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Nfb: Code help

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  • #1

    Nfb: Code help

    My wife's 02 Suburban is acting "wierd". The other day the battery light comes on, then the check engine light. Then the airbag light....then all of the needles drop to 0. It drives ok but does not seem to want to down shift - if you give it a lot of throttle it does not get up and go like it is supposed to. I scanned it and here were the codes:

    P0785 - Shift/Timing Solenoid Malfunction

    P0758 - Shift Solenoid B Circuit Electrical

    P0740 - TCC Circuit Malfunction

    Seem to have to do with a shift solenoid? Any ideas?
    Silver 02 WS-6, 6 speed, Corsa cat-back, SLP lid, K&N filter, BMR STB, !CAGs, Lou's short stick, MSD wires, MTI "Hammer" cam, ASP underdrive pulley, Hooker LTs, Hooker ORY, Comp 918s, TR pushrods, UMI Sfcs, UMI LCAs, NGK TR55s, Hotchkis springs



    Dyno'd 4/24: 330.9 RWHP/ 344.8 RWTQ (Before cam, headers, and pulley)

    Dyno'd 5/1: 383.5 RWHP / 380.5 RWTQ (393 actual RWHP)
    Tags: None
  • #2
    See if you can find something here.
    http://www.obdii.com/
    2002 Electron Blue Vette, 1SC, FE3/Z51, G92 3.15 gears, 308.9 RWHP 321.7 RWTQ (before any mods), SLP headers, Z06 exhaust, MSD Ignition Wires, AC Delco Iridium Spark Plugs, 160 t-stat, lots of ECM tuning

    1995 Z28, many mods, SOLD

    A proud member of the "F-Body Dirty Dozen"

    Comment

    • #3
      Looks like this guy has the same prob.....no fix yet though!

      http://www.obdii.com/ubb/Forum1/HTML/002465.html
      Silver 02 WS-6, 6 speed, Corsa cat-back, SLP lid, K&N filter, BMR STB, !CAGs, Lou's short stick, MSD wires, MTI "Hammer" cam, ASP underdrive pulley, Hooker LTs, Hooker ORY, Comp 918s, TR pushrods, UMI Sfcs, UMI LCAs, NGK TR55s, Hotchkis springs



      Dyno'd 4/24: 330.9 RWHP/ 344.8 RWTQ (Before cam, headers, and pulley)

      Dyno'd 5/1: 383.5 RWHP / 380.5 RWTQ (393 actual RWHP)

      Comment

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