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Ses light

This is a discussion on Ses light within the General Help forums, part of the LSx Technical Help Section category; Went to scan my car today and i got this code P0702 witch means transaxle actuator lost power. What is ...

  1. #1
    REAPER Z28 reaper ws6's Avatar
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    Ses light

    Went to scan my car today and i got this code P0702 witch means transaxle actuator lost power. What is a transaxle actuator and what does it do? also what can be causing this problem?

    also my interior lights pulse could it be related?

  2. #2
    Electrical Engineer KMdef9's Avatar
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    Think it's something to do with the transmission, not positive.

    An A4 I'm assuming?

    Is it shifting ok?

  3. #3
    Electrical Engineer KMdef9's Avatar
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    Googled from a Saturn site (I assume to be similair since they're GM):

    "The transaxle is a fully automatic unit consisting of four multiple disc clutches, a four element torque converter with a lock up clutch, 1st gear sprag clutch, and a servo actuated dog clutch.

    The most significant departure from the traditional automatic transaxle comes from the use of electronic controls. This unit utilizes five electrohydraulic actuators in conjunction with a powertrain control module (PCM) and its sensors to control shift timing, shift feel and provide on-board diagnostics.

    The transaxle control actuators are electrohydraulic solenoid valves consisting of a housing, valve body, sliding armature and electromagnetic coil.

    The actuators are located in the transaxle valve body."


    I assume time, faulty parts, used fluid, etc is the likely cause of this.

    As far as fix for this, I am no transmission expert, so I got no help.

  4. #4
    REAPER Z28 reaper ws6's Avatar
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    well is a M-6 car still drives good and shift's good, the only thing is wen i shift and the rpm's are like at 15k the car kinda bucks like if im not giving enough throttle and sometimes wen im like in 3rd around 2k rpm's and i let of the gas it engine breaks really hard but then it stops and goes back to normal.

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    Smiles for 9.5 Years cammed goat's Avatar
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    I don't know if it is the equivalent to a vehicle speed sensor. If it is, then it could be shorted out.

  6. #6
    Member DaddySS's Avatar
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    Can yolu verify the code - you should not get a 0702 code with an M6. 0702 is transmission control - electrical - and an M6 doesn't have it.

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