Transmission issue?

BHAMDOC1973

MEMBER
2015 DODGE GRAND CARAVAN
6 CYL
2WD
AUTOMATIC
156,000 MILES

I know these have common transmission issues. I changed all mounts and the transmission fluid and has gotten better. The only issue is when I am about to come to a full stop I get a bit of a downshift and RPMs show it, something that has to do with torque convertor I think not locking or unlocking. Will something like insta shudder fix take care of such issue?

Monday, September 19th, 2022 AT 5:47 PM

1 Reply

JACOBANDNICKOLAS

MECHANIC
110,176 POSTS

Hi,

You are correct. The torque converter is what allows the vehicle to be stopped and remain in gear. To a degree, you may notice the downshift, but it shouldn't be abrupt. Also, you could try an additive designed to improve shifting, but it may not help.

What really should be done is this. The can-bus should be scanned to see if there are any diagnostic trouble codes stored. CAN stands for controller area network. Basically, all the different computers/modules are tied together via a few wires, and they communicate with each other. This type of scan will identify codes regardless of the module storing them.

Here is a link showing how it's done:

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Let me know if you have already tried having that done. Also, an additive won't hurt. It may be a good idea to try. Just make sure to get a good product.,

Let me know.

Take care,

Joe

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Tuesday, September 20th, 2022 AT 7:19 PM

Transmission issue?

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