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  #1  
Old 03-28-2015, 12:31 AM
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R01 post update problems. anyone else?

Day after update -10c left house shifted 123 ok. stopped at the corner pulled out into traffic only 1500 rpm had to press the gas pedal down 75% then jumped to 4500 rmp.

over next 3 weeks did it 6 times at temps from -7c to +10c. from cold start to after driving for an hour, at speeds from O to 25. once at 2 km/h pressed gas down as usual to pull out of a parking lot went to 2500 rpm with no increase in speed after 1-2 seconds finally accelerated.

after last incident of having to floor it to accelerate from 1500 and then shoot to 4500 rpm. took to dealer. they say they can't recreate the problem. Suggested they redo the update as everything was fine before then. informed me that once the update is done it can't be redone.

haven't got it back yet but i'm scared to drive it

anyone else with post R01 problems?

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  #2  
Old 03-28-2015, 11:20 AM
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Re: R01 post update problems. anyone else?

I've driven mine over 2,500 miles since the update and have not experienced abnormalities. Shifting smoothly and without incident, just as it did before the update.
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Old 03-28-2015, 11:56 AM
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Re: R01 post update problems. anyone else?

Quote:
Originally Posted by Traveler0980 View Post
I've driven mine over 2,500 miles since the update and have not experienced abnormalities. Shifting smoothly and without incident, just as it did before the update.
Most are reporting R01 problems with 3rd gear hanging on slowdown until almost complete stop. Attempts to accelerate before complete stop won't properly downshift to 2nd with almost stall condition, especially going up an incline.

Why are there such differences in experience with this campaign? Is it the different transmissions, the way the customer drives the car, the software, or the tech not performing the procedure correctly, or some combination of these?

The R01 procedure has so many steps including if-then-else situations. If I were the tech, I'd have to print out the procedure and check off each step including making notes along the way. Any coffee or lunch break or side conversation would kill my train of thought.

There are warnings in the procedure to include:

"NOTE: wiTECH must be used to perform this recall. This procedure must be
performed with software release level 15.02 or higher. If the reprogramming
flash for the Transmission or Powertrain Control Modules is aborted or
interrupted, repeat the procedure."

"CAUTION: Both the PCM and TCM software must be updated during this
procedure. Failure to do so may result in undesirable transmission shift
quality."

"CAUTION: First the TCM must be reprogrammed; second the PCM must be
programmed, third the VIN verification program must be performed, and last
the Proxi Configuration Alignment program must be performed. The
reprogramming process must be done in this order or the transaxle will not
operate.
"

I don't think I will have R01 done. And if I have to, I'll ask if I can attend to read off the steps to the tech and observe the wiTECH responses. Also ride along in car for any required drive steps. And we all know most dealers will not allow that to happen for various reasons.
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Old 03-28-2015, 12:44 PM
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Re: R01 post update problems. anyone else?

Quote:
Originally Posted by Array View Post
I don't think I will have R01 done. And if I have to, I'll ask if I can attend to read off the steps to the tech and observe the wiTECH responses. Also ride along in car for any required drive steps. And we all know most dealers will not allow that to happen for various reasons.

Ditto. I have already made that decision that I am not having R01 done and have a note in my account at my dealership to that effect. BTW, for those who do not know the R01 recall is nothing more than a reissued TSB that most people were ignoring.

My 2014 Cherokee Limited, 3.2L, ADII is an 11/13 build. I have never had any of the TSBs/Flashes done to my transmission. My 9 speed transmission shifts perfectly and I am not about to take a chance in screwing it up. If it is not broken, don't fix it.
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  #5  
Old 03-28-2015, 02:45 PM
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Re: R01 post update problems. anyone else?

Hey thanx for the reply. That almost xplains exactly what is happening when i leave my house. there is an approx. 15% grade when i pull out into traffic. Would u have any links to other threads on this that i could pass on to dealer?

I agree the procedure is way to complicated which makes it ripe for error. my dealer doesn't have a dynamo or what ever its called so they have to go on the road with 2 techs. thanx again

Quote:
Originally Posted by Array View Post
Most are reporting R01 problems with 3rd gear hanging on slowdown until almost complete stop. Attempts to accelerate before complete stop won't properly downshift to 2nd with almost stall condition, especially going up an incline.

Why are there such differences in experience with this campaign? Is it the different transmissions, the way the customer drives the car, the software, or the tech not performing the procedure correctly, or some combination of these?

The R01 procedure has so many steps including if-then-else situations. If I were the tech, I'd have to print out the procedure and check off each step including making notes along the way. Any coffee or lunch break or side conversation would kill my train of thought.

There are warnings in the procedure to include:

"NOTE: wiTECH must be used to perform this recall. This procedure must be
performed with software release level 15.02 or higher. If the reprogramming
flash for the Transmission or Powertrain Control Modules is aborted or
interrupted, repeat the procedure."

"CAUTION: Both the PCM and TCM software must be updated during this
procedure. Failure to do so may result in undesirable transmission shift
quality."

"CAUTION: First the TCM must be reprogrammed; second the PCM must be
programmed, third the VIN verification program must be performed, and last
the Proxi Configuration Alignment program must be performed. The
reprogramming process must be done in this order or the transaxle will not
operate."

I don't think I will have R01 done. And if I have to, I'll ask if I can attend to read off the steps to the tech and observe the wiTECH responses. Also ride along in car for any required drive steps. And we all know most dealers will not allow that to happen for various reasons.
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  #6  
Old 03-28-2015, 03:12 PM
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Re: R01 post update problems. anyone else?

Quote:
Originally Posted by joewho View Post
.... Would u have any links to other threads on this that i could pass on to dealer?
Over here are some --> Downshift from 3rd - 2014 - 2015 Jeep Cherokee Forums.

Good luck making sense of it all. And don't forget to put your paranoia hat on.
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  #7  
Old 03-30-2015, 02:15 PM
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Re: R01 post update problems. anyone else?

Mine is doing the same thing. Coming to like a rolling stop then accelerating vehicle has no power, then you press harder on the pedal and wham, 4500 rpm and it surges. I drove around today playing with the shift lever, and when I would come to a stop the transmission would be in 3rd gear until 3mph and then it would go into 1st. So the update virtually got rid of 2nd gear when downshifting.
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Old 03-30-2015, 02:32 PM
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Re: R01 post update problems. anyone else?

My dealer couldn't recreate the problem. went there this morning so tech could come with me. i made it happen pulling out of the parking lot and only partially once after that.

seems to be the faster you slow down then attempt to speed up the more likely to make it happen. said he was going to call chrysler about it and get back to me.

fyi to anyone reading this. i had a cracked drivers side light lens bout a month ago service guy said not a warranty item. $900 to replace! :O went straight to the 3m people and got all remaining lights done.

spoke to the manager explaining this is supposed to b an off road vehicle have yet to do that but if lens cracks this easy driving around the city gonna b an expensive car! he put in for warranty and found out today chrysler will replace




Quote:
Originally Posted by blk14altitude View Post
Mine is doing the same thing. Coming to like a rolling stop then accelerating vehicle has no power, then you press harder on the pedal and wham, 4500 rpm and it surges. I drove around today playing with the shift lever, and when I would come to a stop the transmission would be in 3rd gear until 3mph and then it would go into 1st. So the update virtually got rid of 2nd gear when downshifting.
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Old 03-31-2015, 08:28 PM
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Re: R01 post update problems. anyone else?

Quote:
Originally Posted by blk14altitude View Post
Mine is doing the same thing. Coming to like a rolling stop then accelerating vehicle has no power, then you press harder on the pedal and wham, 4500 rpm and it surges. I drove around today playing with the shift lever, and when I would come to a stop the transmission would be in 3rd gear until 3mph and then it would go into 1st. So the update virtually got rid of 2nd gear when downshifting.
For what it's worth, we have experienced this issue prior to getting R01 completed. i.e., had it happen last week and only got R01 today. Though our Trailhawk had both the PCM and TCM previously reprogrammed last year.

09/2014: Reprogramming of the Adaptive Cruise Control, Radio Frequency Hub, PCM, and TCM.

03/2015: R01, and R05 (ORM/Airbag Controller Reprogramming)
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Old 04-01-2015, 09:39 AM
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Re: R01 post update problems. anyone else?

Same problem here after the RO1 update. The shifting was generally OK before except two flat spots which I hoped would be solved w/ RO1. Now still have those flat spots, but added the problem of holding 3rd on deceleration then acceleration - when it should have downshifted to 2nd or even 1st. Shows up when turning right of the street into a parking garage with steep up ramp. Hopefully the learning cycle will solve this - or perhaps the next TCM/PCM update. My alternative: use SPORTS mode to enter the garage.

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Old 04-02-2015, 09:45 AM
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Re: R01 post update problems. anyone else?

Quote:
Originally Posted by joewho View Post
Day after update -10c left house shifted 123 ok. stopped at the corner pulled out into traffic only 1500 rpm had to press the gas pedal down 75% then jumped to 4500 rmp.

over next 3 weeks did it 6 times at temps from -7c to +10c. from cold start to after driving for an hour, at speeds from O to 25. once at 2 km/h pressed gas down as usual to pull out of a parking lot went to 2500 rpm with no increase in speed after 1-2 seconds finally accelerated.

after last incident of having to floor it to accelerate from 1500 and then shoot to 4500 rpm. took to dealer. they say they can't recreate the problem. Suggested they redo the update as everything was fine before then. informed me that once the update is done it can't be redone.

haven't got it back yet but i'm scared to drive it

anyone else with post R01 problems?
The "The update can not be redone" is bull from the dealer.
Basically the RO1 update is a complete deletion of all the old PCM and TCM software. It installs a completely fresh copy(s). Thus all your AL is wiped out in the process. Because of this RO1 also requires a AL drive by 2 techs to manually reprogram the clutches and shift points on the ZF.
If this AL drive is not done correctly or not done, "the customer will experience undesirable shifting".
Also the RO1 is a bit complex and must be done in a specific order, sequence or the results will be less than satisfactory.
The dealer gets several hours to do this at a minimum.
My bet there is reduced reimbursement or none for having to redo it correctly.

I am willing to bet it was not done correctly, especially the AL drive.
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  #12  
Old 04-03-2015, 07:45 AM
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Re: R01 post update problems. anyone else?

I am not happy with the pcm/tcm flash in my 14 TH. When i come to a stop it takes at least 3 sec to get into 1st gear and if i dont wait that long it will still be in 3rd gear and if i go sometimes i catch it as its changing from 3rd to 1st and there is a clunk. It shifts a lot faster into higher gear than it did b4 and from a dead stop with normal driving i can be in 4th by 20 mph intown. Now this is in auto mode BUT sports mode is still ok as the shifting is still the same as b4 the flashing. Some1 please chime in with the front wheel drive only jeep if they got the pcm/tcm flash. I am glad i got the transfer case with the sports mode lol. In auto and sports mode at WOT it still shift at 6500 for max power. I guess i will get use to the shifting BUT i may drive in sports mode in town and when i get onto the freeway ill move into auto mode so it will get into 8th gear as sports mode will only get into 6th gear that i have seen so far. They told me the main reason for the tranny flash was the breaking of the snap ring inside the tranny. I really like the cherokee BUT i do miss the SRT 8.
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