Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. Pinpoint test HK in the Powertrain Control and Emissions Diag
View on NHTSA →2015 Ford Mustang powertrain problems
moderate 36 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
36
Recalls
0
Avg fix
$2,500
1fire
What stands out
Owners have filed 36 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.
No new NHTSA powertrain complaint has been filed on this vehicle in over 11 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 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.
During service and repair requiring removal and replacement of a crankshaft bolt and/or crankshaft damper, achieving proper torque of the crankshaft pulley bolt is critical. Incorrect torque may allow the bolt to loosen resulting in the timing gear breaking an
View on NHTSA →Some 2015-2017 Mustang vehicles equipped with 3.7L and 5.0L built on or before 1-Apr-2017 equipped with a 6R80 transmission may exhibit a clunk or ping noise from the driveshaft when shifting from reverse to drive or drive to reverse. A revised driveshaft whic
View on NHTSA →Some 2015-2020 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. This may be due to small debris causing the VCT solenoid to s
View on NHTSA →Some 2015-2019 Mustang GT350/GT350R vehicles may exhibit a hesitation or surge in the vehicle with no diagnostic trouble codes (DTCs) present. This may be accompanied by an inoperative cruise control system. This may be due to a transmission output shaft flang
View on NHTSA →Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of 2015 Ford Mustangs describe a wide spectrum of powertrain failures across manual and automatic transmissions. The most common complaint by volume is a driveline vibration occurring at 50-75 mph that owners report affects an estimated 40% of the model year. Multiple owners state Ford has deemed this "normal operating characteristics" despite dealers replacing drivetrafts, tires, and attempting rebalancing without resolution.
Clutch pedal welds are breaking or cracking at the pivot assembly, typically in the 90,000-mile range but sometimes earlier. Owners report the pedal becoming loose, difficult to depress fully, or binding during operation. One engineer-owner noted the design has insufficient welds around only 90 degrees of circumference, concentrating stress.
Manual transmission issues include harsh or grinding shifts, loud thuds or clunks when engaging gears, and refusal to shift out of first gear under heavy acceleration. Automatic transmission owners report refusing to shift from first, rough shifting at various speeds, torque converter failures, and intermediate shaft damage. Several owners mention either replacing the transmission under warranty only to have it fail again, or being denied coverage.
Engine noise issues include tick/tap/typewriter sounds at idle on V-6 models. Differential bearing failure has been reported. Some vehicles experience rough idle triggered by malfunctioning VCT solenoids. AC and evaporator failures are cited as known issues causing windshield fogging.
Same Ford Mustang powertrain reports on nearby years: 2012 · 2013 · 2014 · 2016 · 2017
Failure modes owners describe
Driveline vibration at highway speeds
Vehicle exhibits violent or pronounced vibration at 50-75 mph, felt through steering wheel and seats. Occurs in both manual and automatic variants. Multiple owners report the problem is present from initial purchase and occurs regardless of tire replacement or driveshaft replacement. Ford has deemed it normal operating characteristics.
When: 50-75 mph cruising; one owner reported it at 1500-1750 rpm stationary revs
Symptoms owners cite: Violent or extreme vibration at highway speeds; Vibration felt in steering wheel and seats; Vibration at specific rpm ranges (1500-1750, 2500); Vibration occurs in both 5th and 6th gear
Repairs/costs cited: Driveshaft replaced without resolving issue; tires replaced and rebalanced multiple times without success
Recalls/TSBs owners mention: Ford stated the vibration is normal operating characteristics for Mustangs and closed cases without repair
Clutch pedal weld failure at pivot
Welds joining the clutch pedal arm to the pivot bar crack or break completely, allowing lateral movement and binding of the pedal. One mechanical engineer owner noted the design is not robust to manufacturing variations due to welds being only 90 degrees around the circumference. Owners report dozens of similar failures in online forums.
When: Reported at 90,000+ miles but design defect present from manufacture
Symptoms owners cite: Clutch pedal becomes loose or wobbly; Pedal difficult or impossible to depress fully; Pedal binds in assembly when pushed; Requires twisting leg to operate pedal; Pedal hits neutral switch inconsistently
Repairs/costs cited: One owner welded additional reinforcement in 8 hours; owners report needing pedal assembly removal and repair
Recalls/TSBs owners mention: Not covered under factory warranty; Ford has not issued recalls or design changes
Manual transmission refusal to shift from first gear under acceleration
Transmission locks in first gear when accelerator pedal is floored or during hard acceleration such as highway merging. Transmission hits rev limiter and engine shuts down. Issue is intermittent initially then becomes recurring.
When: Occurs during hard acceleration or flooring accelerator; reported at 2,171 miles and 10,000 miles
Symptoms owners cite: Transmission will not shift out of first gear; Rev limiter is hit; Engine stalls; Occurs when accelerator pedal is floored; Intermittent then recurring
Recalls/TSBs owners mention: Ford stated this is normal occurrence and refused to repair
Manual transmission harsh/grinding shifts and clunk
Owners report loud thuds or clunks when engaging any gear, with some describing it as severe enough to move the car. Grinding feeling reported especially in 2nd gear. Noise persists unless shifting extremely slowly. Owners express concern about synchro or drivetrain damage.
When: When shifting gears, particularly from neutral to 1st, 2nd, 3rd, and 4th gears
Symptoms owners cite: Loud thud or clunk noise when shifting; Grinding feeling during shifts; Noise felt throughout entire vehicle; Car moves when shifting from neutral to 1st; Particularly prominent in lower gears
Repairs/costs cited: No repairs documented; owners speculate synchro damage
Recalls/TSBs owners mention: Ford claims this is normal operating characteristic
Automatic transmission rough or delayed shifting
Automatic transmission exhibits rough shifting at various speeds, delayed shifts, or refusal to shift out of first gear when accelerator is floored. Torque converter replacement has been performed at 130,000 miles per TSB 20B27.
When: At 45 mph, 50 mph, and various speeds; some failures at very low mileage (2,171 miles)
Symptoms owners cite: Rough shifting; Transmission refuses to shift from first gear; Intermittent then recurring shifting problems; Vehicle stalls when flooring accelerator; Transmission unable to shift above 4th gear
Repairs/costs cited: Torque converter replaced per TSB 20B27; flex plate replaced
Recalls/TSBs owners mention: Ford stated shifting behavior is normal; some cases referred to NHTSA
Torque converter and flex plate failure
Flex plate and torque converter failures reported after years of rough idle and noise complaints. Dealers over-serviced oil without addressing root cause.
When: After several years and multiple dealer visits; one case at 130,000 miles
Symptoms owners cite: Engine noise requiring multiple visits to resolve; Vehicle vibration; Rough idle
Repairs/costs cited: Flex plate and torque converter replaced; approximately 3 years from initial complaint to diagnosis
Intermediate shaft failure causing transmission loss
Intermediate shaft failure resulted in transmission operating only in gears 1, 2, 3, and reverse. Vehicle immobilized in motion.
When: Mileage and timing not specified
Symptoms owners cite: Transmission failure; Vehicle operates only in 1st, 2nd, 3rd, and reverse; Loss of higher gears while vehicle in motion
Center support bearing and driveshaft assembly failure
Vehicle developed violent vibration starting intermittently then becoming recurring at 50 mph or faster. Independent mechanic diagnosed failures in center support bearing and driveshaft assembly.
When: At 99,000 miles
Symptoms owners cite: Violent vibration at 50 mph or faster; Intermittent at first, then recurring; No warning lights illuminated
Repairs/costs cited: Vehicle not repaired; owner related to NHTSA Campaign 17V408000
Recalls/TSBs owners mention: Manufacturer referred owner to NHTSA Hotline
Differential bearing failure
Metal shreds found in differential housing after bearing failure, resulting in complete differential failure. Owner reported approximately 62,000 low-mileage miles.
When: At 62,000 miles on a vehicle not driven excessively
Symptoms owners cite: Noise from differential area; Metal debris in differential housing
Repairs/costs cited: Differential repair estimated at approximately $3,000; waiting for parts
Recalls/TSBs owners mention: Ford acknowledged no open recalls; referred to NHTSA
Engine noise (tick/tap/typewriter) at idle on V-6
Knocking or tick/tap/typewriter noise at idle on 3.7L V-6 engines, present at operating temperature. Dealer provided TSB SSM47787 which does not address 2015 Mustang V-6. Noise persists after oil changes; dealer has over-filled oil by 0.5 quart or more.
When: At idle to 1700 rpm in park or drive; mileage 28,000+
Symptoms owners cite: Tick, tap, or typewriter noise at idle; Noise present at operating temperature; Knocking noise all the time when at operating temp; Noise from idle to 1700 rpm
Repairs/costs cited: TSB SSM47787 provided but does not address root cause for 2015 model
Recalls/TSBs owners mention: Dealer provided TSB SSM47787 which does not address the 2015 Mustang V-6
VCT solenoid malfunction causing rough idle and stalling
All four variable camshaft timing solenoids malfunctioned, causing rough idle during stops and stop-and-go traffic with no warning codes displayed. Issue began in 2020 and required five dealer visits over three years before diagnosis in 2023.
When: Issue began 06/2020; diagnosed 05/2023
Symptoms owners cite: Rough idle at stops and in stop-and-go traffic; Vehicle might shut off during idle; No warning codes displayed; Intermittent problem
Repairs/costs cited: All four VCT solenoids were replaced; diagnosis required multiple visits and extended dealer holds
Transmission shift linkage bracket fracture
Bracket on gear shifter fractured during shifting. Part (GR3Z-7210FE) was reported on backorder at time of complaint.
When: At 40,000 miles
Symptoms owners cite: Bracket fractured during shifting
Repairs/costs cited: Part on backorder; vehicle not repaired
Hard automatic shifter and transmission clunk
Automatic transmission shifter became extremely difficult to move into gear, requiring two hands. Vehicle shakes and produces loud clunk noise when selecting gears, especially prominent when shifting from park to reverse.
When: At normal vehicle startup and operation
Symptoms owners cite: Shifter extremely hard to move into gear; Loud clunk noise when selecting gears; Vehicle shakes when shifting; Clunk most prominent when shifting park to reverse
Engine shutdown while slowing to stop with clutch engaged
Engine shuts off while vehicle is slowing to a stop with clutch pedal depressed, potentially causing loss of power steering and brakes.
When: While slowing to a stop
Symptoms owners cite: Engine shuts off while clutch is depressed; Occurs while vehicle is slowing to stop; Potential safety hazard for accident
Transmission refusal to start without clutch depression message
Vehicle failed to start with illuminated 'Depress the clutch to start the vehicle' message and check engine light, despite clutch being depressed.
When: At 101,000 miles
Symptoms owners cite: Vehicle fails to start; Check engine light illuminates; Depress clutch message appears
Repairs/costs cited: Vehicle not repaired
Coolant contamination into engine oil
Coolant leaked into engine oil causing engine damage; owner reports engine may require rebuild or replacement on an ecoboost premium with performance package.
When: Mileage not specified
Symptoms owners cite: Coolant in engine oil; Engine damage
Repairs/costs cited: Engine rebuild or replacement may be required
Synthesized from 36 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
Http://www.mustang6g.com/forums/showthread.php?t=14267 vehicle exhibited the sound shown in the video. It took an independent shop to diagnose and find the problem to be shown in the transmission bellhousing of the mt82. Dealer finally heard the issue and service manager acknowledged it sounded from the trans, but now dealer is saying the problem isn't occurring. They have failed to…
After 5 visits to a Ford dealer, rough idling issue finally discovered and fixed on 5/4/2023. All 4 VCT solenoids were found to have malfunctioned. Issue began 06/2020 and involved car rough idling at stops or stop and go traffic. No codes were shown on dash. During episodes, car might shut off. It would turn on if car restarted again. Vehicle first seen at Ford dealer on 7/3/2020. No issue…
Had powertrain trouble with your 2015 Ford Mustang?
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 2015 Ford Mustang?
It's a documented issue but not catastrophic. 36 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 21 complaints that reported odometer mileage, most powertrain failures cluster between 2,171 and 55,000 miles, with the median around 22,380. A quarter of owners report trouble before 2,171; a quarter make it past 55,000. 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/2015/Ford/Mustang.
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.