This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗2015 Chevrolet Spark powertrain problems
moderate 26 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
26
Recalls
0
Avg fix
$2,500
When does it fail?
Of the 26 powertrain complaints filed for the 2015 Chevrolet Spark, 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
Powertrain accounts for 31% of every owner complaint on file for this vehicle — the dominant problem area across 8 categories tracked.
Owners have filed 26 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.
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.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
full bulletin at NHTSA ↗This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
full bulletin at NHTSA ↗This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
full bulletin at NHTSA ↗This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2015 Chevy Spark's powertrain is plagued by recurring transmission failures that leave owners stranded in traffic and at serious risk of accident. The CVT transmission loses all forward power suddenly—engine revving but no drive engagement—occurring as early as 8,000 miles or as late as 133,000. Owners report the vehicle simply will not move or can accelerate only after multiple attempts with the pedal to the floor, a condition dealerships sometimes call 'normal' but that makes highway merging and intersection crossing unsafe.
Transmission failures are frequent enough that some owners have had the transmission replaced twice or more. GM offers a 10-year/120,000-mile recall (Special Coverage N192271110) for CVT pulley damage, but claims are regularly denied for reconstructed-title vehicles, and dealers sometimes tell owners the VIN is not covered—even when it is. When transmission replacement is recommended outside the recall window, costs run $3,500 to $6,600 and are not covered by standard warranty.
Beyond complete failure, jerking during shifts and harsh hesitation on acceleration plague many units, sometimes recurring weeks after a dealer 'fix.' One owner reported the transmission was replaced due to recall, then failed again within months. On CVT-equipped models, owners also report a rare but dangerous brake system defect where mechanical brakes disengage after the ABS activates, requiring repeated pumping to regain stopping power. Chemical odors from vents, engine misfires, and electrical failures have also been documented, with dealerships unable or unwilling to identify root causes or provide warranty-covered repairs.
Same Chevrolet Spark powertrain reports on nearby years: 2013 · 2014
Failure modes owners describe
CVT Pulley and Internal Damage / Complete Loss of Propulsion
The transmission loses all forward power suddenly while driving, with the vehicle unable to accelerate from a stop or maintain speed. Owners report the engine revs but the transmission does not engage, leaving the car stranded in traffic. Some describe slipping or jerking during gear shifts; others report the vehicle simply will not move despite the engine running normally. This failure has occurred at highway speeds, creating immediate collision hazards.
When: 30,000 to 133,000 miles; failures reported as early as 8 months after purchase and at various intervals throughout ownership
Symptoms owners cite: Complete loss of motive power / inability to accelerate; Engine revs but transmission does not engage; Vehicle stuck in gear or will not shift; Check engine light and reduced-power message; Transmission slippage under load; Jerking or lurching during acceleration or gear shifts; Multiple failed acceleration attempts before vehicle moves; Loss of power at highway speeds (55–75 MPH)
Codes mentioned: P0871, P2714, P0871-00
Repairs/costs cited: Full transmission replacement required; quotes range $3,500–$6,637. One owner reports the transmission was already replaced under GM recall, then failed again. Another reports five transmission failures total with 6 months cumulative shop time. One dealership performed a transmission flush and refill 8 months before failure occurred.
Recalls/TSBs owners mention: GM Special Coverage Bulletin N192271110 (pulley damage in 2014–2015 Spark CVT) covers this failure for 10 years or 120,000 miles from date of service. However, owners report GM is denying claims due to reconstructed title, even though GM's own website lists coverage as active. One owner was offered only a 10% discount on a new transmission. Dealers at times claim the VIN is not under recall when it actually is, delaying covered repairs.
Harsh Shifting and Transmission Jerking
The transmission jerks, hesitates, or lurches when shifting gears, particularly when accelerating from a stop or transitioning to second gear. Owners report multiple attempts to accelerate before the car responds, and in some cases a high-pitched squeaking noise accompanies the hesitation. The issue is intermittent and sometimes difficult for dealers to reproduce during diagnostic testing.
When: 30,000 miles and beyond; intermittent occurrences over extended ownership
Symptoms owners cite: Jerking without warning while shifting gears; Hesitation upon depression of accelerator pedal; High-pitched squeaking noise during hesitation; Car jolts forward after multiple acceleration attempts; Jerking back and forth when brakes are applied; Repeated jerking around 20–25 MPH (when vehicle normally shifts to second gear); Intermittent nature makes diagnosis difficult
Repairs/costs cited: Dealers initially unable to duplicate the failure or retrieve fault codes. When transmission replacement was recommended, manufacturer offered only a 10% discount. One owner had the transmission 'fixed' multiple times, with the problem recurring within weeks or months. Transmission flush and refill performed by one dealership did not resolve the issue.
Recalls/TSBs owners mention: GM acknowledges rough shifting as an open recall condition but has not issued a comprehensive fix. Owners report that warranty does not cover carbon cleaning or internal engine work recommended as band-aid solutions.
Reduced Power / Limp Mode During Acceleration
The vehicle cannot accelerate to safe speeds, particularly from a complete stop or during highway merging. Owners report the car will not go past 5–10 MPH, requires the accelerator pushed to the floor and the vehicle to 'shimmy' before it will move, or exhibits severely delayed response when attempting to merge or pass. The issue is worse when the air conditioner or heater is running, and one dealership advised owners not to use climate control to avoid the heavy-load symptom.
When: Early ownership (6 months post-purchase reported); recurring issue over years
Symptoms owners cite: Cannot accelerate to safe speeds from a complete stop; Delayed acceleration response; foot on floor required; Vehicle limited to 5–10 MPH or loses power mid-drive; Worsened by air conditioning or heating operation; Check engine light, traction control light, and stability light illuminated; Vehicle feels underpowered under load; Intermittent nature with recurring episodes
Codes mentioned: Random misfire codes (dealership reported)
Repairs/costs cited: Dealership recommended $350 carbon cleaning with no guarantee, followed by potential $1,000 hand-cleaned engine work, neither covered by warranty. Another owner had the car in shop 70 days across 5 dealerships in 3 states; GM stated the poor acceleration is 'normal' and advised against using climate control.
Recalls/TSBs owners mention: GM maintains that poor acceleration is normal operation and recommends disabling climate control to avoid perceived heavy-load conditions. No recall or extended coverage acknowledged for this symptom.
Brake System Failure (CVT-Equipped Models) / Software-Related Brake Disengagement
The brake system fails to engage properly when the driver presses the brake pedal, particularly after the traction control activates or when certain hardware (e.g., ABS module) is functioning abnormally. The mechanical brakes disengage after brief engagement (~0.3 seconds), leaving only a regen-like feel while the vehicle continues forward. Owners describe this as a software programming defect where the system shuts down normal braking function if a hardware component is not responding as expected, similar to the Boeing 737 MAX auto-stall issue.
When: Wet weather conditions reported as trigger; occurs intermittently
Symptoms owners cite: Brake pedal depressed but mechanical brakes do not engage fully; Brakes disengage after ~0.3 seconds of initial pressure; Only regen-like braking sensation; mechanical brakes appear offline; Vehicle requires 4+ brake pumps over ~60 feet to fully stop; Inability to complete intended turn due to brake failure; Traction control activation may precede brake malfunction; ABS engages then disengages inappropriately
Repairs/costs cited: No repairs documented in narratives. Owner was able to regain brake function by pumping brakes repeatedly, avoiding collision.
Recalls/TSBs owners mention: No manufacturer response documented. Owner theorizes this is a known software defect among all Spark EVs but only manifests when a hardware component fails.
Transmission Bearing Failure
A bearing in the transmission assembly fails prematurely, requiring replacement at significant out-of-pocket cost after warranty expiration. One owner reports bearing failure at 40,000 miles, with dealership service stating 'bearings are not meant to last,' which the owner disputes based on experience with other vehicles.
When: ~40,000 miles; within first year of purchase but beyond 12,000-mile warranty period
Symptoms owners cite: Bearing failure requiring replacement
Repairs/costs cited: Bearing replacement cost $440 out of pocket after exceeding 12,000-mile warranty coverage.
Recalls/TSBs owners mention: Dealership service stated bearings are not covered and are not expected to last, declining warranty claim.
Unidentified Chemical Odor / Potential Coolant Leak
A chemical smell emits from the vehicle vents, strong enough to make occupants ill. Symptoms present similar to carbon monoxide exposure. Dealerships have confirmed the odor is some sort of chemical but cannot identify it. The smell occurs whether the vehicle is being driven or running while parked. One owner reports the complaint noted potential ethanol glycol poisoning as a cause.
When: 6 months after purchase and ongoing; persists regardless of vehicle operation state
Symptoms owners cite: Chemical odor from vents; Illness in occupants (headache, nausea-like symptoms); Symptoms mimic carbon monoxide exposure; Odor present during driving and at idle
Repairs/costs cited: No repairs documented. Fire department tested and ruled out carbon monoxide. Owner planned to have sample tested by air quality lab.
Recalls/TSBs owners mention: Dealerships acknowledge a chemical is present but do not identify or repair the source. No recall or service bulletin identified.
Engine Misfiring / Random Misfire Codes
The vehicle exhibits random misfires, triggering the check engine light and traction control/stability lights. Dealers recommend expensive carbon cleaning or hand-cleaned engine work as a fix, but cannot guarantee success and do not cover the work under warranty. Owners report reading forums where others with the same issue have not had to undergo these procedures, suggesting a deeper fault being masked by band-aid diagnostics.
When: Varies; one complaint at early ownership
Symptoms owners cite: Check engine light, traction control light, and stability light illuminate; Random misfire condition reported by dealer; Engine runs rough or with hesitation
Codes mentioned: Random misfire codes
Repairs/costs cited: Dealership recommends $350 carbon cleaning (not guaranteed) followed by potential $1,000 hand-cleaned engine work, neither covered by warranty.
Recalls/TSBs owners mention: Warranty explicitly does not cover the recommended repairs.
Manual Transmission Synchro and Cable Failures (if applicable)
One narrative reports a 2015 Spark with repeated manual transmission failures, including synchro wear in 3rd and 4th gears and cables popping off and preventing proper shifting. The transmission has failed five times with six months of cumulative downtime, with most failures occurring at highway speed, creating hazardous situations.
When: Multiple failures over ownership; mostly at highway speeds
Symptoms owners cite: Synchro failure in 3rd and 4th gears; Transmission cables popping off; Inability to shift into gear; Loss of power while driving on highway
Repairs/costs cited: Full transmission replacement required; vehicle spent 6 months in shop across multiple failures.
Recalls/TSBs owners mention: No manufacturer response documented in narrative.
Electrical Failure (Radio/OnStar System after Transmission Recall Service)
Following a transmission replacement as part of a national recall, the vehicle's radio and OnStar system failed completely (black screen, no audio, no power). The radio had been working normally and passed pre-diagnostic checks before the transmission recall service. A total software update to the radio was performed as part of the recall service, after which the system did not function. Dealership blamed the failure on summer heat in Louisiana. Owner found several documented cases of electrical failures in Chevy Sparks and Sonnics.
When: After transmission replacement procedure; following software update performed during recall service
Symptoms owners cite: Radio screen black, no audio, no power; OnStar audio not functioning; System worked normally and passed pre-diagnostic check before recall service
Repairs/costs cited: Radio and OnStar software update performed as part of transmission recall service. No repair outcome documented.
Recalls/TSBs owners mention: Dealership blamed failure on hot summer weather and declined to address it as a recall-related issue.
Synthesized from 26 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 10 most recent
My parents and I originally bought the car in 2021 with a reconstructed title. We were told the car was deemed totaled/salvaged as the result being rear-ended, and that the mechanical parts of the car were not affected, only cosmetic body work. The vehicle passed Ohio State Highway Patrol inspection and was deemed drivable and road safe. The vehicle is also inspected every year through the West…
Manual transmission repeated failures. The transmission has gone out 5 times, been in shop for grand total of 6 months. 3rd and 4th gear synchros have gone out. Cables are popping off and not allowing to shift. Majority of failures have happened at highway speed, posing a dangerous situation where a unpowered vehicle is trying to exit moving traffic.
Whenever I stop at a light and try to move off when the light turn green, I would press the accelerator and the car would not respond for about 3 to 4 mins something with the CVT transmission. This could cause accident on the road.
Vehicle: 2015 Chevrolet Spark, odometer 79,000 miles Component that failed: Continuously Variable Transmission (CVT) – pulley damage causing complete loss of propulsion.What happened: While driving, the vehicle suddenly lost all motive power with no ability to accelerate. The transmission would not engage in any gear and the car became inoperable in traffic. This is the exact failure described in…
My car has been squealing and lurching at speeds over 30mph for about a week and today the transmission lost power on the highway.
12 trips to dealership, 70 days in shop, 5 dealerships, 3 states. The car cannot accelerate to safe speeds from a complete stop. Our ramps are metered and the car just won't go, have to have the car shimmy before it will go and the foot all the way down to the floor. Gm states that this is normal. It's worse when the ac or heater was on, gm recommendation is to not drive with ac or heater on as…
Bearing initially went at apprx 40k miles.. Replacing same bearing at over $440 out of pocket (1) yr later as exceeded the 12k miles warranty. Service at dealership states "bearings are not meant to last".. I have never had to replace a bearing in any vehicle, ever. To have my bearing fail ear year is a problem.
The contact owns a 2015 Chevrolet Spark. The contact stated that while driving at various speeds, the vehicle would intermittently hesitate upon depression of the accelerator pedal with a high-pitched, squeaking noise coming from the vehicle. There was no warning light illuminated. The contact stated that the vehicle had jolted forward after multiple attempts to accelerate. The contact stated…
The traction control light, stability light and check engine light came on while driving on a city street. According to the dealership it is having random misfires. The dealership is wanting me to pay around $350 to have the carbon cleaned out but they can't guarantee that will fix it. They said my warranty doesn't cover it. Then I asked if I go that route and it doesn't fix it, what…
My 2015 Chevy Spark has had repeated transmission failures related to GM Special Coverage N192271110. The first failure happened in May 2024, I was driving on 1-25 when the transmission went out and I lost all speed and my car was in the shop for five months before I finally got it back in October 2024. Unfortunately, on October 5, 2025, the transmission failed again. I was driving on I-76 speed…
Had powertrain trouble with your 2015 Chevrolet Spark?
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 Chevrolet Spark?
It's a documented issue but not catastrophic. 26 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 13 complaints that reported odometer mileage, most powertrain failures cluster between 30,000 and 105,000 miles, with the median around 60,000. A quarter of owners report trouble before 30,000; a quarter make it past 105,000. 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/Chevrolet/Spark.
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.