TCM transmission control module 05 HCH
2005 HCH tranny was slipping and yesterday when I stepped on the gas, there was no engagement whatsoever.
wondering if this could be as simple as replacing the TCM?? |
Re: TCM transmission control module 05 HCH
Unlikely. HCH CVT is a belt drive. Zero engagement generally means broken belt, clutch failure, or extremely low CVT fluid. A failed TCM would produce error codes.
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Re: TCM transmission control module 05 HCH
thanks
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Re: TCM transmission control module 05 HCH
Originally Posted by S Keith
(Post 267310)
Unlikely. HCH CVT is a belt drive. Zero engagement generally means broken belt, clutch failure, or extremely low CVT fluid. A failed TCM would produce error codes.
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Re: TCM transmission control module 05 HCH
1) going like 30-40mph and let off the gas and there would be a slip in the transmission
2) later the Check Engine Light came on 3) then step on gas and no power what-so-ever 4) AAA tow to shop 5) shop to read code 6) shop to put shorter serpentine belt to bypass AC compressor......this is a separate issue as the shaft on the compressor was not straight and clutch was not engaging 7) plan was to use this dead vehicle basically as a battery charger for the good IMA battery that is already installed in the car 8) retirement community will not allow dead car to be stored in garage ,,,,rules 9) would like to keep this good IMA battery, but don't know how to store it properly outside the car. |
Re: TCM transmission control module 05 HCH
Purchase:
Fashion AC plug for PSU input. Remove battery from car. Put on shelf. Prior to installation:
Allow car to idle for 5 minutes before you attempt to drive. On your first drive, try to avoid regenerative braking by putting the car in "N" when coming to a stop (BEFORE hitting the brakes or using engine braking). Once you see the SoC gauge move up or down, you may drive normally. |
Re: TCM transmission control module 05 HCH
remove IMA from car
remove computer unit from car put both on shelf should they be vacuum sealed or something like that ?? |
Re: TCM transmission control module 05 HCH
Battery lives its life NOT vacuum sealed in the car. No need to change that.
Place a plastic trashbag over the pack to protect from dust if you really want to. No need to take computer out unless you just want to. |
Re: TCM transmission control module 05 HCH
put IMA & computer on shelf with plastic trashbag covering them
30 days later - do the prior to installation steps put both back on shelf 30 days later - do the prior to installation steps put both back on shelf ima light comes on from vehicle then proceed with prior install steps and install pack in car |
Re: TCM transmission control module 05 HCH
No. Steps exactly as I laid out. Different rules when pack is out of car. Packs can actually benefit from extended self-discharge; however, that creates big problems when pack is in car. When you can charge it manually, no need to do it more than once - prior to installation.
Again, computer not necessary, but useful as a spare. |
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