Chevrolet Spark loss of power problems

Filed May 7, 2026 · Transmission · 76,000 miles · NJ

The contact owns a a 2014 Chevrolet Spark. The contact stated that while on several occasions at various speeds, the transmission warning light illuminated and the vehicle lost power. The vehicle was steered to the side of the road and turned off for approximately 30 mins and then restarted. The contact stated that after 30 minutes to an hour the failure reoccurred. The vehicle taken to an independent mechanic where it was diagnosed that the transmission failed and needed to be replaced. The vehicle was not repaired. The vehicle was then taken to the residence. The manufacturer was notified of the failure. The failure mileage was 76,000.

Filed Apr 4, 2026 · Acceleration, Engine · AZ

The vehicle experiences intermittent loss of power and unstable acceleration while driving at normal speeds (approximately 45–55 mph). The vehicle will surge, hesitate, and fail to maintain consistent speed, creating an unsafe condition in traffic. While driving, the vehicle does not consistently respond to throttle input and may unexpectedly lose acceleration. This creates a risk of being rear-ended or being unable to safely merge into traffic. The condition occurs during normal driving and has progressively worsened over time. Diagnostic testing indicates transmission-related faults involving pressure control and internal speed monitoring. This issue affects the safe operation of the vehicle and appears consistent with known transmission problems reported for this vehicle model. Supporting documentation has been provided, including manufacturer service program records indicating this vehicle was previously subject to a known transmission-related defect condition.

Filed Jan 12, 2026 · Acceleration, Electrical · CA

INCIDENT SUMMARY In February 2025, while driving on the freeway, my vehicle experienced a sudden and complete loss of power. The battery rapidly depleted without warning, causing the vehicle to decelerate dangerously in moving traffic. A Stabilitrak warning appeared on the display. I was fortunate to reach the shoulder safely, but this failure created an extremely hazardous situation that could have resulted in serious injury or death. Following this incident, the vehicle became completely inoperable and required towing to Stewart Chevrolet for diagnosis. DEALERSHIP DIAGNOSIS Stewart Chevrolet performed a diagnostic evaluation (cost: $700) and provided the following official findings: Problem Identified: Battery 1 with voltage variance beyond specifications Variance Measured: In excess of 0.07V discrepancy in battery cells GM Document Referenced: #17-NA-131 Recommended Repair: Labor operation 9102972 - Drive Motor Replacement and Shipping Preparation (high voltage battery replacement) Estimated Cost: $10,000-12,000

Filed Nov 22, 2025 · Fuel system, Transmission · VA

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 GM Special Coverage Bulletin N192271110 (pulley damage in 2014–2015 Spark CVT). Safety risk: Complete and unexpected loss of propulsion created an immediate safety hazard. The vehicle could not accelerate from a stop or maintain speed, placing my 15-year-old son and other motorists at risk of rear-end collision or stranding in active traffic lanes.Dealer confirmation: RK Chevrolet in Virginia Beach, VA has inspected the vehicle and confirmed the failure matches N192271110 – full transmission replacement required (quote $6,637.19). Vehicle remains at the dealership and is available for inspection.Warning lamps/symptoms: Check-engine light and reduced-power message appeared at time of failure. No prior warnings before the sudden loss of power event. Failure occurred approximately October 2025 – only four months after GM’s 10-year/120,000-mile Special Coverage N192271110 expired on 06/11/2025.The failed transmission is still in the vehicle and available for inspection upon request.

Filed Nov 19, 2025 · Engine · CO

This report concerns a known CVT defect and subsequent TCM failure that left the vehicle unsafe and inoperable. The vehicle suffered internal CVT failure consistent with GM Special Coverage N192271110. After the first transmission failed in May 2024 (and the second time October 5 2025), the TCM failed again shortly after the second failure—consistent with GM Preliminary Information Bulletin PIP5525A. Critical Safety Details: Both failures occurred while driving on highways with heavy traffic, where speed limits were 75 mph. On each occasion, the vehicle lost power and became unable to accelerate safely, presenting a serious safety risk to me and other drivers. GM is refusing coverage despite widely documented cases and their own bulletins describing this exact failure chain.

Filed Oct 23, 2025 · Engine · MD

Vehicle began slipping out of gear between 1st & 2nd, then started losing power at 74,760 miles. Extended service coverage has been issued for model for CVT transmission pulley system, however only covers 10 years or 100,000 miles, whichever comes first. Mine apparently timed out in February, so they are trying to make me get a new transmission which basically totals out the car I spent a fortune on to buy & in repairs at under 75,000 miles. This is unacceptable.

Filed Jan 3, 2025 · Fuel system, Transmission · AZ

Transmission failing - when stopped and trying to go from a dead stop the car will not move for a minute the rpm's rev high and the car will barely move maybe two to five miles per hour while the rpm's just rev higher. When climbing a hill the car seems to lose power and not shift like it should. If starting in morning the car may shift for a few minutes then it seems to only shift like downshifting. Other times it seems to run ok and shift ok but the next time you could be trying to merge on the freeway and the car will not go will not get up speed. This dangerous when entering a freeway and trying to get speed up to match vehicles on freeway already. It is also dangerous when making left turns without shifting correctly and car just has little movement revs the rpm's but doesn't move enough to make the turn safely I front of other vehicle waiting to start forward on the green light. It is also dangerous when climbing a hill. I was stopped at a red light when light turned green I pressed the gas and car would not move at all. I continued to let off the gas then press the gas to.get movement to get to side of the road. I haven't been able to drive my car for the last 3 months. I just bought the car less thena year ago and am still paying my payments even though I am unable to drive the car. I really do like this car but have since read of the past transmission recalls on the same year and model and make. I love called Chevrolet asking about the problem and they just tell me my car does not have a recall for the transmission according to the vin. How can my car be failing like many others of the same year that have been able to get repaired under the transmission recall and yet Chevrolet can tell me that my car does not have a recall for the same exact issues I've read about on this site. I am angry because how do the makers tell me my car isn't on that recall for this problem when there seems to be many of the same car having the issue and gets the issue fixed ?

Filed Jun 19, 2024 · Acceleration, Engine · OH

Without warning, vehicle loses power and ability to accelerate is greatly reduced. The Malfunction Indicator Lamp (aka "check engine light"), the Reduced Engine Power light, and the Traction Control System/Stabilitrak light all illuminate at the same time and are not flashing. Using a diagnostic tool from a local auto parts store, code P2138 is reported as follows: Throttle/Pedal Position Sensor Switch 'D/E' Voltage Correlation, and Accelerator Pedal Position (APP) Sensors 1-2 Not Plausible. Incident has occured multiple times since owning the vehicle (approx. 13 months). This creates a safety issue because the poor acceleration limits the vehicles ability to maintain speed, especially on highways at higher speeds and ascending hills.

Filed Jun 8, 2020 · Acceleration, Engine · 62,000 miles · IN

When accelerating (between 5-30mph), the vehicle stutters to gain power/speed-it almost feels like there's a delay in the execution when trying to accelerate. The vehicle will then lunge forward, then sulk back as if the engine has temporarily lost power. The lunge, sulk back and stutter are progressively worsening, to the point that the plunge and sulk are occurring at more varying speed changes more and more frequently (accelerating or lifting off the gas peddle to slow down).

Filed Jan 6, 2020 · Transmission · 103,000 miles · MO

As I was driving on the highway my car lost all power in the transmission, I stepped on the gas and nothing happened but the car still revved. It's as if it slipped out of gear while going 65mph and would not kick back into gear. I was afraid of getting into an accident due to the sudden loss in speed. I've read that 2013-2015 sparks are known for having bad transmissions and I believe my problem was caused by a faulty TCM.