Pre collision system malfunction

The pre-collision system is a lifesaving feature that helps commuters avoid accidents or reduce the severity of auto clashes, pre collision system malfunction. But like every other piece of complex automobile technology, the PCS is not perfect. Pre-collision system malfunction means the system does not function the way it should.

Please can someone help me out with a solution for the following Toyota Pre-Collision System Malfunction. I am at my wits end with this, had the car since August 1. I have been back to the main dealer which I git the car from 4 times now once a month to have it scanned and every time they tell me "Sorry Sir, we cannot do any investigation as there are no codes stored on the ECU", I am starting to feel like there feeding be some bull here as every time they have scanned the car the error had miraculously disappeared only to return nearly every month of owning the car. I can't help feeling that there just resetting it I know its not the normal "PCS Unavailable" message as the system works fine as this has popped up during foggy, heavy rain and when the windshield is misted which is all normal however trying to explain to them that this is a "Malfunction" which they can see from the photos I've been emailing them every time its happened. Please help someone must have had this keep happing to them and got it resolved

Pre collision system malfunction

Remember Me? Site Navigation. My 4-Runner shows a warning lot on the dash, and the display indicates a "Pre-Collision System Malfunction". With a one year warranty on the new sensor. Has anyone experienced this problem? Is there a way to disable this function and have the warning in the display disappear? I see this becoming a money black hole. The sensor is mounted in the front bumper, I suspect the car wash may have knocked it out of whack, and will continue to do so. So what was the warranty on the original sensor? Seems like it should be covered on a model year. For those prices, I'd look at what independent, repair or body, shops would charge. AZ Craig. Originally Posted by flyrv9. Member's Picture Albums. I do not believe that car wash fault.

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However, there can be a Pre-Collision System malfunction in Toyota models that actually creates more danger. For this reason, you should never ignore the alerts. For many of us older mechanics, working on these sophisticated systems can be a real pain. The systems are sophisticated and made up of many electronics that cause confusion. To help guide you through the process, we cover the reasons for this Toyota malfunction and discuss the best repair procedures. We also answer a few of your top questions.

Pre collision system malfunction

Attachments are working again! Check out this thread for more details and to report any other bugs. I tried to Google those warnings to see what it could possibly be -- but while I got numerous hits mostly here on PriusChat of others having the same warnings, NONE of them posted afterwards with what the problem wound up being! For what it's worth, in my case, it turned out to be the Hybrid Water Pump.

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If your PCS is malfunctioning, but your car is operating just fine, it could result from a filthy speed sensor. There are several noticeable pointers to a failing pre-collision system. How does the pre-collision system work? Display as a link instead. The collision alarm light will still function whether the pre-collision system is on or turned off. After cleaning everything, it worked fine. A simple solution will be to recalibrate the aftermarket grilles and realign the lift kits properly. Can I drive my car with the pre-collision system unavailable? Is your 4Runner lifted? Site Navigation. For those prices, I'd look at what independent, repair or body, shops would charge. Resetting the sensor will be futile if the sensor is broken or damaged. Become a Sponsor. It's FREE! Find More Posts by djeepin.

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These warnings could be in the form of exclamation marks or lines on the screen. Remember Me? If it detects possible collisions, the sensor automatically turns on the pre-collision system to avoid the collision or reduce the severity. Become a Sponsor. Member's Picture Albums. Please help someone must have had this keep happing to them and got it resolved Filip Gromovic October 10, I am at my wits end with this, had the car since August 1. You can post now and register later. Posted October 24, Forum Rules. Site Navigation. You should take your vehicle to your dealer or a skilled technician to examine and fix it. A simple solution will be to recalibrate the aftermarket grilles and realign the lift kits properly. Debris build-up is a common cause of PCS malfunction.