Hyundai Santa Fe won't shift problems

Filed Nov 5, 2026 · Electrical · KS

I have had my Santa Fe SEL 2022 in the Hyundai service shop 3 times for the reoccurring "Shifter System Malfunction" warning. I have investigated this issue on the internet and found the federal safety agency reports this affects models equipped with the push-button "shift-by-wire" systems. Hyundai has acknowledged this issue with the TSB 23-AT-006H-2. However my vehicle continues to have this intermittent issue and the problem is never fixed. This electrical/mechanical issue poses a severe hazard to my safety as well as makes the car crippling and inoperable. My Santa Fe is unreliable to drive. I never know when I will get stuck somewhere and be stranded. No car owner should experience anxiety every time they drive because they fear the "Shifter Malfunction" warning will appear and make the car inoperable to drive. Then as of late in Oct 2026, I had another malfunction with my car that it went into limp mode and can't accelerate much higher than 25 mph and had to get my car towed to Hyundai Svc center. Could this be related to my reoccurring issue? The 1st time of the SSM warning was on 5/20/25. I could not get my car out of park. Shop found code in car related to SSM warning but it was operating normal for them. 2nd time of SSM warning on 6/30/26. I was stranded and called a friend for help. We had to disconnect battery for 15 min then turn car back on. Was able to take car out of park and drove to Hyundai service. It still had the engine warning light on did but techs said it did not show any codes. Shop had opening not until 7/14/26. Had my car for 7 days. I had to tell them of the TSB on the issue. They said they found issue with my wiring harness and replaced part. I thought my issue with the SSM was solved. IT WAS NOT SOLVED. For the 3rd time on 8/15/26, I once again got on my dashboard the "Shifter System Malfunction Service Immediately" warning. This was only a month and half from when the shop supposedly fixed the problem. They could not duplicate problem so no fix.

Filed Nov 2, 2026 · Engine · NV

On October 14, the vehicle experienced a sudden and catastrophic loss of motive power ("limp mode") while driving at highway speeds, creating an immediate and severe risk of a high-speed rear-end collision. Notably, no Check Engine Light or dashboard warning illuminated prior to or during this sudden deceleration to warn of the failure. On October 16, the vehicle was transferred to an authorized manufacturer dealership (ABC Hyundai in Las Vegas, Dealer Code NV031), where it is currently located and available for inspection. The vehicle has now been in the dealership's custody for 17 consecutive days. Despite telematics data proving the vehicle is being actively started and driven around the dealership lot across multiple shifts, the service department has refused to formally document the diagnostic trouble codes (DTCs) or submit the mandatory engine failure diagnostic paperwork to the manufacturer. The manufacturer's corporate customer care department confirmed on day 17 that the dealership has submitted zero diagnostic data to them regarding this failure. Furthermore, the vehicle had three open safety recalls when surrendered. Records indicate the dealership has performed two of these recall repairs during this 17-day hold without providing any notification, status updates, or documentation to me. Yet, they have deliberately left the most critical mandate—an "URGENT: FIRE RISK WHEN PARKED" safety recall (the federal safety agency Recall 22V056000)—unrepaired. The dealership is actively holding, starting, and driving the vehicle without mitigating this urgent fire risk, while simultaneously refusing to process the engine failure diagnostics or provide a safe alternative vehicle. The dealer's deliberate refusal to process the catastrophic engine failure while selectively performing other recall work in secret presents an ongoing safety hazard and a gross lack of transparency.

Filed Sep 29, 2026 · Electrical, Engine · SC

Was driving down road car went into limp mode about caused a big wreck, check engine was flashing and heard a loud noise as I was trying to get to safety. Had the car scanned and was for code p1326 and looking at all the recalls nothing is for the 2.4l but y'all have been having a lot of issues with these theta 2 engines.

Filed Sep 17, 2026 · Engine · 137,000 miles · TN

The contact owns a 2020 Hyundai Santa Fe. The contact stated that while driving approximately 55 MPH, the vehicle went into LIMP Mode and failed to properly accelerate, with the check engine warning light illuminated and flashing. The vehicle was later towed to the local mechanic, who was unable to determine the cause of the failure; however, engine oil was added to the engine. After retrieving the vehicle, the contact discovered that the engine oil level was low shortly after the engine oil was added. The contact stated that the vehicle was consuming an excessive amount of engine oil and the vehicle was taken back to the local mechanic. The mechanic confirmed that the engine oil level was low, and metal shavings were found in the engine oil. The vehicle was taken to the local dealer, and the contact was informed that an oil consumption test was needed. The cause of the failure was not yet determined. The failure mileage was 137,000.

Filed Sep 17, 2026 · Transmission · MS

I am filing an urgent complaint against Hyundai motor America for a direct violation of the national traffic and motor vehicle safety act. The manufacturer is actively refusing to honor and execute the mandated remedy for federal safety recall 263 (the federal safety agency campaign 24V‑529). My 2024 Hyundai Santa Fe XRT suffered an immediate transmission failure, throwing DTC P086800, which is the precise fail-safe error logic covered under this safety recall. When escalated to Hyundai Motor America Corporate Consumer Affairs (Case #XXX), a corporate case manager issued a formal written denial. The manufacturer explicitly stated that the safety recall remedy would not be covered because the vehicle is "past its 10-year/100,000-mile warranty period". This denial is legally fraudulent. Under federal law, safety recalls do not carry mileage, time, or warranty status restrictions. Furthermore, my vehicle is a 2024 model year, making the manufacturer's claim of it being "over 10 years old" a clerical impossibility. Because my vehicle is a primary tool for my livelihood as a rideshare driver, this unlawful denial has caused extreme, compounding injuries. The vehicle entered limp mode and was rendered entirely undrivable. Hyundai's refusal to provide a loaner vehicle or repair the safety hazard has completely cut off my ability to earn an income. As a direct result of this prolonged corporate delay, I have suffered sudden job loss and immediate housing displacement, rendering myself and my family homeless and stranded in the state of [XXX]. I have suffered greatly having to sleep on the streets due to this non-compliance. I request that the federal safety agency immediately investigate Hyundai Motor America Case Management for systemic compliance violations regarding Recall 263, and compel the manufacturer to replace the failed transmission assembly immediately at zero cost INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Sep 8, 2026 · Engine · OK

My car has the 2.0 T GDI theta 2 motor and it went into limp mode and after scanning the codes it’s the p1326 code. The vin doesn’t show to be apart of the class action lawsuit but it’s the same motor

Filed Sep 2, 2026 · Engine, Fuel system · VA

Update Re: ODI Complaint Number: 11759237 Subsequent Actions and Manufacturer Refusal to Remediate Safety Defect: ​Following the [XXX], acute safety incident—where the vehicle lost motive power and entered severe limp mode on [XXX] immediately upon release from Sheehy Hyundai of Chantilly—the vehicle remained in dealer custody for 11 days (August 20–August 31, 2026). ​Failure to Diagnose Core Defect: Despite recurring total power loss, active diagnostic trouble code P00AF00 (Turbocharger Boost Control Module Performance), and four consecutive turbocharger destructions within 20,000 miles, the authorized dealership refused to conduct internal engine diagnostics, drop the oil pan, inspect the oil filter, or perform borescope checks. ​Physical Contamination Documented: On August 29, 2026, an on-site physical inspection confirmed sparkling metallic particulate suspended in the engine oil on the dipstick and substantial oil blow-by/intrusion into the turbocharger air intake line. ​Formal Denial of Safety/Warranty Coverage: On August 31, 2026, dealership management and Hyundai Motor America (Consumer Affairs Case #[XXX]) formally denied warranty assistance and refused engine teardown under the Theta II Lifetime Engine Warranty Settlement. Coverage was declined citing "outside influence" due to an aftermarket turbocharger assembly, while Hyundai refused to investigate the underlying engine failure contaminating and destroying the forced-induction system. ​Evidence Preservation: On August 31, 2026, the vehicle was towed to an independent facility to mitigate road hazards, conduct teardown diagnostics, and preserve the engine oil/filter for ISO-accredited spectrographic laboratory analysis. ​The manufacturer released an unsafe vehicle into traffic on August 20, 2026, and subsequently refused to investigate or remedy a documented internal engine failure that creates sudden, recurring loss of motive power. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Sep 2, 2026 · Driver assistance, Engine · FL

Hyundai Motor America & Wallace Hyundai of StuartVEHICLE: 2020 Hyundai Santa Fe (2.4L Theta II GDI Engine)VIN: 5NMS23AD5LH181669INCIDENT MILEAGE: 181,000 MiHYUNDAI CASE NUMBER: 42981944SECTION 1: CATASTROPHIC INTERSTATE SAFETY INCIDENTOn July 16, 2026, while navigating heavy, high-speed traffic on Interstate 95 (I-95) at approximately 80 to 85 MPH, my vehicle suffered an un-commanded, catastrophic mechanical engine seizure. The vehicle instantly dropped from highway speeds down to a 21 MPH "limp mode," creating an immediate multi-car pile-up hazard on a major interstate. Physical inspection immediately after the failure proved that the engine oil level was completely full. The internal components catastrophically failed due to a documented, systemic factory defect involving premature rod bearing failure and oil starvation mechanisms, entirely unrelated to consumer maintenance.SECTION 2: PRIOR SAFETY COMPLAINTS & DOCUMENTED TIMELINEHyundai Motor America has intentionally forced me to operate a known, life-threatening safety hazard for 17 months, during which I drove an additional 31,000 miles under extreme duress. I filed formal oil consumption complaints with Hyundai Corporate every three to four months. I was forced to manually replenish the engine oil every 1,000 miles due to excessive oil loss.Specific safety reports detailing hazardous engine behavior were formally logged with Hyundai on November 25, 2025, and again in April 2026. Rather than remediating the vehicle, Hyundai corporate claims adjusters and dealership supervisors ignored these warning tracks, effectively throwing a consumer out into active traffic in an unsafe, defective vehicle.SECTION 3: AUTOMATIC SHUTDOWN TRAUMA & ACCIDENT RISKThe manufacturing defects caused an intermittent, un-commanded automatic The manufacturing defects caused an intermittent, un-commanded automatic engine shutdown condition. On 5 to 10 separate occasions while stationary at active traffic lights, the vehicle stalled10times

Filed Aug 28, 2026 · Transmission · CO

Known as an issue with Hyundai, but unresponsive to correct because no diagnostic code is sent. Transmission will shift extremely hard from 1st to 2nd gear randomly. In keeping track of the mileage, this appears to happen every 200 miles or so. Also, it faild to upshift correctly, making the entire car shudder. Also, at times it will not go into reverse gear. On one occasion, after finally doing so, it slammed so hard into reverse I almost collided with the car behind me.

Filed Aug 24, 2026 · Engine, Fuel system · VA

The vehicle suffers from recurring, sudden loss of motive power and transitions into engine "limp mode" while driving in active, heavy traffic. This severe drivability defect has occurred on four separate occasions under Diagnostic Trouble Code (DTC) P00AF00 (Turbocharger/Supercharger Boost Control "A" Module Performance) and related boost/MAP faults (P0234). During these episodes, the vehicle abruptly loses acceleration capability without warning, creating an acute collision risk when navigating highway traffic and intersections. The turbocharger assembly has required replacement three separate times due to recurring oil contamination from the engine crankcase. Despite meticulous maintenance (documented synthetic oil changes every 3,000–5,000 miles since new), the manufacturer and dealership have repeatedly blamed peripheral turbo components rather than diagnosing or repairing the root cause (I suspect excessive engine crankcase pressure/piston ring blow-by based on the significant oil deposition on the turbo, map sensor, and pooling in the intake line).