2018 Volkswagen Atlas Problems & Defect Complaints

On September 28, 2023, the Office of Defects Investigation (ODI) opened a Preliminary Evaluation (PE23017) to assess reports of inadvertent activation of the Front Assist automatic emergency braking (AEB) system in model year (MY) 2018-2019 Volkswagen Atlas vehicles.The reports alleged that activation of the AEB system occurred while driving with no apparent obstruction in the vehicle's forward path, resulting in sudden vehicle deceleration. Volkswagen indicated that it is aware of a total of 292 reports that may relate to the alleged defect in MY 2018-2019 Volkswagen Atlas vehicles.Volkswagen stated that some customers possibly had an inadequate understanding of Front Assist and its limitations.  However, many consumer complaints alleged that Volkswagen dealerships were unable to reproduce the condition or Volkswagen dealerships informed the consumers that this braking is considered normal Front Assist operation. ODI's analysis shows that MY 2019 Volkswagen Atlas vehicles have the highest rate of unique incident reports alleging AEB inadvertent activation when compared to their Volkswagen peers.The rate of unique incident reports alleging AEB inadvertent activation in MY 2018 Volkswagen Atlas vehicles was comparable to their Volkswagen peers. To date, ODI has received a total of 69 consumer complaints of inadvertent activation of Front Assist in MY 2018-2019 Volkswagen Atlas vehicles.  In total, ODI reviewed 264 unique (i.e., non-duplicative Vehicle Identification Numbers) reports that may relate to the alleged defect, which include eight reports of incidents involving an alleged injury and two reports involving a crash. PE23017 has been upgraded to an Engineering Analysis (EA24004) to further assess the scope, frequency, and potential safety related consequences of the inadvertent AEB activations in MY 2019 Volkswagen Atlas vehicles. To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

On March 29, 2021, the Office of Defects Investigations (ODI) opened PE21-008 to investigate instances of fuel injectors leaking in the engine compartment in model year (MY) 2018 through 2020 Volkswagen Atlas and Atlas Cross Sport SUVs. These vehicles are equipped with either a 3.6 or 2.0 liter engine. The subject investigation concerns vehicles equipped with 3.6L engines. Prior to opening the investigation, ODI also observed that warranty data for the fuel system from TREAD reporting was an outlier for the MY 2018 Atlas.The allegation involved fuel injectors leaking fuel near engine compartment components that operate at high temperatures. Consumers allege a fuel leak, fuel odor, and/or an illuminated check engine malfunction indicator light (MIL) on that alerts them to the condition. Fuel leaking in the engine compartment has a higher potential risk of fire as nearby components are operating at higher temperatures compared to other areas of the vehicle. No fires have been connected to this issue to date.The 3.6L engine is a VR6 type engine. Due to its specific design, the VR6 has two types of injectors with different designs installed. Cylinders 1, 3, and 5 use long injectors and cylinders 2, 4, and 6 use short injectors. Unlike the short injectors, the long injectors require an extension pipe necessary to reach cylinders 1, 3, and 5. Volkswagen stated that the potential root cause for a leaking injector is typically either a damaged, misaligned, or missing supporting ring or a damaged O-ring. These rings assist in connecting the injector to the extension pipe. If one of these conditions is present in a vehicle, the O-ring has difficulty withstanding fuel pressure over time.Volkswagen stated that an analysis of warranty data related to leaking injectors in vehicles equipped with 3.6L engines showed that the vast majority of leaking allegations were related to internal leaks. Fuel can leak into the cylinder causing misfiring in the affected cylinders. This condition would not cause fuel to enter into the engine compartment. Volkswagen states that these internal leaks pose no unreasonable risk to motor vehicle safety.Analysis of all relevant data indicates that the subject condition is an early-life failure with a relatively low failure rate. The average failure mileage calculated from all data sources was determined to be approximately 14,000 miles. Only two failures were reported outside of the vehicles' warranty coverage period. The average time to failure for the subject vehicle population is approximately 12 months in service (MIS). The majority of failures were below the average of 14,000 miles or 12 MIS. Analysis of reported failures showed that the failure rate is approximately 0.08% or 0.8 incidents per thousand vehicles (IPTV).To date, there have been no reported fires, crashes, injuries, or fatalities related to this issue. In view of the low rate of failure, the nature of early-life failure, and low potential hazard to drivers, this Preliminary Evaluation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.Review the ODI reports cited above at nhtsa.gov under the following identification numbers:11446833, 11438403, 11382958, 11298402, 11291955, 11218819, 11218780