TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
full bulletin at NHTSA ↗2012 Toyota Prius steering problems
critical Owners of the 2012 Toyota Prius have filed 24 NHTSA complaints about the steering, typically surfacing around 59,815 miles at roughly $700 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See steering across all vehicles →
| Model year | steering complaints |
|---|---|
| 2008 Prius | 18 |
| 2009 Prius | 13 |
| 2010 Prius | 30 |
| 2011 Prius | 7 |
| 2012 Prius (this page) | 24 |
| 2013 Prius | 8 |
| 2014 Prius | 11 |
| 2015 Prius | 3 |
When does it fail?
Of the 24 steering complaints filed for the 2012 Toyota Prius, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 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.
No new NHTSA steering complaint has been filed on this vehicle in over 6 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 steering 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.
TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone. ? Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ? Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
full bulletin at NHTSA ↗SUMMARY TO BE PROVIDED ON A FUTURE DATE.
full bulletin at NHTSA ↗The vehicle will not start or ready-on and the steering wheel lock is engaged so that the steering wheel may only be turned very little from side-to-side.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners describe a pattern of steering problems on 2012 Prius models that emerge across a range of mileages. The most frequent complaint is looseness or play in the steering shaft or column—owners feel rattling, knocking, or clunking when turning or driving over bumps, and dealers typically diagnose intermediate steering shaft wear or loose mounting bolts requiring replacement at costs around $500–$1,100. Several owners report the steering column bolt coming loose inside the sealed assembly, a manufacturing or design defect that one dealer warned could jam brake linkages.
Power steering failures also show up, with owners losing assist suddenly while driving and facing stiff steering wheels that require full force to turn. In one case, this coincided with brake booster failure and illuminated warning lights. A few owners describe steering wheel looseness so severe the car won't track straight—constant adjustment needed—or steering that simply fails without warning.
Less common but serious reports include a steering column that released during driving and would not relock, and a carbon-fiber steering wheel decomposing in heat, shedding glass fibers onto hands. One complaint links a steering-related incident to a broader hybrid system failure (inverter/power module recall 15V449) that preceded a fatal crash. Another owner reports brake failure coinciding with steering issues after a Toyota "World Class" inspection found brakes okay just before the incident.
Dealers often cannot locate or reproduce the problem, and Toyota has not issued a recall for 2012 models despite similar defects on earlier Prius years.
Same Toyota Prius steering reports on nearby years: 2009 · 2010 · 2014
Failure modes owners describe
Intermediate/Steering Shaft Looseness and Wear
Intermediate steering shaft or column develops free play, rattling, or clunking noise, particularly over bumps or when turning. Owners report looseness transmitted to the steering wheel. Dealers diagnose worn or loose intermediate shaft requiring replacement.
When: Ranges from 10 miles to 178,000 miles; most commonly reported 47,000–130,000 miles
Symptoms owners cite: Rattling or knocking from under dash/front wheel wells; Clunking noise when turning left or right; Looseness felt in steering wheel when going over bumps; Sensation of 'play' in steering system; Steering wheel feels as though it could fall off
Repairs/costs cited: Intermediate steering shaft replacement; repair estimates $500–$1,100. Dealer at complaint #4 could not source parts and timeline unknown.
Recalls/TSBs owners mention: No recall issued for 2012 model; similar defects on earlier Prius years have been recalled. Dealers on some complaints unable to locate or reproduce the problem.
Steering Column Bolt Looseness
A large pivot bolt inside the sealed steering column assembly comes loose, creating steering feel problems. One dealer warned a loose bolt could drop and interfere with brake linkages, creating a risk of brake loss.
When: Discovered during routine maintenance inspection
Symptoms owners cite: Steering feels funny or loose; Pivot bolt found loose inside sealed column area
Repairs/costs cited: Bolt reinstalled and secured with thread lock; repair cost $330–$532 depending on whether entire column reinstallation was needed.
Recalls/TSBs owners mention: Complaint filed with Toyota with no response reported. Owner notes this represents either a manufacturing or systematic design flaw.
Power Steering Assist Loss
Power steering becomes inoperable or loses assist while driving. Steering wheel becomes very stiff and requires full strength to turn. In one case, loss of power steering coincided with brake booster failure and multiple warning lights.
When: 50,000 miles (complaint #13); 178,000 miles (complaint #12); unspecified (complaint #9)
Symptoms owners cite: Power steering becomes inoperable; Steering wheel becomes very stiff and loose simultaneously; Vehicle shakes when turning; No electricity reaching steering column; Vehicle veers unpredictably when turning wheel
Codes mentioned: EPS (Electric Power Steering) warning light illumination
Repairs/costs cited: Complaint #13 required new steering column. Complaint #10 required brake booster repair (also tied to steering/brake system). Complaint #12 not diagnosed or repaired.
Recalls/TSBs owners mention: Complaint #10 owner related failure to NHTSA Campaign 13V235000 (Service Brakes), though diagnosis was brake booster failure. Manufacturer notified but no recall action noted for steering-only power loss.
Steering Column Adjustment Lock Failure
Steering column adjustment mechanism releases during driving and will not relock, allowing the column to move forward/back and up/down freely. Makes the car difficult to drive as steering column will not stay in one position.
When: Unspecified mileage; failure occurred during motion
Symptoms owners cite: Steering column adjustment released while driving; Column moved forward and back, up and down; Column would not relock in fixed position; Car difficult to drive due to unstable column
Repairs/costs cited: Dealer removed column and reinstalled loose bolt with thread lock; repair cost $532.
Steering Wheel Track/Alignment Drift
Vehicle fails to drive in a straight line and drifts left and right without steering input, or driver must constantly adjust steering wheel to keep vehicle straight. One early failure (10 miles) suggests possible initial assembly misalignment.
When: 10 miles (very early); 45 mph highway speed reported on one complaint
Symptoms owners cite: Vehicle drifts left and right; Constant steering wheel adjustment required; Vehicle will not track straight
Repairs/costs cited: Complaint #14: dealer unable to diagnose cause. Complaint #9: vehicle stopped accelerating and EPS warning light came on simultaneously.
Recalls/TSBs owners mention: Manufacturer notified on at least one complaint (#14) but no action reported.
Tie Rod Looseness
Inner left tie rod found loose during annual inspection. Toyota has no individual part number for the tie rod, requiring replacement of the entire steering assembly.
When: Identified at routine annual inspection; mileage unspecified
Symptoms owners cite: Inner tie rod loose
Repairs/costs cited: Entire steering assembly replacement required; parts cost ~$1,000 plus ~$1,000 labor. Individual tie rod part unavailable from Toyota.
Carbon-Fiber Steering Wheel Material Degradation
Carbon-fiber steering wheel material decomposes in Florida heat and sun, shedding carbon glass fibers that irritate hands and are visible under sunlight.
When: Discovered in hot/sunny climate (Florida)
Symptoms owners cite: Carbon glass fibers visible on steering wheel surface; Fibers shed into hands; Hands become red and itchy from fiber contact
Repairs/costs cited: No repair or replacement offered; owner suggests leather covering.
Recalls/TSBs owners mention: Owner reports Toyota does not answer support phones and complaint website was non-functional.
Steering System Anomaly with Brake System Interaction
Brakes engaged spontaneously without driver input while driving at highway speeds on curves. Owner interprets as unintended brake intervention, causing vehicle to pull left and nearly causing loss of control.
When: Multiple instances at 40–45 mph
Symptoms owners cite: Brakes engaged without driver input; Vehicle pulled to the left; Occurred on curves at highway speeds
Synthesized from 24 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Inner left tie rod loose, revealed when annual inspection conducted. Toyota has no part number for the inner tie rod (est price $30.00) so must purchase entire steering assembly (part cost = $1,000; labor about the same).
Common questions
How serious is the steering problem on the 2012 Toyota Prius?
It's a serious issue. 24 complaints have been filed, including 2 reports involving a crash and 2 fatality(ies). We've classified it as critical based on NHTSA's reported outcomes.
At what mileage does the steering typically fail?
Across the 17 complaints that reported odometer mileage, most steering failures cluster between 40,000 and 92,400 miles, with the median around 59,815. A quarter of owners report trouble before 40,000; a quarter make it past 92,400. 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 $700 for steering 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 steering?
No active recalls currently cover steering 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.