Has anyone ever got this issue? 2021 xle premium gas model. It says Brake Hold malfunction and parking brake malfunction
Brake Hold Malfunction
anth0s
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Yes I did. By the way I carry and recommend carrying a battery jump starter like a NOCO GB40. If this turns out to just be a batch of bad batteries in 2021 cars you won't get stranded in an out of the way place. It is known that a weak battery can set false warning messages in the rav4 so maybe that is all this problem is.
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Thank you. I appreciate your advice!
I'll have to get one and find the location of this 12V battery for future reference.
On YouTube check out the Morosov Automotive channel He has good videos showing how to jump start the Rav 4 battery and how to remove it for replacement. Jump starter $99 at Walmart.
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I havent watched the video yet, as I am at work. I assume you are indeed referring to the 12v battery that powers these EPA and Cruise Control systems, and not the cars battery itself?
Thanks again!
No the car battery itself - the big black box under the hood on driver's side with 2 thick wires bolted to the terminals on top. That is the only battery in the gas engine model XLE. Hybrids are different.
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See that's where I am confused. The dealership made it seem like there was a separate battery for those systems, which is what I understood as the one that they replaced.
I do understand where/what the battery looks like and its location under the hood. I just think I misunderstood the dealerships explanation.
I do understand where/what the battery looks like and its location under the hood. I just think I misunderstood the dealerships explanation.
Many people on this and other forums think that the dealer service desk guys are morons. They do not work on the cars themselves and sometimes give confusing and bad information to customers. I assure you there is only the one battery under the hood on your car. There is no separate battery for the parking brakes, cruise control or anything else. You said you have a gas engine model. The hybrids are different and have a storage battery for the electric motors in addition to the battery under the hood for their gas engine.
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"Many people on this and other forums think that the dealer service desk guys are morons. They do not work on the cars themselves and sometimes give confusing and bad information to customers. "
Both true, and frustrating. Especially when I am not a moron and I do understand the basic mechanics of an engine and how it functions. They however do not know that I suppose. But incorrect information is not helpful to give to customers no matter what the reason!
Thanks again for all your help. I will definitely get a jumpstarter. ( I have traditional battery chargers at home, and a set of jumper cables in the car) but because Its been said that codes are known to be thrown from a weak battery in these vehicles, and I know the dealership only replaced the battery and not the Cad Cam module (or even bothered looking into why the battery could be weak in a car with 1300 miles), I will keep a jump started to prevent the chance of getting stranded! I hope the battery was just a faulty battery, but I do wonder if there could still be an underlying issue that was not properly or fully addressed
Both true, and frustrating. Especially when I am not a moron and I do understand the basic mechanics of an engine and how it functions. They however do not know that I suppose. But incorrect information is not helpful to give to customers no matter what the reason!
Thanks again for all your help. I will definitely get a jumpstarter. ( I have traditional battery chargers at home, and a set of jumper cables in the car) but because Its been said that codes are known to be thrown from a weak battery in these vehicles, and I know the dealership only replaced the battery and not the Cad Cam module (or even bothered looking into why the battery could be weak in a car with 1300 miles), I will keep a jump started to prevent the chance of getting stranded! I hope the battery was just a faulty battery, but I do wonder if there could still be an underlying issue that was not properly or fully addressed
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That's me!! Hello, Rav4World
Just created an account to make sure we have some kind of a reference for people who stumble upon this later as well (either on reddit or here)
So I'll keep you all posted. Mine is a bit more tricky since it's a rental vehicle (granted I have a business account so it's more of a lease style arrangement), but I took it in to the service centre today and asked them to specifically give me updates on it when it's resolved. I've been driving it quite a bit over the past 4 months (put on about 34,000km in that time - so a LOT of mileage in a short period of time) so I might be an outlier in terms of wear and tear.
When I hear back from them, I'll update everyone both here and on Reddit. I've got the contact info for someone at Toyota on the customer care team as well so I'll make sure to ping them about it as well.
Otherwise, for those wondering, it was exactly like the other situation. Typical drive, the second I hit reverse, I got the chime and the error. I don't think I shifted particularly quickly or drive rough at all (the auto parking brake was always enabled as default), so it was quite interesting. I did end up doing a small ~200km run with the notification and didn't notice any problems either (aside from cruise control and brake hold being entirely unavailable and the screen being overtaken by the warning - no ability to clear it since it kept popping back up and blocking the digital speedometer).
Did try doing a cycle of 10 enable-disable of the parking brake in the garage with a power cycle to see if it helped, but nothing. No strange noises, heat, or other noticeable side effects.
Welcome to the forum. Please do keep us posted on the outcome. Please try to get a straight answer out of the dealer as to what the "module" issue is. Previously on this forum when people had weak or dead batteries no one got this parking brake and cruise control warning. This is new and unique on 2021 models.That's me!! Hello, Rav4World
Just created an account to make sure we have some kind of a reference for people who stumble upon this later as well (either on reddit or here)
So I'll keep you all posted. Mine is a bit more tricky since it's a rental vehicle (granted I have a business account so it's more of a lease style arrangement), but I took it in to the service centre today and asked them to specifically give me updates on it when it's resolved. I've been driving it quite a bit over the past 4 months (put on about 34,000km in that time - so a LOT of mileage in a short period of time) so I might be an outlier in terms of wear and tear.
When I hear back from them, I'll update everyone both here and on Reddit. I've got the contact info for someone at Toyota on the customer care team as well so I'll make sure to ping them about it as well.
Otherwise, for those wondering, it was exactly like the other situation. Typical drive, the second I hit reverse, I got the chime and the error. I don't think I shifted particularly quickly or drive rough at all (the auto parking brake was always enabled as default), so it was quite interesting. I did end up doing a small ~200km run with the notification and didn't notice any problems either (aside from cruise control and brake hold being entirely unavailable and the screen being overtaken by the warning - no ability to clear it since it kept popping back up and blocking the digital speedometer).
Did try doing a cycle of 10 enable-disable of the parking brake in the garage with a power cycle to see if it helped, but nothing. No strange noises, heat, or other noticeable side effects.
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Hey! Thanks for joining!
My automatic parking brake was automatically enabled since time of purchase. I hadn't even thought to look into turning it off.
Like you, I also didn't feel like I shifted quickly and vehicle operation seemed as normal besides the cruise control wouldnt come on and the warning for the parking brake took over my dashboard there and wouldn't clear.
Interested in hearing the resolution for yours. Mine has significantly less miles as I just purchased it a month ago, none the less, Interested to hear your outcome as it seems that this is new and unique for the 2021 models.
Hopefully you can be more informed when speaking with the service techs and get a more detailed answer then what they gave to me!
Thanks again for joining!
My automatic parking brake was automatically enabled since time of purchase. I hadn't even thought to look into turning it off.
Like you, I also didn't feel like I shifted quickly and vehicle operation seemed as normal besides the cruise control wouldnt come on and the warning for the parking brake took over my dashboard there and wouldn't clear.
Interested in hearing the resolution for yours. Mine has significantly less miles as I just purchased it a month ago, none the less, Interested to hear your outcome as it seems that this is new and unique for the 2021 models.
Hopefully you can be more informed when speaking with the service techs and get a more detailed answer then what they gave to me!
Thanks again for joining!
I have now spent several hours of research on the two codes the technician found. These are not normal OBD2 codes. On a Russian pirate site I found lists of what are apparently proprietary Toyota DTC codes unique to Toyotas. I assume you could find these if you plugged in a normal OBD2 scanner, but I am not sure. You may need Techstream or some dealer only device. The CO59746 "Module A" is some component in the ABS brake system. I could not find anything more. Possibly it is one of the two power brake modules on the rear calipers.The other code C14FE14 is as the tech says a steering angle sensor which shorted or malfunctioned. Now my problem is, why would a discharged battery that still had enough juice to start and run the car cause these 2 codes to pop up and cause trouble with those 2 components? It is possible you could charge up the old battery yourself, clear these DTC codes with the OBD2 scanner, delete any alert message warnings in the touchscreen -- then the messages on the MID screen might disappear and the cruise control work again.
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I've been wondering how a discharged battery, with enough juice to start and run the car caused these 2 codes to pop up and cause trouble with those 2 components but nothing else. I would be curious to know if it is possible to charge the battery myself and clear the cods with an OBD2 scanner to achieve proper function again as well.
For me, My concern is the battery being so weak in a new car with just 1,300 miles. Why was the battery failing already? And also, if it happens again, what is the reason the battery keeps failing, and if it TRULY is a battery issue, or if the service staff created a temporary solution and didnt actually resolve the core issue with the "Module A" in the ABS brake system, or the steering angle sensor.
Just found a TSB for the 2018 thru 2020 Camry which is similar to the RAV4. Camry would show BOTH the electric parking brake message and the cruise control message. They would set a specific DTC. The repair procedure by dealer requires a software reprogramming. They say nothing about a weak battery causing the issue on a Camry or a new battery curing it.
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@Krosemire - do you have any aftermarket add ons in your car? Any dashcams?
I was thinking about this while driving today. Not sure if it's linked but I have a Comma 2 (aftermarket ADAS/OpenPilot device) installed in my vehicle. That could be a possible lead if there's conflicting inputs confusing the computer. Though in my case I did remove the device entirely and the code persisted even after multiple power cycles.
Also @Tazio Nuvolari - interestingly I did notice a while back that my auto-stop function (turning off the car at red lights) would sometimes not work and say "auto stop unavailable - battery charging"even though it didn't make much sense for it to be in that state because I had just gotten off the highway. This happened a few times and then went away on it's own as the weather warmed up more in Montreal.
Today's a holiday out here so it might be a bit of time before I hear back, but I've preemptively sent off a few emails to make sure I get updated!
I was thinking about this while driving today. Not sure if it's linked but I have a Comma 2 (aftermarket ADAS/OpenPilot device) installed in my vehicle. That could be a possible lead if there's conflicting inputs confusing the computer. Though in my case I did remove the device entirely and the code persisted even after multiple power cycles.
Also @Tazio Nuvolari - interestingly I did notice a while back that my auto-stop function (turning off the car at red lights) would sometimes not work and say "auto stop unavailable - battery charging"even though it didn't make much sense for it to be in that state because I had just gotten off the highway. This happened a few times and then went away on it's own as the weather warmed up more in Montreal.
Today's a holiday out here so it might be a bit of time before I hear back, but I've preemptively sent off a few emails to make sure I get updated!
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Looks like the 2019 - 2020 Avalon's have this issue too:
T-SB-0017-20 Toyota Technical Service Bulletin (tsbsearch.com)
Wow! Looks like there may be a pattern. Interesting that the issue is only now occurring in the 2021 RAV4s and did not happen in the two prior years. However both TSBs for the Camry and Avalon say that the parking brake and cruise control messages must go away "temporarily" when the car is shut off and restarted for the TSB to apply. Neither Ketomojito or Krosemire had this happen. Also Krosemire's work order indicates the tech did NOT find DTC C13BO which is required for the Camry and Avalon TSBs to apply. Hopefully this would mean they had a rare dud, defective battery and not a computer problem that requires reprogramming. If that turns out to be the case when Ketomojito gets his car back from servicing we will know if 2021 owners are likely
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No, I do not have any aftermarket add ons to my vehicle or dashcams.
Now that you mention this "auto stop unavailable - battery charging" message. I have gotten that once before also, but I just kinda disregarded it.... HMM.....
The dud, defective battery scenario is rearing its ugly head. Ketomojito's repair will clarify the issue.
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Yes it is. I will keep an eye on things more closely now, and looking forward to seeing Ketomojito's repair also.
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