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New Guy, Service code question

Discussion in 'Member Introductions' started by jedepsub, Nov 27, 2009.

  1. jedepsub

    jedepsub New Member

    I have a 99 Suburban 5.7liter with 173,000 miles on it. The Service Engine Soon light came on, scanned it & 3 codes came up. P1870, P0748 & P0719 Any ideas on what I should do. It shifts hard between 1st & 2nd.

    Thanks
    Jeff
  2. Eddie Z71

    Eddie Z71 Active Member 1000 Posts

    Hi, and welcome to the site!:glasses: Glad to have you here! I hope another member can help you with the codes that you have pulled from the scanner. Good Luck!
  3. Shorty 71

    Shorty 71 New Member ROTM Winner 1000 Posts

    Welcome to the forum!!
  4. jedepsub

    jedepsub New Member

    Thank You for the Welcome!
  5. retired2001

    retired2001 New Member 1000 Posts

    Welcome to the site!
  6. dsfloyd

    dsfloyd New Member ROTM Winner 1000 Posts

    P0719 Torque Converter/Brake Switch B Circuit Low
    P0748 Pressure Control Solenoid Electrical
    P1870 Trouble Code; "Transmission Componet Slippage"


    So they all seem to be transmission issues which would explain the hard shifts. I unfortunately am innexperienced with the transmission stuff. Jimmie is the transmission guru on this site so hopefully he will be able to help you.
  7. canislupis69

    canislupis69 New Member ROTM Winner 1000 Posts

    Welcome to the site!
  8. ct9a

    ct9a New Member 1000 Posts

    Welcome to the site!
  9. GMPartsClub

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  10. s5belford

    s5belford New Member 1000 Posts

    Welcome to the club!

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