Volkswagen Taos check engine light comes on

Filed Oct 7, 2026 · Engine, Fuel system · UT

On [XXX], while driving through [XXX] in high-speed highway traffic, the vehicle suffered a sudden, catastrophic loss of throttle response and engine power. The instrument cluster displayed a solid Check Engine light alongside an Electronic Power Control (EPC) warning light and assist system failure notifications. The complete loss of acceleration forced the driver to coast across active highway lanes onto a dangerous shoulder, creating an immediate and severe collision risk. This sudden loss-of-drive-power symptom mirrors the safety hazard detailed under the federal safety agency Recall #23V‑214 (VW Campaign 20DV). This breakdown is the third major powertrain failure on this vehicle across just 13,382 miles of ownership. Prior dealer-serviced failures include a failed camshaft seal requiring replacement (Feb 2025) and a complete Transmission Mechatronic Unit replacement (Aug 2025). 100% of all mechanical service and maintenance has been performed exclusively at an authorized Volkswagen dealership. The vehicle is available for inspection. Volkswagen of America and the dealer have been formally notified under active Case #[XXX] but have failed to remedy the vehicle or provide safe replacement transportation. This vehicle is still under factory warranty and CPO. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Sep 23, 2026 · Electrical · FL

I bought the vehicle 3 years ago and currently it is at the shop to have the engine wiring harnes repaired. A few weeks ago, my dashboard started glitching. On 9/19/2026, my vehicle would not start. The check engine, EPC, low battery voltage, and traction light came on. I had to call someone to give me a jump so that my vehicle would start. It was impossible for the vehicle to keep a charge and it kept acting up in traffic. The dealership now wants to charge me about $650 for a new battery. I believe that the faulty engine wiring harness caused the battery to die prematurely and I should not have to pay for it.

Filed Sep 23, 2026 · Electrical · FL

I bought the vehicle 3 years ago and currently it is at the shop to have the engine wiring harnes repaired. A few weeks ago, my dashboard started glitching. On 9/19/2026, my vehicle would not start. The check engine, EPC, low battery voltage, and traction light came on. I had to call someone to give me a jump so that my vehicle would start. It was impossible for the vehicle to keep a charge and it kept acting up in traffic. The dealership now wants to charge me about $650 for a new battery. I believe that the faulty engine wiring harness caused the battery to die prematurely and I should not have to pay for it.

Filed Sep 14, 2026 · Electrical, Engine · PA

I bought my 2022 VW Taos with only 16,000 miles and one previous owner. In 2023. In 2025 with only 42,000 miles the head gaskets were leaking and needed replaced. This was a COMMON issue that somehow isn’t a recall? Yet 90% of complaints on this list, including mine are for this exact reason. It was under warranty and was fixed, however in 2026 with only 68,000 miles my ECP, ABS, check engine light, and emergency transmission light all are on. My car is currently stuck in 2nd gear as a precaution to not destroy the transmission. The mechanism needed to fix this was quoted to me as being 1,500 to 2,000 JUST FOR THE PART! Not including labor and other fixes to go along with it. This isn’t cheap, reliable or safe. And the car is pretty much a waste at this point.

Filed Sep 14, 2026 · Fuel system · TX

I went to the Fiesta Albqueurque VW June 2025 multiple times resulting in close to 2 weeks without a car. Found a oil leak and head gasket - bolt jam replaced. In XXX, car shook, took it to first Fiesta ABQ, who identified a low battery charge. However, the car continued to shake end of XXX and we then, took this to Rudolph volkswagon, [XXX], that blamed it on bad fuel (invoice attached). Check engine sign turned off for a day, and came back on on our major trip up north from [XXX] to [XXX]. This Dealership told us that we would be safe on the road from [XXX] to [XXX]. Yes, we made it but by sheer luck. third Attempt, took this car to [XXX], VW and they were able to change: CHANGED THE ENGINE OIL AND OIL FILTER AND REFILLED THE ENGINE WITH 4.2 QUARTS OF 0W20 SYNTHETIC OIL WITH A SPIN ON OIL FILTER AND REPLACED THE DRAIN PLUG AND DRAIN PLUG CRUSH WASHER. RESET THE SERVICE INTERVAL DISPLAY. CHECKED AND TOPPED OFF ALL FLUIDS LEVELS. REPLACED THE BRAKE FLUID, BLED AND TOPPED OFF THE SYSTEM. MULTI-POINT INSPECTION COMPLETED NO RECOMMENDATIONS AT THIS TIME PLEASE SEE THE ATTACHED MULTIPOINT INSPECTION A VIDEO MULTIPOINT INSPECTION WAS PROVIDED. RESET THE MAINTENANCE INDICATOR AND APPLIED A MAINTENANCE REMINDER STICKER ON THE VEHICLE Hose was finally replaced. Out of pocket costs app $400. Since there were numerous efforts I will list the final work done on the car however, I have all invoices needed since June 2025. I have too many invoices to upload. Your upload cannot handle size Also note all dealerships notified. No one takes accountability. Ref: XXX 2 Lemon law first hired: 1st one wasted my time; 2nd one stated VW did not take accountability and refused to deal with me. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Sep 2, 2026 · Acceleration, Driver assistance · MS

I have been to the dealership numerous times since buying the vehicle over engine issues. Typically what happens is either the epc, check engine light, or both come on. All advanced driver systems turn off and the car enters limp mode where I can barely get it above 30 mph. The first time I was told it was an issue with spark plugs. The second time I was told a part did not get put back on correctly after changing my oil. The third time I was told spark plugs at first but when I reminded them they had changed them less than a year ago I was told it was bad gas. I had the dept of agriculture in MS check the gas at the station and it was fine. Then it happened again and I was told again bad gas. There have been numerous reports of similar on social media I have photos and pdfs of the reports but could not upload them all.

Filed Aug 22, 2026 · Engine, Fuel system · AZ

On July 30, 2026, while driving my 2022 Volkswagen Taos out of my apartment parking lot, the EPC and check engine lights illuminated. The vehicle shook, lagged, stalled, and could not accelerate normally. I parked and turned it off. An authorized Volkswagen dealer diagnosed a faulty spark plug. On August 12, the same failure recurred. The EPC and check engine lights illuminated, the vehicle shook, and it again lost acceleration. The dealer attributed the misfire to poor fuel caused by Arizona monsoon and dust-storm conditions and added a fuel additive. However, the only major dust storm around these dates occurred on August 19, after the first two incidents. No fuel-test results were provided to support this explanation. On August 20, the failure occurred a third time while I was driving on a major road. The vehicle shook and experienced a severe loss of propulsion and acceleration. The check engine light remained on after the engine was turned off. I had to restart the vehicle three times before I could move it into a parking lot. I was less than one mile from entering a highway, and the sudden loss of acceleration in traffic created a serious collision risk. The vehicle was towed to the dealer. On August 21, the dealer again attributed the misfire to poor fuel. It added fuel-system cleaner, filled the tank with 91-octane fuel, and test-drove the vehicle, but the misfire remained. The technician then reported that three spark plugs were fouled and required replacement. The same dangerous loss-of-power condition occurred three times within 22 days despite two prior repair attempts. The cause of the repeated misfires and fouled plugs remains unidentified. The vehicle is at the Volkswagen dealership and is available for inspection. There was no crash, fire, or injury.

Filed Jul 14, 2026 · Engine, Fuel system · CA

On 7/9/2026, my 2022 VW Taos was brought to the dealer for being severely underpowered, check engine lights on, and a strong raw fuel smell inside the vehicle. On 7/10/2026, the dealer stated the vehicle was ready, claiming they replaced a turbo charge pipe O-ring. The service advisor verbally stated the vehicle had been successfully test-driven for 5 miles on streets and the highway. However, official paperwork only stated "cleared faults verified no leaks in system, vehicle is now operating as designed." Immediately upon driving home on the highway, as the vehicle reached 70–75 mph under load, a loud whistling noise and a sudden, dangerous loss of propulsion occurred simultaneously. The vehicle was returned to the dealer on 7/10/2026. On 7/13/2026, the vehicle was picked up after a second repair where the dealer admitted the plastic charge pipe (05E-145-673-Q) was actually fractured and had completely blown off the turbocharger during my highway drive, generating fault code P227900 (Intake Air System Leak). Upon reviewing the paperwork from both visits, I discovered the odometer had only increased by exactly 1 mile during the first service visit. The dealer completely failed to road-test the vehicle under actual highway boost loads before certifying it as safe, which directly caused a catastrophic structural engine failure and an emergency safety hazard at 75 mph.

Filed Jul 9, 2026 · Fuel system · SC

I purchased a 2023 VW Taos SE about a year ago (May 2025) as CPO less than 7k miles. It is still under the warranty; however, I already had to bring this Taos to the VW dealership for 3x. First was A/C was not cool enough. They found a leak. In June 2026, I had to bring due to the engine light being on. They found out EVAP fuel leak detection pump being faulty. And less than 1 month later (July 2026), once again the engine light came on. This time apparently EVAP canister is the problem and needs to be replaced . My Taos is currently at the dealership.  I am reporting this, in case other Taos owners have similar experiences. Thank you.

Filed Jun 13, 2026 · Electrical, Engine · VA

The systems failing are electrical, engine, and fuel/propulsion systems. VW TAOS 2022 purchased Sept. 2023. Two weeks after purchasing the vehicle, I'm driving down the street and the vehicle began to lose power and start slowing down. It eventually cut off. About a week later, I experienced the same issue. I called the dealer and they had me to bring my car in. I was told that they couldn't find the problem, but that the car was misfiring. They "repaired" and returned it to me. As I drove on local streets and the interstate, I have problems with acceleration. The car does not pick up speed like it should and lags behind and then suddenly jerks forward (even after battery rest times during a stop). It rides a bit rough. Occasionally, my dashboard blacks out while I'm driving. My auto-start doesn't always work, even after the fob batteries have been changed. My gas seems to disappear and I find myself gassing up more often than I should be. I would contact the dealership, they'd coordinate service around my scheduled service dates and claim that they could never find or duplicate the problems that I'm having. The problems continue. My engine light came on while I was driving and stayed on. I was told to bring in my car. The dealership kept it from July-Sept 2025, replacing parts and then returned it to me. Two days later the engine light came back on and I had to return to the dealer again for service. After leaving a parking lot (Jun 2026), two blocks down the street the TAOS began to lose power, the engine light is flashing and the EPC code (engine control malfunction) light lit up. I called VW and they dispatched a tow. My TAOS was towed to Checkered Flag VW. My safety (and others) is at risk because the power loss just happens without warning. If a driver is not paying attention, they could run into the back of me or hit me on the side during a lane change due to the slow movement.