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Honda recalls over 700,000 vehicles because of possible BCM Software Malfunction

National Highway Traffic Safety Administration - NHTSAWashington, D.C. – The National Highway Traffic Safety Administration (NHTSA) reports Honda (American Honda Motor Co.) is recalling certain 2018-2020 Accord Sedan, Accord Hybrid, and 2019-2020 Insight vehicles.

Various system malfunctions such as inoperative windshield wipers, defroster, rearview camera, or exterior lighting can increase the risk of a crash.

2020 Honda Accord is one of the models being recalled.

Recall Information

NHTSA Campaign Number: 20V771000

Manufacturer: Honda (American Honda Motor Co.)

Components: Exterior Lighting, Visibility, Visibility/Wiper, Back Over Prevention, Electrical System

Potential Number of Units Affected: 737,233

 

MAKEMODELYEAR
 
HondaAccord2018-2020
HondaAccord Hybrid2018-2020
HondaInsight201-2020

Summary

Honda (American Honda Motor Co.) is recalling certain 2018-2020 Accord Sedan, Accord Hybrid, and 2019-2020 Insight vehicles. A software error may cause intermittent or continuous disruptions in communication between the Body Control Module (BCM) and other components.

This may result in malfunctions of various systems such as the windshield wipers and defroster, rearview camera, exterior lights, audible warning of a stopped vehicle, and power window operation.

As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 103, “Windshield Defrosting and Defogging Systems” and number 111, “Rear Visibility” as well as FMVSS numbers 104, 108, 114, 118, and 305.

Remedy

Honda will notify owners, and dealers will update the BCM software, free of charge. The recall is expected to begin January 18th, 2021. Owners may contact Honda customer service at 1.888.234.2138. Honda’s number for this recall is X95.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to www.safercar.gov

Sours: https://www.clarksvilleonline.com/2020/12/22/honda-recalls-over-700000-vehicles-because-of-possible-bcm-software-malfunction/

It looks as if recalls are plaguing Honda yet again. The last time Honda had a recall this voluminous was back in 2014 when nearly 900,000 Odyssey minivans were recalled due to a faulty fuel-pump part. The Honda Odyssey made headlines again in August 2020 because of a safety feature malfunction with over 200,000 recalled. According to an article by Car Complaints published December 18, 2020, Honda has recalled an additional 770,000 models of 2018 through 2020 Accords, Accord Hybrids, and Insights.

Programming mistakes in the body control module software

As vehicles become more reliant on software, we’re likely to see more recalls related to faulty code than mechanical issues. These latest recalls by Honda exemplify this as mistakes in the programming of Body Control Module (BCM) software may cause all sorts of systems to malfunction. Such coding mistakes can interrupt communications between the modules and other components. Some of these problems include issues with the rearview camera display, defroster, windshield wipers, turn signals, and power windows.

Honda stated in a press release,

“Due to a programming flaw, a certain combination of driver actions and vehicle conditions may disrupt communication between the BCM and other components, causing illumination of several warning lights and malfunction of one or more electronic components including the rearview camera display, turn signals and windshield wipers, some potentially increasing the risk of a crash. This condition may also result in noncompliance with certain federal motor vehicle safety standards. Honda has received no reports of crashes or injuries related to this issue.”

Honda sent the faulty modules to the Kentucky-based supplier, Sumitomo Electric Wiring Systems, but didn’t find any problems. However, Honda investigators had confirmed the Controller Area Network (CAN bus) communications between particular vehicle systems were being disrupted. Investigators also looked into similar reports from Japan but eventually determined that the origin of the issues was different.

What are a BCM and CAN bus?

A BCM is also known as a body computer. It’s a general name for an electronic control unit (ECU) responsible for managing and running numerous electronic devices in a vehicle. In most vehicles, the BCM is responsible for controlling the power mirrors, power windows, rear window defrost, central locking system, immobilizer system, power mirrors, air conditioning, among other things. While its primary application is to control load drivers, it uses the CAN bus to communicate with other onboard computers in a vehicle as well.

A Controller Area Network (CAN bus) is a robust vehicle bus; a vehicle bus is a specialized internal communications network that interconnects vehicle modules and other components. Particular vehicle control requirements mandate the use of less common networking protocols. A CAN bus allows certain devices and microcontrollers to interface with each other’s software without the need for a host computer.

While data is transmitted sequentially for each device, higher priority devices are allowed to transmit their data ahead of others. Data is transmitted in frames which are received by all devices in the vehicle, including transmitting devices.

It goes without saying that interrupting communications between these components can lead to dangerous conditions. If you own any of the Honda models listed in this recall, it’s advisable to take your car to the nearest Honda service provider when the recall program starts. While some of these system issues may not be dangerous, others could potentially put you or your passengers at risk.

What you can do if your Honda vehicle is affected by this recall

RELATED: The Honda Accord Hybrid Is Everything the Kia Niro Hybrid Should Be

There haven’t been any reports of accidents or injuries associated with the BCM issues. Nevertheless, software defects like this can result in violating several federal safety standards. Honda stated that the recall program will begin on January 18, 2021. At that time, Honda dealers will start updating the BCM software in the affected models.

Sours: https://www.motorbiscuit.com
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116 Body Control Modules found

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    Part Number: 38800-THR-A22

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    • Accord | 2018-2020 | 4 Door (2.0 Touring), 4 Door EX-L (2.0) | KA XAT
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  • Honda Body Control Module - 38809-TVA-AD1
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    Fits the following Honda Models:

    • Accord | 2018-2020 | 4 Door EX | KA CVT
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  • Honda Body Control Module - 38809-TBF-A21
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    • Civic | 2019-2020 | 2 Door EX, 2 Door EX (Turbo), 2 Door Sport, 2 Door Sport (CVT) | KA CVT, KL CVT
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  • Honda Body Control Module - 38809-TBF-A31
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Sours: https://www.hondapartsnow.com/oem-honda-body_control_module.html
Body Control Module

Statement by American Honda Regarding Body Control Module Recall: 2018-2020 Honda Accord, 2018-2020 Honda Accord Hybrid and 2019-2020 Honda Insight

  • Approximately 737,000 vehicles are affected in the United States
  • BCM software will be updated, for free
  • No reported crashes or injuries related to this issue

Honda will voluntarily recall approximately 737,000 model-year 2018-2020 Accord and Accord Hybrid vehicles along with 2019-2020 Insight vehicles in the United States to update software in the Body Control Module (BCM). Due to a programming flaw, a certain combination of driver actions and vehicle conditions may disrupt communication between the BCM and other components, causing illumination of several warning lights and malfunction of one or more electronic components including the rear view camera display, turn signals and windshield wipers, some potentially increasing the risk of a crash. This condition may also result in noncompliance with certain federal motor vehicle safety standards. Honda has received no reports of crashes or injuries related to this issue.

Honda is announcing this recall to encourage each owner of an affected vehicle to take it to an authorized dealer as soon as they receive notification of this recall from Honda. Mailed notification to owners will begin in late-Jan. 2021. Owners can also determine if their specific vehicles are included in the recall by visiting www.recalls.honda.com or by calling (888) 234-2138.

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Sours: https://hondanews.com/en-US/releases/release-e1a157df687ff71da1f64a190f01a04b-statement-by-american-honda-regarding-body-control-module-recall-2018-2020-honda-accord-2018-2020-honda-accord-hybrid-and-2019-2020-honda-insight

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