whining noise and eventually fail. The date I selected for when it happened is the date I noticed the issue on my vehicle.
No forver gear or reverse gear at all .and have alot of code 720 1723 1778 0868 0715 1722 0746 0826 1701
Transmission spudders at times. It is very delayed when pulling out sometimes. Turning the car off and back on might help sometimes. Car will go in limp mode. Nissan dealer said it was the Transmission. There is a big safety concern because when you push the gas trying to cross an intersection, it might lag behind and not go. This could result in being hit. This has been a great car but the cat…
I was driving my 2012 Nissan altima on a busy 4 lane road. I was in the turning lane when my car refused to accelerate. I had power and the engine revved when I pushed on the pedal, but the car would not move. I put the car in park, shut it off and restarted it. The car then jerked its way through the intersection. A few hundred more yards and it stopped again in the middle of the road. I…
Had powertrain trouble with your 2012 Nissan Altima?
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 powertrain problem on the 2012 Nissan Altima?
It's a documented issue but not catastrophic. 144 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?
Across the 107 complaints that reported odometer mileage, most powertrain failures cluster between 70,000 and 114,000 miles, with the median around 95,000. A quarter of owners report trouble before 70,000; a quarter make it past 114,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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.
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/2012/Nissan/Altima.
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.