2009 Town and Country 3.3 only idles no throttle



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Thread: 2009 Town and Country 3.3 only idles no throttle

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    2009 Town and Country 3.3 only idles no throttle

    so my sister has a 2009 Town and Country minivan with the 3.3 liter. she was having battery issues and then it wouldn't start. Wiggle around the battery connection a little bit and it finally started. Drove down the street and died on her. now when you start it, it only idles with zero throttle response. I replaced the full throttle body and TPS unit from a salvage yard. At first there was no check engine light but now there's a p0123 code. no change in throttle response even with the new tps unit. Really stumped and not know which way to go. I know if possibly be the PCM or the actual pedal. Anyone else have any knowledge of how to fix this?

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    Does this throttle body have a cable to work the throttle plates? If not, then you'll have to get the t/body and the car to a shop that can perform the electronic throttle control calibration routine.

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    No this is a dbw. So because it came off another vehicle it has to be programmed? If I manually open the buterfly the it revs up a bit. Thanks.

    Ps. To give you some background, I used to own a shop and previously was a chevy tech.

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    The throttle body has a unique identifier that the PCM uses to make sure that everything is as it was the last time it ran. If you switch it with another, the calibration must be run to let the PCM and the APP know the proper angle and sweep of the plates.

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    Gotcha. So no throttle until its relearned then. Thanks so much.

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    ******** We took the time to answer your post. Please give us some time and post the fix. You'll help hundreds. ********

    **** Follow all prescribed safety procedures before attempting any repairs. If in doubt, refer to a maintenance manual. ****

    96 Gr Caravan LE 3.8, 208K miles
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    Quote Originally Posted by ronnie View Post
    so my sister has a 2009 Town and Country minivan with the 3.3 liter. she was having battery issues and then it wouldn't start. Wiggle around the battery connection a little bit and it finally started. Drove down the street and died on her. now when you start it, it only idles with zero throttle response. I replaced the full throttle body and TPS unit from a salvage yard. At first there was no check engine light but now there's a p0123 code. no change in throttle response even with the new tps unit. Really stumped and not know which way to go. I know if possibly be the PCM or the actual pedal. Anyone else have any knowledge of how to fix this?
    Lower battery voltage can cause many strange things to happen. Have you tried leaving the battery disconnected for a few minutes to see if it changes anything? Have you had the battery tested?
    2013 TC Limited Black/Graystone Custom ordered 5/13
    Luxury non Stow & Go buckets.Blu ray player and Tow. Driven to 26 states so far. Mainly our vacation/road trip ride.
    1994 Grand Caravan SE Sport, 3.3L, 335,000+ miles and counting. Original engine and trans. Bought it new and have driven it to 48 states. My daily driver.

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    The relearn trick you told me to try Rip didnt work. Havent had the battery tested but even on a jump theres nothing.

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    If you’re having to jump it you’re not keeping enough voltage in the system for it to keep its learned throttle parameters when the engine is off.
    Might want to test/replace the battery.
    Are you still setting the P0123 TPS code? Have you run any of the trouble tree chart for this code?
    Or reinstall the old TB and a new battery to see what happens?
    2013 TC Limited Black/Graystone Custom ordered 5/13
    Luxury non Stow & Go buckets.Blu ray player and Tow. Driven to 26 states so far. Mainly our vacation/road trip ride.
    1994 Grand Caravan SE Sport, 3.3L, 335,000+ miles and counting. Original engine and trans. Bought it new and have driven it to 48 states. My daily driver.

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    Quote Originally Posted by 1994 Sport View Post
    If you’re having to jump it you’re not keeping enough voltage in the system for it to keep its learned throttle parameters when the engine is off.
    This is not correct... Once the throttle data, (ETC), is learned it will stay learned through a battery disconnect.

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