Transmission started slipping and then failed completely.had to have car towed to dealer.they say it needs transmission replaced.they say rust caused a hole in tubing and fluid ran out.car has just more than 73,000 miles on it.car serviced routinely,not driven in bad weather much.
2006 Ford Fusion 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
2crashes
1fire
2injuries
When does it fail?
Of the 144 powertrain complaints filed for the 2006 Ford Fusion, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 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
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.
Powertrain accounts for 20% of all owner complaints filed against this vehicle, across 12 categories tracked.
The failure pattern owners describe
Owners report widespread transmission slipping and harsh shifting, typically beginning between 40,000 and 65,000 miles. The problem manifests as the transmission dropping out of gear during acceleration, highway merging, or uphill driving, causing the engine to rev high (often 4,000–5,000 RPM) while the vehicle coasts or moves slowly. When the transmission re-engages, it often slams hard into gear with violent jerking that owners describe as dangerous. Some vehicles won't shift out of higher gears at low speeds, forcing very slow acceleration; others fail to downshift properly on hills or during acceleration attempts.
Owners frequently report the wrench light or check engine light illuminating during these events. Many note the problem resolves temporarily after shutting off and restarting the engine. Owners identified the Aisin F21 automatic transmission as the source and cite a known valve body defect with main control spool bore wear. Ford service bulletins (TSB 07-26-9, TSB 08-24-1, TSB 08-24-1) document "harsh shifting" and recommend valve body or main control replacement, yet no recall has been issued for 2006 models.
Repair estimates range from $800–$1,000 for valve body replacement (if internal clutches aren't damaged) to $4,000–$5,000 for full transmission replacement. Owners report Ford denies warranty coverage outside the factory period and declines to cover repairs under extended customer satisfaction programs applied to later model years. Several owners mention the transmission problem appears tied to throttle body issues, with some receiving P-code diagnostics related to throttle control.
Same Ford Fusion powertrain reports on nearby years: 2007 · 2008 · 2009
Failure modes owners describe
Transmission slipping and harsh shifting
Transmission drops out of gear during acceleration, highway driving, merging, or uphill driving. Engine revs high (4,000–5,000 RPM) while vehicle coasts or loses power. Transmission re-engages with violent jerking or hard slam into gear. Occurs randomly and unpredictably at various speeds.
When: Typically 40,000–65,000 miles; some cases at 55,000–100,000 miles
Symptoms owners cite: Transmission slips out of gear; Loss of forward power while engine revs; Hard, violent downshifting with loud clunk or bang; Hesitation and jerking during acceleration; Inability to accelerate smoothly on merges or hills; Vehicle stuck in high gear at low speeds (very slow acceleration); Bucking or surging of acceleration and deceleration; Wrench light and/or check engine light illumination
Codes mentioned: P-code throttle-related (exact code not specified in all narratives)
Repairs/costs cited: Valve body/main control replacement: $800–$1,000 if clutches not damaged; full transmission replacement: $4,000–$5,000. Owners cite Ford valve body part cost at $1,400 and labor charges of $200–$400. Some replaced transmissions with used parts from salvage (reported problematic).
Recalls/TSBs owners mention: TSB 07-26-9 (Aisin transmission harsh shifting – PCM/TCM calibration update), TSB 08-24-1 (transmission harsh shifting, valve body replacement). Ford CSP #13N03 covers some newer Fusions and other models but explicitly excludes 2006 models. Ford denies warranty coverage outside factory period (typically 36,000–60,000 miles) and refuses to cover repairs under extended programs, even when owners purchased extended warranties.
Throttle body power loss and limp mode
Vehicle suddenly loses power during highway or city driving; engine idles but will not accelerate beyond 15–20 MPH. Wrench light and sometimes check engine light illuminate. Problem resolves after shutting off and restarting engine, but recurs sporadically.
When: 2013–2015 timeframe reported; also across 2011–2014 range; mileage 51,000–70,000 miles
Symptoms owners cite: Sudden loss of speed and power; Engine idles rough but will not accelerate; Vehicle slows to 15–20 MPH despite pedal input; Wrench light indicator on; Check engine light on; Traction light on; Problem intermittent, resolves after restart
Codes mentioned: P-code (throttle-related; exact code not stated by all owners)
Repairs/costs cited: Throttle body replacement: $788.94 (parts and labor combined, reported by one owner in 2015). Dealer cleaned throttle body for $232 with no resolution in at least one case.
Recalls/TSBs owners mention: Ford issued 10-year extended warranty from purchase on throttle body, but applies selectively by VIN; some owners' VINs excluded despite recall documentation. Ford Customer Satisfaction Program (CSP) does not cover 2006 models; Ford offers to reimburse repairs after-the-fact if a future CSP is issued. One owner paid out-of-pocket despite Ford's stated 10-year warranty.
Shifter stuck in park / key stuck in ignition
Gear shift difficult to move from park; key cannot be removed from ignition even with shift in park. Problem intermittent; described as decorative ring around shifter button preventing full disengagement of park interlock.
When: Reported at various mileages; no specific pattern provided
Symptoms owners cite: Shifter stuck in park or difficult to shift; Key stuck in ignition despite car in park; Car can roll if not fully in park (safety risk on slope); Problem occurs multiple times, then resolves temporarily
Repairs/costs cited: Shift interlock solenoid replacement required; estimated cost over $400 per one narrative. One owner found temporary workaround (shifting without pressing button). Dealers acknowledged issue but offered no recall remedy.
Ignition coil failure and computer system malfunction
Ignition coils melt; computer control module fails. Vehicle exhibits hesitation, shaking, and loss of power. Check engine light and wrench light illuminate.
When: Around 65,000 miles (reported in 2012)
Symptoms owners cite: Car hesitates and shakes violently; Loss of acceleration; Check engine light on; Wrench light on; Melted ignition coils discovered during inspection
Repairs/costs cited: Ignition coils and computer system replacement: approximately $1,500. One owner reported coils had actually melted.
Synthesized from 144 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
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Common questions
How serious is the powertrain problem on the 2006 Ford Fusion?
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 129 complaints that reported odometer mileage, most powertrain failures cluster between 55,000 and 97,780 miles, with the median around 73,000. A quarter of owners report trouble before 55,000; a quarter make it past 97,780. 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/2006/Ford/Fusion.
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.