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How do you rest the computer??

Discussion in 'The Garage' started by Bluekrow, Apr 17, 2006.

  1. Bluekrow

    Bluekrow Registered Member

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    Like the title says, How do you rest the computer in newer fuel injected cars and trucks?? I've already had the battery disconnected many times but that don't doit!? Is there a button or switch that rests them?? I'm working on a 95 S15 jimmy with Vortec V6 and 4L60 that I'm having trouble with the fuel injection(starting) and the tranny not shifting right!? Thanks for any help
     
  2. 1985_K5_Silverado

    1985_K5_Silverado 1/2 ton status

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    Rest...do you mean reset the ECM?
     
  3. UofA_Blazer

    UofA_Blazer Guest

    This is how you do it with all the fuel injected cars/trucks I've worked on, I don't see why a blazer/jimmy would be any different. Did you keep it diconnected for over a minute?
     
  4. Slapperbar

    Slapperbar Retired Navy NDT Examiner Premium Member

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    reSET with a big rock, or disconnect for over a min.
     
  5. 1985_K5_Silverado

    1985_K5_Silverado 1/2 ton status

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  6. Thunder

    Thunder 3/4 ton status

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    Well first of all if you have a 4l60. the ECM does not control shifting. Shifts are controled by the governor and TV valve.. The only thing controled by the ECM in a 4l60 is torque convertor lock up.

    Are you sure it is not a 4l60 E ? If so then the ECM does control shifting.

    Hard starting can be caused by a number of things like a bad ignition/coil module, bad fuel pump/ clogged filter. Resetting the ECM will have no effect on those problems.

    To reset the ECM and clear trouble codes just disconnect the batt cable for a few minutes.
     
  7. dyeager535

    dyeager535 1 ton status Premium Member

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    OBD1, just pull the ECM fuse for about 10 seconds.

    I've tested it, thats all the time it takes to clear trouble codes.
     
  8. cbbr

    cbbr 1 ton status GMOTM Winner

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    First, you have to get it a drink of water. Then read it a night night story.....[​IMG] :D
     
  9. sled_dog

    sled_dog 1 ton status

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    ECM could be the culprit but it is the least likely of about 2000 possible problems... ok that was an exageration but still.

    I'd be thinking more like ECT or TPS way before ECM. Especially TPS if the trans isn't happy(95 IS a 4l60e)
     

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