Tag Archives: Manufacturer defect

Ford Bronco & Maverick Undetected Low Battery

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In recent years, advancements in automotive technology have led to increasingly sophisticated control systems within vehicles, aimed at enhancing performance, efficiency, and safety. However, with these advancements come the potential for unforeseen challenges and issues to arise.

One such challenge has been identified in certain models of Ford vehicles, specifically the 2021-2024 Ford Bronco Sport and the 2022-2023 Ford Maverick. The concern centers around the failure of the body control module (BCM) and powertrain control module (PCM) to accurately detect changes in the state of charge of the 12-volt battery. This oversight has significant implications, as it could result in a loss of drive power, thereby increasing the risk of accidents and compromising the safety of both drivers and passengers.

The issue first came to light in October 2023, when the National Highway Traffic Safety Administration’s Office of Defects Investigation (NHTSA ODI) initiated an inquiry following reports of loss of motive power (LOMP) and subsequent loss of 12-volt accessories in 2021 model year Bronco Sport vehicles. Upon receiving 29 potentially relevant Vehicle Owner Questionnaires (VOQs) from NHTSA, Ford’s Critical Concern Review Group (CCRG) promptly launched an investigation to delve deeper into the matter.

Subsequent testing and analysis revealed a fundamental flaw in the BCM and PCM calibrations, rendering them incapable of accurately detecting battery failure in the affected vehicles. This deficiency becomes particularly pronounced during instances where the alternator struggles to meet the electrical load demand or during Auto Stop-Start events. As a result, drivers may experience unexpected loss of drive power, posing a serious safety hazard.

In response to these findings, Ford’s Field Review Committee took decisive action and authorized a vehicle recall to address the underlying issue. Under the recall, authorized dealerships will undertake corrective measures by re-calibrating the BCM and PCM to ensure accurate monitoring of the 12-volt battery state of charge. The recall process is expected to commence soon, with owner notification letters slated to be mailed out on May 13, 2024.

However, the implications of this issue extend beyond the immediate safety concerns. Ford acknowledges a significant number of warranty reports, field reports, and customer complaints related to this issue, totalling 917, 11, and 54 respectively. Moreover, there have been alarming reports of three unverified incidents of fire and two property damage claims allegedly linked to this concern. These statistics underscore the urgency of addressing the issue promptly and comprehensively.

In light of these developments, Ford has assigned a unique recall number, 24S24, and the corresponding NHTSA campaign number is 24V-267.

Airbag May Not Deploy In Subaru Outback And Legacy Vehicles

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This matter came to light in February 2024 when Subaru initiated an investigation after receiving returned parts from reports indicating airbags failing to deploy as intended. Subaru collaborated with the supplier and submitted an equipment recall (24E-016) to the National Highway Traffic Safety Administration (NHTSA), signalling the commencement of evaluations regarding the safety implications for Subaru vehicles and the potentially impacted population. Subaru made the decision in March to launch a comprehensive safety recall campaign.

Digging into the technicalities of the issue, the defect report highlights a convergence of factors contributing to the capacitor cracking. It suggests that the utilization of alternate component sub-suppliers during short-term natural disaster recovery, combined with certain supplier processing methods, may have led to this vulnerability. Specifically, it’s noted that during a specific production period at a particular supplier, the ODS Sensor Printed Circuit Board (PCB) might have undergone deformation, thereby initiating cracks in the capacitor. Over time, these cracks could permit moisture ingress into the capacitor, ultimately resulting in a short circuit.

The ramifications of this malfunction are significant. When a short circuit occurs, indicators such as the SRS airbag system warning lamp and the front passenger’s frontal airbag OFF indicator illuminate. This signifies a potential failure of the front passenger airbag to deploy in specific crash scenarios, thus elevating the risk of injury to the occupant in the respective seat.

In response to this concern, Subaru has outlined a comprehensive course of action. Owners of the affected vehicles will be contacted and requested to visit authorized dealerships for the replacement of ODS sensors on the front passenger seat. Initial communication regarding the safety risk is anticipated to be dispatched by May 21, 2024, in the form of interim letters. A subsequent letter will follow once the remedy procedure is finalized. To facilitate communication and tracking, Subaru has assigned the recall number WRA-24, with the NHTSA campaign number denoted as 24V-227.

VW & Audi – Fuel Tank Suction Pump Failure

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Volkswagen Group of America, Inc. (Volkswagen) will be contacting the owners of certain front-wheel drive Volkswagen and Audi vehicles because the suction jet pump seal inside the fuel tank could fail. This failure could allow fuel to flow into the evaporative emissions (EVAP) system and possibly leak out of the charcoal canister.

The problems started in August 2016 when Volkswagen determined there was a defect affecting vehicles built with a specific suction jet pump. A Recall (16V-647) was issued and the affected vehicles received an improved version (Version 1.1) of suction jet pump.

In April 2018 Volkswagen started to receive their first reports of suction jet pump failures and an investigation was started. During an analysis of these warranty claims and customer complaints (VOQ’s), the evaluation of the field performance of the improved version of the suction jet pump indicated an increased failure rate. The topic was discussed at the Product Safety Committee’s of Volkswagen and Audi and a recall for all front wheel drive vehicles that have been equipped with the improved version was decided (based on 1410 warranty claims on FWD vehicles with repair dates between 05/01/2016 and 12/31/2023)

The vehicles affected include:
2015-2020 Audi A3 Sedan
2015-2019 Audi A3 Cabriolet
2019-2020 Volkswagen Jetta GLI
2018 Volkswagen Golf Sportwagen GP
2018-2019 Volkswagen Golf Sportwagen A7
2015-2017 Volkswagen Golf Sportwagen
2015-2020 Volkswagen Golf GTI
2015-2020 Volkswagen Golf A7

The recall remedy component is a redesigned suction jet pump (Version 2.0) and has incorporated multiple changes/improvements. The remedy part has the part number 5Q0.201.029 A, the recalled part has the part number 5Q0.201.029.

Owners receiving notices will be instructed to return to their dealers to have the suction pump replaced. Volkswagen’s numbers for this recall are VW: 20UF/Audi: 20YF. The NHTSA campaign number is 24V-110. Vehicles that were previously recalled under 16V-647 will need to have the new remedy completed.

GM “Stop Delivery” On Certain Chevy Blazer, Chevy Equinox And GMC Terrain Vehicles

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Chevy Blazer EV Stop Delivery

General Motors (GM) has announced an immediate stop delivery order for certain 2024 model vehicles, including the Chevrolet Blazer, Chevrolet Blazer EV, Chevrolet Equinox, and GMC Terrain vehicles. This decision, taken as a precautionary measure to ensure customer satisfaction and vehicle reliability.

The specific issue prompting this stop delivery order has not been publicly disclosed by General Motors. The order is categorized under “Global Safety Field Investigations,” suggesting that GM is actively working to identify and rectify the underlying problem. The lack of detailed information at this stage highlights the company’s cautious approach in handling potential vehicle issues.

Affected vehicles have been identified through their Vehicle Identification Numbers (VINs), with a clear directive that these vehicles should not be sold or delivered by dealers until further details and solutions are provided. This restriction also prohibits dealer trades, auction releases, demonstration uses, or any other dealership activities involving these models. To facilitate this process, GM has updated the Investigate Vehicle History (IVH) screen in the Global Warranty Management (GWM) system, which now tags the affected vehicles with a “Stop Delivery” status and labels the VIN as “Incomplete Remedy Not Available.”

One significant concern that has emerged is related to software issues in the 2024 Chevrolet Blazer EV, which uses GM’s advanced Ultium battery system. A small number of Blazer EV owners have reported issues with the software quality, prompting Chevrolet to temporarily halt sales and deliveries of this model. This pause is intended to ensure that the vehicles delivered meet GM’s high standards for quality and reliability. Notably, the software problems cannot be resolved through an over-the-air (OTA) update, necessitating a visit to the dealership for service.

GM has assured customers and stakeholders that these software issues are not safety-related and do not pertain to the Ultium battery system or the Google Built-in features. The engineering teams at GM are actively working on a solution. Affected vehicle owners will be contacted by GM with instructions on scheduling their software updates.

This stop delivery order, labeled under GM number N232429910, is a measure by GM to preemptively address potential issues before they impact customers. As the situation evolves, GM is expected to provide further updates and guidance to both dealerships and vehicle owners.

OCS Sensors May Short Circuit In Lexus And Toyota Vehicles

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Toyota Motor Engineering & Manufacturing (Toyota) has announced a significant recall affecting a range of Lexus and Toyota vehicles from the 2020 to 2022 model years. This recall, necessitated by a defect in the Occupant Classification System (OCS) sensor, underscores a critical safety issue that could potentially prevent the deployment of the front passenger airbag.

The recall spans a variety of models, including:

  • Lexus ES (2020-2021)
  • Lexus ES Hybrid (2020-2022)
  • Lexus RX and RX Hybrid (2020-2021)
  • Toyota Avalon and Avalon Hybrid (2020-2021)
  • Toyota Camry and Camry Hybrid (2020-2022)
  • Toyota Corolla, Highlander, and their Hybrid variants (2020-2021)
  • Toyota RAV4 and RAV4 Hybrid (2020-2021)
  • Toyota Sienna Hybrid (2021)

The issue originates from the Occupant Classification System sensors located in the front passenger seat. These sensors play a pivotal role in the Supplemental Restraint System (SRS), determining the deployment of the front passenger airbag based on the occupant load. A defect has been identified wherein, during production, the sensor’s Printed Circuit Board (PCB) became deformed. This deformation can cause a crack in a capacitor, leading to moisture intrusion over time and resulting in a short circuit.

The malfunctioning of these sensors poses a significant risk. In the event of a short circuit, the SRS warning lamp and the “Passenger Airbag OFF” lamp will illuminate, accompanied by a message on the Multi-Information Display (MID). The most concerning consequence is that the front passenger airbag may not deploy in certain crashes, markedly increasing the risk of injury to the occupant.

To address this issue, Toyota dealers will conduct inspections and replace the sensor where necessary. The recall is comprehensive in its scope, and owner notification letters are expected to be dispatched starting February 4, 2024.

Toyota has assigned the numbers 23TB15/23TA15 for Toyota and 23LB03/23LA03 for Lexus vehicles to this recall. Additionally, the National Highway Traffic Safety Administration (NHTSA) has registered this recall under campaign number 23V-865.

This recall by Toyota highlights the intricate nature of modern automotive safety systems and the critical importance of their proper functioning. Owners of the affected vehicles are urged to heed the recall notice and have their vehicles inspected and repaired as necessary to ensure their safety and that of their passengers.

Volkswagen Charging Cable Could Overheat

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Volkswagen Group of America, Inc., particularly its Audi division, is facing a significant challenge with its 220V/240V charging cables. Owners of certain 2019-2024 Audi models are being notified due to a defect that could lead to the overheating and potential fire hazard of the outlet or charging cable. This alarming issue affects a range of models, including:

  • 2021-2022 Audi A7
  • 2020-2021 Audi A8
  • 2019-2024 Audi E-Tron
  • 2022-2024 Audi E-Tron GT
  • 2022-2024 Audi Q4 E-Tron
  • 2020-2024 Audi Q5
  • 2022-2024 Audi RS E-Tron GT

The problem first came to light in September 2020 when cases of melting and overheating at the industrial socket (NEMA 14-50) were reported during the use of the industrial 220V/240V plug with 40 amperes. Audi’s thorough investigation, which involved requesting parts from the field and analyzing customer charging behavior, revealed that the vehicles and the provided charging equipment were not at fault. Instead, the cause was often linked to household power outlets and wiring, or circuit breakers not capable of handling the required electrical current.

Understanding that household power outlets and wiring might not be equipped to handle the necessary current, Audi initiated a service campaign that instructed customers to bring their charging equipment to an Audi dealer to modify the charging system control unit to a 50% power level for the industrial plug. Additionally, a warning label was attached to the control unit of the Audi compact charging system, advising on safe usage.

Despite these measures, and the ability to charge at 100% current upon confirmation of adequate home power supply, further incidents of overheating and melting sockets were reported. As a result, in January 2022, Audi launched a safety recall, superseding the service campaign, to replace the affected charging cables with new ones equipped with temperature sensors. For unsold vehicles, the industrial charging cable will be replaced before delivery. As of the latest reports, Audi has identified 615 claims related to this issue from 08/05/2020 to 12/05/2023. Fortunately, there have been no reports of fires, crashes, or injuries connected to this problem.

Audi advises owners of the affected models not to use the 220V/240V compact/portable charging cable. Instead, they should use the 110V home charging cable or public charging stations until the issue is resolved. Owners can expect to receive interim notification letters by February 9, 2024, explaining the safety risks. A second notice will follow, detailing the availability of remedy parts, expected around mid-2024. Audi’s recall numbers are 93U6 and 93U8, with the NHTSA campaign number being 23V-842.

This recall underscores the importance of not only the quality of automotive products but also the compatibility and capacity of home electrical systems. Owners of the affected models are urged to heed the recall notices and take the necessary steps to ensure their safety.

Battery Problem – Jeep Wrangler PHEV

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In recent years, the automotive industry has witnessed a significant shift towards electric vehicles (EVs), with hybrid models like the Plug-In Hybrid Electric Vehicles (PHEVs) gaining popularity. However, this transition has not been without challenges, particularly concerning battery reliability and safety. A case in point is the recent issue with certain 2021-2023 model year Jeep Wrangler PHEVs.

The Core Issue

The heart of the problem lies in the high voltage (HV) battery of some Jeep Wrangler PHEVs, which have been reported to fail internally. This issue first came to light in May 2023 when the FCA Technical Safety and Regulatory Compliance (TSRC) organization received two field reports of 2021 Jeep Wrangler PHEVs catching fire due to the HV battery. Following these alarming reports, FCA bought back the vehicles for in-depth analysis. By November 2023, seven such incidents had been reported, prompting FCA US to initiate a voluntary safety recall of the affected vehicles.

Investigating the Cause

The root cause of these battery failures remains unidentified and under investigation. The suspect period for these faults began on September 18, 2020, with the issue being potentially linked to battery cells manufactured between January 21, 2021, and October 2, 2021. These dates were determined using supplier manufacturing records, indicating a specific window during which the faulty cells were produced.

Broader Challenges with EV Batteries

This situation with Jeep Wrangler PHEVs brings to light broader concerns in the EV industry regarding battery safety and reliability. Battery issues in electric vehicles can stem from various factors, including manufacturing defects, improper management of battery temperature, overcharging, or physical damage to the battery. Such problems can lead to reduced battery life, decreased performance, and in extreme cases, safety hazards like fires.

The recall of the Jeep Wrangler PHEVs underscores the importance of ongoing monitoring and quality control in the production of EV batteries. Manufacturers must implement stringent quality checks and improve battery technology to prevent such incidents. Furthermore, understanding and rectifying the root cause of these failures is crucial for the advancement and consumer confidence in EV technology.

Owners are advised not to recharge their vehicles, and to park outside and away from structures, until they are repaired. Dealers will update the high voltage battery pack software and replace the battery pack assembly if necessary. FCA US, LLC’s number for this recall is 89A and the NHTSA campaign number is 23V-787.

The case of the Jeep Wrangler PHEV batteries serves as a reminder of the complexities and challenges associated with the EV revolution. While the shift to electric mobility is imperative for sustainable transportation, it also demands heightened attention to the safety and reliability of EV components, especially batteries. As the industry evolves, continuous improvements and vigilance in battery technology and manufacturing processes will be key to ensuring the safety and satisfaction of EV users worldwide.

Volkswagen ID.4 Door Handle Malfunction

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Door handle water intrusion Recent developments in automotive safety have brought to light a significant issue with the 2021-2023 Volkswagen ID.4 models. These vehicles have been identified as having door handles that fall short of the required standards for water ingress protection. This defect poses a serious safety risk, as it can lead to malfunctions in the door lock system, causing doors to open unexpectedly.

The Central Safety Concern

The main safety hazard is the risk of doors opening spontaneously under high lateral forces, particularly at speeds below 9 mph (15 km/h). This can be dangerous for both the vehicle’s occupants and those outside, including pedestrians and nearby objects. The problem stems from water entering the printed circuit board within the door handle, leading to miscommunications with the door control unit.

Signs of the Malfunction

Drivers and passengers in the affected Volkswagen ID.4 models may notice an unusual clicking sound, similar to that of doors locking or unlocking, which can indicate the onset of this issue.

Timeline of the Volkswagen ID.4 Door Handle Issue

  • June 2021: The first signs of this issue in the Volkswagen ID.4 were reported in the U.S., with two cases of door openings. Investigations pointed to wiring harness damage as a cause of water ingress.
  • April 2022: Additional reports confirmed the presence of water in the circuit board.
  • April-November 2022: Volkswagen conducted in-depth analyses using malfunctioning parts, signal debugging, and accelerated aging tests.
  • November 2022: Tests on field vehicles identified the issue at speeds below 15 km/h.
  • January-February 2023: In collaboration with suppliers, Volkswagen analyzed and tested deconstructed field parts.
  • February 2023: Environmental tests commenced on serial parts to better understand the ingress of water.
  • February 28, 2023: The NHTSA called for a meeting with VWGoA to discuss the ID.4 door handle issue.
  • March 2023: Continued investigations by VWGoA and NHTSA, with no definitive root cause identified initially.
  • March 28, 2023: Completion of climate chamber tests led to the identification of the root cause.
  • April 2023: Volkswagen’s Product Safety Committee started identifying affected ID.4 vehicles.

Recall Decision and Implications

By April 26, 2023, Volkswagen’s Product Safety Committee had decided to recall the affected 2021-2023 ID.4 models, following 28 reported instances of door openings. This recall is a vital step in rectifying a crucial safety defect, highlighting the need for stringent quality control and proactive measures in the automotive industry.