Tag Archives: loss of acceleration

Is Your Volkswagen ID.4 A Lemon?

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The Volkswagen ID.4 is a popular electric vehicle that has been making waves in the automotive industry since its release in 2021. However, like any other vehicle, the ID.4 has not been immune to problems, complaints, and recalls.

One of the most significant problems reported by ID.4 owners is related to the vehicle’s software. There have been multiple complaints of the software malfunctioning, resulting in issues such as loss of power, sudden deceleration, and even complete shutdown of the vehicle. These issues have led to multiple recalls of the ID.4, with Volkswagen issuing software updates to address the problem.

Another complaint reported by ID.4 owners is related to the vehicle’s charging capabilities. There have been complaints about the charging process being slow or inconsistent, with some reports that the vehicle fails to charge altogether. While this issue has not led to any recalls, it is something that Volkswagen needs to address to ensure that the ID.4 remains a competitive electric vehicle option.

There have also been several complaints regarding the ID.4’s braking system. Some drivers have reported that the brakes are unresponsive, while others have complained about excessive brake wear. These issues have not resulted in any recalls, but they are cause for concern and something that Volkswagen needs to address to ensure the safety of its drivers.

In addition to these issues, there have been a few recalls associated with the Volkswagen ID.4. The most recent recall involves certain 2023 ID4 rear-wheel drive vehicles. The 12-Volt battery charging cable may contact the steering column shaft and cause the cable insulation to wear, possibly resulting in a short circuit. As a precaution, owners of affected vehicles are advised to park outside and away from structures and other vehicles due to the potential risk of a vehicle fire.

In conclusion, while the Volkswagen ID.4 is a promising electric vehicle option, it has had its fair share of problems and complaints. From issues with the software to problems with the charging and braking systems, there are areas where Volkswagen needs to improve the vehicle. However, it is reassuring to see that Volkswagen has been proactive in addressing these issues, with recalls and software updates aimed at improving the driving experience and ensuring the safety of its drivers.

Volvo PHEVs Could Experience Loss Of Power And Will Not Restart

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Some 2022-2023 Volvo PHEV vehicles could experience a loss of drive power because of a software error that may prevent the combustion engine from starting. Owner notification letters are expected to be mailed in December.

Volvo first became aware of the problem after receiving complaints of a vehicle no start condition in several Volvo models. (A low coolant flow issue was determined to be a potential cause.) Further investigation found that the estimated cooling flow on the electrical drive (ED) cooling circuit was set to zero when max cooling was requested. The problem was caused by faulty software logic. When the estimated cooling flow is set to zero the inverter generator module will set available torque to zero and the combustion engine will not start.

If the issue occurs the driver will experience a warning message in dim that “Propulsion System Service is Required“, at start. The vehicle will continue to start and drive on electric propulsion until a second warning appears – “Turtle in DIM and speed limited to 75 km/h“. If the driver ignores these visual and mechanical warnings, the vehicle will display “stop safely” and lose electric propulsion as the high voltage battery is depleted.

The vehicles affected include:

2022-2023 Volvo S60
2022-2023 Volvo S90
2022-2023 Volvo V60
2022-2023 Volvo XC60
2022-2023 Volvo XC90

The problem will be corrected through a ECM software update. Volvo’s number for this recall is R10198 and the NHTSA campaign number is 22V-793.

If your vehicle is experiencing repeated problems it could be a Lemon. Know your Lemon Law Rights. If you have any questions about your rights and the California Lemon Law, please call our office at 1-888-395-3666 and get some great Lemon Law advice!

Volvo XC40 BEV Acceleration Problems

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Some 2021-2022 Volvo XC40 BEV vehicles may experience accelerator issues because of a corrupt acceleration signal caused by corrosion within the accelerator pedal sensor (APS).

Volvo became aware of the problem in the first quarter of 2022 when they started receiving customer reports of different issues with accelerator pedal behavior. The problem was presented to the Critical Concern Management Team (CCMT) and, following an investigation and risk assessment, a recall was initiated.

According to the defect report, water entering the APS wire harness could cause corrosion within the accelerator pedal’s internal circuits. If this happens signals from the pedal could become corrupt.
Depending on which signal corrupts, the faults may differ. Drivers may experience unintended acceleration or no acceleration, loss of drive power, and/or a no-start condition. These vehicles do have a built-in safety logic that will reduce the acceleration when a corrupt signal is received. The vehicle is still controllable, and the driver is always able to stop the vehicle using the brake pedal.

Vehicles produced between 9-08-2020 and 8-13-2021 had an older style harness. Since then, there was a change in the cable harness supplier. The last vehicle produced with the older style harness was produced on 8-13-2021.

Owners will be asked to return to their dealers to have the accelerator harness and sensors inspected for corrosion and repaired as necessary. A cable splice will be installed to prevent water intrusion and, as necessary, the connector terminal and APS could be replaced. Volvo’s number for this recall is R10170 and the NHTSA campaign number is 22V-288.

Engine Power Warning!
Chevy Malibu, Buick LaCrosse & Buick Regal

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chevy malibu engine power reducedLoss of Continuity within Accelerator Pedal Position Sensor Circuit in some 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse and 2018 model year Buick Regal vehicles

The automobiles listed above do not have a mechanical connection for the accelerator pedal, instead, there is an electronic throttle control responsible for engine acceleration. The system includes an accelerator pedal position sensor, which tells the power train how much acceleration the driver requests.

General Motors have identified a problem affecting the acceleration position sensor in some 2016-2018 Chevrolet Malibu, 2017-2018 Buick LaCrosse and 2018 Buick Regal vehicles.

According to the Special Coverage Adjustment report N182188250 Loss of Continuity within Accelerator Pedal Position Sensor Circuit, the above vehicles may have a condition that affects the electrical connection to one of the vehicle’s position sensors in the accelerator pedal. If the electrical connection is interrupted, the accelerator pedal will still function, but the vehicle will enter a reduced engine power mode in which the maximum acceleration and torque are reduced.

When this problem occurs the driver will notice a reduction in engine power, the malfunction indicator lamp and the check engine lights illuminate and a diagnostic trouble code P2138 will be set. The problem could result in an unexpected and instant loss of power, which puts everyone on the road in danger.

General Motors will be offering special coverage for the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse and 2018 model year Buick Regal vehicles.

Click Here to see the complete Special Coverage Adjustment N182188250 Loss of Continuity within Accelerator Pedal Position Sensor Circuit.

2016 Hyundai Tucson Will Not Accelerate

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Certain 2016 Hyundai Tucson vehicles equipped with a 7-speed EcoShift dual clutch transmissions could experience unexpected loss of engine power. According to the defect report filed with the NHTSA, during higher ambient temperatures and specific operating conditions, the transmission clutch could experience a delay in engagement. If the driver presses the accelerator pedal steadily for approximately 1.5 to 2 seconds, the vehicle will begin to accelerate normally, however, if the accelerator pedal is repeatedly cycled, the vehicle will not move. Continue reading →

2016 RAM Trucks – Main Output Shaft Fracture

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Chrysler will be contacting the owners of certain 2016 RAM 3500, 4500 and 5500 trucks about a problem affecting their vehicles powertrain system. The transfer case main output shaft may have been manufactured misshapen, creating voids that could result in a shaft fracture. If the main output shaft fractures, the vehicle will lose motive power and the driver may be unable to shift into “PARK”.

Dealers will correct the problem by replacing the transfer case. For more information about the problem, owners are asked to contact Chrysler customer service at 1-800-853-1403. Chrysler’s number for this recall is S48 and the NHTSA campaign number is 16V-495.

Engine Knocks In Honda Accord & CR-V Vehicles

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Honda will be asking a small number of 2014-2015 Honda Accord and 2015 Honda CR-V owners to return to their dealerships to fix a manufacturing error. According to the defect report, during assembly of the short block, it is possible that the automated system that verifies torque of the engine connecting rod bolts may not have identified improperly torqued bolts in a specific group of engines. The problem could result in the engine rattling and knocking, oil leaks, and loss of power. Loss of engine power may result in a vehicle stall and an increased risk of an accident. Also, if the engine leaks oil in the proximity of hot engine or exhaust components, there is an increased risk of a fire. Continue reading →

2016 Kia Sorento Acceleration Problem

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A defect affecting certain 2016 Kia Sorento vehicles could result in the illumination of the check engine light and/or electronic stability control indicator light. According to reports filed with the NHTSA, a capacitor on the accelerator pedal assembly may have been improperly soldered at the manufacturer. This problem could result in a fault code indicating the senor circuit is open or shorted, forcing the vehicle into Limp Home Mode or Forced Idle Mode. If this happens, the driver will be permitted only minimal vehicle acceleration, increasing the risk of an accident. Continue reading →