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  1. J

    4l80e P1870

    I have a 1996 c3500 dually with 5.7/4l80e I have code “p1870 transmission component slipping” which causes the trans to go into limp mode and I lose OD and tcc lockup I have replaced the valve body with all solenoids I have replaced input and output speed sensors and even torque converter with...
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