2018 Volkswagen Passat Complaints

STRUCTURE — Filed 10/03/2026

I was driving my 2018 Volkswagen Passat when suddenly I felt the car started to lose acceleration even though my foot was still on the acceleration paddle. The car started to slow down, not knowing what was going on, I started to pull to the shoulder. I came to a complete halt and was trying to figure out what might have happened. In few seconds I saw black smoke and a lady from the other side of the road was shouting run run. I immediately ran out of the car and noted fire under the front of the car. I called 911 and police came to the scene in few minutes followed by the fire truck. In next few minutes the whole car was burnt. By God's grace I was safe but my car was lost.

ELECTRICAL SYSTEM,ENGINE — Filed 05/17/2026

A major engineering and material design failure occurred involving internal fluid containment seals, resulting in a severe electrical safety hazard. Pressurized engine coolant breached an internal component seal and began migrating internally directly through the vehicle's engine wiring harness via capillary/siphoning action. The fluid used the sealed wiring loom as a literal pipeline, traveling inside the wire insulation to bypass all outer weather seals and completely flood the Engine Control Module (ECM) pin connectors. The vehicle's dealership service department documented extensive galvanic corrosion and shorting inside the primary vehicle computer pins due to this blue-green fluid pooling. Because the dealership has not yet completed the full repair, the exact originating component source of the leak (e.g., the engine coolant temperature sensor or the coolant expansion tank housing barrier) remains unconfirmed. However, the physical mechanism of the coolant migration through the sealed harness into the primary electrical architecture is fully verified. This defect presents a critical safety risk. The sudden flooding and short-circuiting of the Engine Control Module can cause an immediate and unexpected loss of engine propulsion, power steering assist, and electrical control while driving at highway speeds, creating an imminent risk of a high-speed collision.

ELECTRICAL SYSTEM — Filed 06/15/2025

The contact owns a 2018 Volkswagen Passat. The contact stated that while driving at an undisclosed speed, the infotainment screen failed to respond to touch commands, preventing the contact from viewing the GPS feature. The contact performed a hard reset on the vehicle, but the failure persisted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 70,000.

ELECTRICAL SYSTEM,ENGINE — Filed 02/05/2026

The contact owns a 2018 Volkswagen Passat. The contact stated that while driving at an undisclosed speed, the vehicle stalled. There was no warning light illuminated. The vehicle was unable to restart and was towed to the dealer to be diagnosed. The vehicle was diagnosed with battery failure. The contact was informed that the battery needed to be replaced. The vehicle was repaired; however, the failure recurred. The vehicle was then towed to a different dealer; however, the vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 136,000.

FUEL/PROPULSION SYSTEM — Filed 01/03/2026

I initially brought my vehicle in for service due to a strong gasoline odor and the vehicle failing to start. At that time, I was informed that no gasoline smell was detected and that the issue was instead a faulty starter, which I authorized for repair. Approximately two weeks later, my vehicle again would not start. I was then informed that the issue was a lower fuel injector, which required additional repairs. Just three days after that service, the vehicle once again failed to start, and I was told this time that the upper fuel injector was the cause. As a result of these events, I incurred a total of $3,946.96 in repair costs across two service visits and was forced to have my vehicle towed three separate times. Before the third visit, I was informed that I would need to pay an additional $1,500, on top of the nearly $4,000 I had already paid. I challenged the accuracy and consistency of the diagnoses at that point, and ultimately, the vehicle was repaired without charging me the additional $1,500. While I appreciate that the final repair was completed without further cost, I am deeply concerned about the pattern of repeated breakdowns, inconsistent diagnoses, and the financial burden placed on me as a customer. The original concern of a gasoline smell appears to have been valid from the outset, yet it took multiple failures, repairs, and significant expense before the underlying issue was resolved.

ELECTRICAL SYSTEM — Filed 12/17/2025

The contact owns a 2018 Volkswagen Passat. The contact stated that while driving approximately 40 MPH, the vehicle made an abnormal sound and failed to accelerate as intended. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with a wiring harness failure. The vehicle was repaired. The contact had received an unknown notice, which was related to the failure. The manufacturer was contacted for reimbursement, and a case was filed. The contact sent the requested documents to the manufacturer; however, the manufacturer failed to call back as the manufacturer had stated. The failure mileage was approximately 55,000.

FUEL/PROPULSION SYSTEM — Filed 09/28/2025

Battery drains overnight. Started with a boost all dashboard warning lights on, vehicle runs fine all day with many starts and stops, battery dies again overnight. Diagnosed with a bad fuel pump control module that continues to run and does not shut off until all battery power is drained. Mechanic changed the fuel pump control module, cleared all fault codes, and vehicle fixed. I saw a Carfax report for an identical 2018, SEL Premium Passat to mine with the exact same issue of a bad fuel control module in that vehicle Carfax report and realized it was a much bigger issue. I am aware of a similar recall for vehicles up till 2016 model year, but this issue is wider for higher model years. Besides the other identical problem listed below in the Carfax report, I am aware of many other fuel pump control module problems reported to online VW forums and online. The identical Passat vehicle information is below: 2018 VOLKSWAGEN PASSAT 2.0T SEL PREMIUM VIN: [XXX] XXX SEDAN 4 DR 2L I4 F DOHC 16V GASOLINE FRONT WHEEL DRIVE 06/27/2025 69,955 mi Piazza Volkswagen Ardmore Ardmore, PennsylvaniaArdmore, PA Ardmore, XXX [XXX] 4.6 / 5.0 88 Verified Reviews 2,091 Vehicle serviced Maintenance inspection completed Fuel pump module replaced Vehicle washed/detailed URL for this vehicle Carfax report is below: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

POWER TRAIN — Filed 05/16/2025

The catalytic converter on my 2018 Volkswagen Passat failed and the vehicle has been at an authorized Volkswagen dealership since May 16, 2025. The dealership confirmed that the catalytic converter is defective and must be replaced, but the part has been on national backorder with no estimated delivery date for several months. The vehicle cannot be safely driven in its current condition and has been unavailable for all normal use. The issue has been confirmed by the dealership and the vehicle is available for inspection. There were warning lights related to emissions prior to the failure. Volkswagen has not been able to provide a timeline for repair, which has created an ongoing safety and reliability concern.

SERVICE BRAKES,FORWARD COLLISION AVOIDANCE — Filed 08/04/2025

ABS sensor warning lights are coming on showing there is an issue.

AIR BAGS,UNKNOWN OR OTHER — Filed 07/17/2025

We have been having numerous sensor issues. Sensors showing air bag malfunction and with passenger side seat belt on the front right side. We bought the car in used condition from pat lobb toyota of mckinney less than a year ago. Constantly having sensor issues with it.

FUEL/PROPULSION SYSTEM — Filed 11/20/2024

Car Fuel Pump Leaking. Fuel pump Module failure. There was a recall for this issue on other Volkswagens, but not on the Passat. There are hundreds of cars online with the same issue.

FUEL/PROPULSION SYSTEM — Filed 05/23/2024

Fuel pump Leak. Strong order of gasoline has been coming from the car. I had a check and the fuel pump is leaking. Other vehicles have been recalled due to this, but the Passat has not been included. This problem has been reported out in several cars including a fire….

ENGINE,FUEL/PROPULSION SYSTEM — Filed 04/08/2024

EPC light came on & check engine light Car shakes

ENGINE — Filed 03/02/2024

My oil sensor started blinking while I am driving. I stoped and added oil to the car because the level was in low level. Went to the dealership to check my car in if I do have leakage or if my engine did start to burn oil. They did suggest to come visit them after 600 miles which I did. And after check up they did end up saying yes your car did burn oil around 0.25 quart. And I suggest you to come after 600 miles again. I need that issue to be fixed and they are wasting my time in this unnecessary procedure. It was confirmed that my engine burn oil and I have got extended warranty plus my car was always been serviced by the vw dealership.

ENGINE — Filed 02/02/2024

I received a check engine light and my mechanic diagnosed the problem and attributed it to an the air pump control valve which was connected to primary engine water pump. A slight leak in the air system was noticed since the check valve failed. The primary engine water pump began to lose pressure over time causing increased tail pipe emissions. I tried to report this issue to VW but fell on deaf years. Since the primary engine water pump was part of a recall i was explaining that the air pump control valve also had to be replaced because the open/close relay stopped working. I spent 820 $ parts + labor to get this fixed and VW does not even want to accept it as a problem. I have been constantly encountering these problems with my VW car. This is a safety issue and hence wanted to report this to NHTSA.

AIR BAGS — Filed 01/05/2024

Collision around 45 to 50 mph. Airbags frontal and side airbags didnt deployed Two vehicles invaded my lane and I ran into the second vehicle .

VEHICLE SPEED CONTROL,ENGINE,FUEL/PROPULSION SYSTEM — Filed 09/10/2023

First/only owner of a 2018 VW Passat GP r-line, scheduled maintenance intervals followed religiously and performed by VW; only filled with top tier fuel (mid/premium), no prev. indicator lights ever illuminated until ECM light (no accompanying warning lights) came on while driving at highway speed with Adaptive Cruise Control engaged. Immediate loss of power and shaking vibration upon any attempt to accelerate/change lanes to safely get off of roadway. Once off roadway, all systems shut down and engine turned off for several minutes. Restarted car w/o difficulty, remained parked for 5 more minutes to monitor ECM light which did not return after shut down/restart. Returned to highway while safely merging into lane with conservative acceleration. ECM warning light did not return and vibration/shutterring had ceased. No unusual or abnormal gas mileage readings found upon close monitoring. Vehicle was driven x3 (relatively short distances) with speeds no greater than 65 mph; no return of ECM or any other warning lights. On the 4th drive, while attempting to evade an idiot, accelerator was applied more aggressively so as to avoid a near-catastrophic collision (nowhere to slow down or go to shoulder safely within 0.75/sec) which triggered the ECM light accompanied with loss of power/shuttering/vibration when pressure applied to accelerator. Pulled over, shut down, waited, panicked a little, then restarted engine. ECM light did not reappear after shut down/restart. Vehicle operated flawlessly once more. Injector/fuel system cleaner added to fuel tank and driven 40 mins in Sport mode to burn corrosive buildup effectively. Fuel tank refilled at new fueling station (thinking bad gas was a differential) and no issues since. Codes not showing up when diagnostics are ran. VW won’t fix something that isn’t presenting itself as a problem, at that very moment. 93k miles w/ NO prev. engine/emissions/transmission probs.

ENGINE — Filed 06/30/2023

Intake Manifold Runner is failing. This could suddenly put the vehicle in limp mode on the open highways, resulting in a hazardous situation due to sudden slowing. MIL light is illuminating and diagnostics from Meineke Car Care Center confirms failure of the Intake Manifold Runner. Similar issues have been noted with past VW models, with Intake Manifold warranty extension to 10 years, 120,000 miles for 2006-2008, 2008-2012, and 2013-2017 model years. It seems the problem continues through 2018 as I reached 90,000 miles with a failure. Volkswagen service specialists was quoted as "that sounds about right" so the problem clearly lingers for the 2018 model years and beyond.

ELECTRICAL SYSTEM — Filed 07/09/2021

The contact owns a 2018 Volkswagen Passat. The contact stated while driving 35 MPH, several unknown warning lights illuminated. The contact stated that the vehicle had experienced unstated electrical failures while driving at various speeds. Additionally, the rear-view camera would activate while the vehicle was in drive(D). The contact stated that the passenger occupant air bag sensor was flashing on and off without a passenger being seated in passenger’s side seat. The contact had taken the vehicle to a local dealer, where it was determined that the failure could not be duplicated. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 35,000.

SUSPENSION,SERVICE BRAKES — Filed 08/14/2022

The contact owns a 2018 Volkswagen Passat. The contact stated while driving approximately 30 MPH or at various speeds, there was a delay while depressing the brake pedal. The contact stated that the vehicle was also pulling to the left and the right while depressing the brake pedal. Additionally, the contact stated that the suspension was loose while driving over bumps in the roadway causing the vehicle to bounce. The contact stated no warning lights were illuminated. The contact had the vehicle towed to a local dealer, where it was diagnosed and determined that the front wheel bearings needed to be replaced. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 25,000.

AIR BAGS — Filed 04/04/2022

Clockspring. Failed 1st time under recall and was replaced by dealer. Failed 2nd time and replaced outside of recall by indepenent. Failed 3rd time and has not been replaced. This has affected the adaptive cruise control, the electronic stability control, and now it engages the brake system when not called for.

SERVICE BRAKES — Filed 11/17/2021

I was driving down the road and the wheel locked up and I lost control of the car. I thought it was just a flat tire. I noticed the tire was flat and brake caliber was lying on the inside of the rim. There was extensive damage to the vehicle, tire, rim, suspension components and brake components. There was no warning and it just happened suddenly. My family and other drivers safety were at risk. The dealership said it was due to impact but their estimate didn't mention or included any of the brake components. The brake caliber bracket is broken and the holes were the caliber bolts attached are elongated. The brake caliber and bracket are protected inside the rim and brakes just don't fall off. It is a VW certified car. I put 4,000 miles since I purchased and the accident happened on November 17, 2021. I have all the components and pictures.

ELECTRICAL SYSTEM — Filed 08/11/2021

The vehicle can be turned off while in drive, and gives no extra signals (beeps, flashing lights, etc.) with the exception of a brief message on the dash and single ding (same ding for door open, and other low importance messages). The vehicle will then roll until the brake is applied or it comes to a rest on a flat surface or against a pole or hard object. This is a significant safety hazard that has occurred to me 3-4 times, the most recent was today when the vehicle rolled backwards down my mothers driveway. Crossed the street, entered the neighbors driveway/yard, contacted the mail box and came to rest in the front yard. The vehicle rolled approx. 200ft. The vehicle is equipped with auto braking and parking collision warning, that are capable of sensing a collision while driving and notifying the driver of objects while parking. The same system should be able to prevent a car turned off while in drive from rolling uncontrolled and striking a person or object. In addition the car should have generate a significant audio and visual warnings to the driver, furthermore the car should not be able to be turned off while in drive. It’s a fundamental flaw that it can be turned off, drivers door opened, driver and keys step out of the vehicle with no response from the vehicle.

UNKNOWN OR OTHER,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE — Filed 01/23/2021

I AM AT THE BURGER KING DRIVE THRU JAN 23, 2021, THERE ARE A FEW CARS AHEAD OF ME. I SIT AT DRIVER THRU WITH FOOT ON THE BRAKE ABOUT 3 TO 5 MINUTES, WHEN THE CAR IN FRONT OF ME MOVES CLOSER TO PICK UP HIS FOOD, I LET OFF OF THE BRAKE AND DRIFT FORWARD AS I GET CLOSER TO CAR IN FRONT OF ME , I PRESS THE BRAKE AND THE PEDAL GOES ALL THE WAY TO THE FLOOR. I PRESS HARDER AND MY CAR BANGS DIRECTLY INTO THE BACK OF A 2015 CAMARA THAT HAS BEEN GARAGED KEPT AND HAS ONLY 3,000 MILES ON IT. I GIVE THE DRIVER MY PHONE NUMBER. VERY MINOR DAMAGE TO HIS CAR AND ONLY DAMAGE MY LICENSE PLATE AREA. I PULLED MY CAR INTO THE PARKING LOT , TURNED OFF IGNITION, I THEN STARTED PUMPING MY BRAKES AND EVENTUALLY THE BRAKES FELT MUCH STIFFER AFTER ABOUT 15 PUMPS OF THE BRAKE PEDAL . ONE WEEK PRIOR TO THIS , I TOOK MY CAR TO THE VW DEALERSHIP FOR OIL CHANGE AND SPECIFICALLY ASKED FOR THEM TO CHECK MY BRAKES AND TIRES. I WAS TOLD WHEN I PICKED UP MY CAR THAT TIRES SHOULD BE REPLACE IN ABOUT 5,000 MORE MILES,BUT MY BRAKES WERE FINE. MY CAR JUST PASSED 40,000 MILES ON THE ODOMETER 2 DAYS AFTER THE OIL CHANGE. YESTERDAY JAN 25 ,2021 , I TOOK THE CAR TO VW DEALERSHIP EXPLAINING WHAT HAD HAPPENED, TODAY IS JAN 26 THEY KEPT THE CAR OVER NIGHT WAITING TO HEAR BACK FROM SPECIALIST FROM VW. MEANWHILE I SEARCHED INTERNET FOR INFO. THAT IS WHEN I REACHED THIS SITE. ALSO MY FORWARD COLLISION SHOULD HAVE COME BEFORE I MADE CONTACT WITH THE CAR I HIT AT BURGER KING. I SERIOUSLY DON'T WANT ANYTHING TO DO WITH THIS VEHICLE ANYMORE. I DON'T TRUST IT. I ALSO INJURED MY LEG PRESSING SO HARD ON THE BRAKE PEDAL.

VEHICLE SPEED CONTROL,ENGINE — Filed 01/24/2019

MY FATHER WAS HEADING HOME WHEN HE STOPPED THE HILL DOWN FROM HIS HOUSE. UPON TRYING TO ACCELERATE HE NOTICED THE VEHICLE DID NOT WANT TO GO. THE ENGINE HAD STALLED/HESITATED. HE PRESSED THE GAS A FEW TIMES AND NOTHING HAPPENED, THE RPM HA D WAS THE ONLY THING MOVING. THEN, ALL OF A SUDDEN, THE VEHICLE SPED OFF AND HE LOST CONTROL OF THE VEHICLE BECAUSE THIS HAPPENED AT THE BEGINNING OF A CURVE AND HE COULDN'T REGAIN CONTROL OF THE VEHICLE AND SLAMMED INTO A TELEPHONE POLE WHICH BROKE HIS NECK AND BACK. THERE IS SOMETHING WRONG WITH THESE PASSATS. MY BROTHER AND HIS WIFE HAVE TOLD ME THAT THEIR 2018 PASSATS DO THE SAME THING (HESITATION/STALLING).