Jerk/jolt/clunk when coming to a stop
11-23-15, 06:36 AM
#46
Driver School Candidate
Jerking when slowing down
Thanks for the respond, once in a while when I use the manual shifting going up-and-down with gears I get a check engine light check the code comes out to be P0756 which is solenoid B there calling S2 what kind of problem am i looking at now
11-25-15, 05:17 PM
#47
Just got back from dealership and did the engine and transmission ECU flash to the latest program versions.
Experienced one clunk as I was leaving the dealership, but have not experienced one since. Drove around my neighborhood at 35 mph and slower, coasted, slowed to a stop, and its all super smooth. Engine braking works fine, downshifting works fine, and NO CLUNK!
After 5 rounds of transmission fluid changes, this has been the fix i was looking for. Best $147 dollars spent at the dealership.
Experienced one clunk as I was leaving the dealership, but have not experienced one since. Drove around my neighborhood at 35 mph and slower, coasted, slowed to a stop, and its all super smooth. Engine braking works fine, downshifting works fine, and NO CLUNK!
After 5 rounds of transmission fluid changes, this has been the fix i was looking for. Best $147 dollars spent at the dealership.
Last edited by monkeyRX; 11-26-15 at 09:05 AM.
11-26-15, 10:38 AM
#48
Just got back from dealership and did the engine and transmission ECU flash to the latest program versions.
Experienced one clunk as I was leaving the dealership, but have not experienced one since. Drove around my neighborhood at 35 mph and slower, coasted, slowed to a stop, and its all super smooth. Engine braking works fine, downshifting works fine, and NO CLUNK!
After 5 rounds of transmission fluid changes, this has been the fix i was looking for. Best $147 dollars spent at the dealership.
Experienced one clunk as I was leaving the dealership, but have not experienced one since. Drove around my neighborhood at 35 mph and slower, coasted, slowed to a stop, and its all super smooth. Engine braking works fine, downshifting works fine, and NO CLUNK!
After 5 rounds of transmission fluid changes, this has been the fix i was looking for. Best $147 dollars spent at the dealership.
12-15-15, 03:03 PM
#49
Driver School Candidate
Trans problem
Hello again just want check with you again about the shifting how is yout vehicle doing any problem with shifting i called thr dealer took the car there they told me we can not reflash the ecm because its to the latest software and the service writer was telling me that its not the ecm. Now canni get a used ecm and install it what chances am i taking here need help please thank you
12-19-15, 07:35 PM
#50
Hello again just want check with you again about the shifting how is yout vehicle doing any problem with shifting i called thr dealer took the car there they told me we can not reflash the ecm because its to the latest software and the service writer was telling me that its not the ecm. Now canni get a used ecm and install it what chances am i taking here need help please thank you
09-14-16, 08:24 PM
#55
Driver School Candidate
Join Date: Mar 2010
Location: brunei
Posts: 10
Likes: 0
Received 0 Likes
on
0 Posts
My dealership just back to me on the jerking problem. they qouted me a bill of 12k USD. 6k was just for the ECU and the rest for full servicing of the transmission. I see this as an extortion. Is there a site where i can check the official price for original parts or even a site where i can complain this.
for those who have replaced their ecu from their dealer, how much was it exactly?
for those who have replaced their ecu from their dealer, how much was it exactly?
09-16-16, 11:22 AM
#56
My dealership just back to me on the jerking problem. they qouted me a bill of 12k USD. 6k was just for the ECU and the rest for full servicing of the transmission. I see this as an extortion. Is there a site where i can check the official price for original parts or even a site where i can complain this.
for those who have replaced their ecu from their dealer, how much was it exactly?
for those who have replaced their ecu from their dealer, how much was it exactly?
To look up prices, you can use lexuspartsnow.com
Good luck!
09-27-16, 12:35 PM
#57
Driver School Candidate
Join Date: Sep 2016
Location: CA
Posts: 1
Likes: 0
Received 0 Likes
on
0 Posts
Swapped out the ECU and remarry the replacement ECU with the car's immobilizer seemed to fixed my car's harsh downshift 2nd to 1st and jerking when coming to a stop...my car is now driving like a real Lexus again 
. Thanks all for your inputs and advice.
. Thanks all for your inputs and advice.
11-10-16, 08:51 AM
#58
Driver School Candidate
Join Date: Nov 2016
Location: CA
Posts: 1
Likes: 0
Received 0 Likes
on
0 Posts
Did you buy a used ECU? Who replaced and remarried it? I found a used one with the same part # and have a mechanic who says he can reprogram it.
12-30-16, 06:20 PM
#60
I thought my car was cursed but it just seems like all of our cars are cursed not only with this but the dreaded carbon build up amongst others.
Its silly how Lexus can't even diagnose their own problem, I wonder how many people in the US got ripped off by the dealer saying they must change the transmission only having to be something much cheaper in the end.
Anyway, I guess I have to look for someone to get me an ECU and install it. I may try Lexus customer care first and see what they can do.
My transmission jerk (coming to a stop under 10mph) just started happening recently I believe, I'm at about 103k miles.
Its silly how Lexus can't even diagnose their own problem, I wonder how many people in the US got ripped off by the dealer saying they must change the transmission only having to be something much cheaper in the end.
Anyway, I guess I have to look for someone to get me an ECU and install it. I may try Lexus customer care first and see what they can do.
My transmission jerk (coming to a stop under 10mph) just started happening recently I believe, I'm at about 103k miles.