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Thread: P2135 and p0651 help

  1. 04-09-2015 #1
    tybob
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    P2135 and p0651 help

    hi , i just install a new gmpp harness and ecu for a ctsv motor .

    the engine run first time no problem , then after couple rpm revolution i got the engine code p2135 and p0651 ... i try to erase them but the car still run on limp mode ... , i try to replace the throttle body because i read here it could be the problem but i still have no throttle pedal and still run in limp mode ? any idea ?

    thank
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  2. 04-10-2015 #2
    LS3RX7
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    I would pin out the harness and ECU and see if it is right for the TPS connection....
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  3. 04-11-2015 #3
    tybob
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    i have no 5v at my throttle body ? i found a loos ground on the engine from the batterie , i think the engine lost is ground and take the ground from the arness and the ecu conection and burn the ecu driver ? it is possible ?
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