Question about 1999 Chevrolet Astro

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1999 Chevy Astro P01870 code

P01870 code

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  • alb060767 May 01, 2010

    I am sorry. It is a P1870. I looked it up and it said it could be a short circuit to batter for the AWD or a TFP valve position switch malfunction. We checked and it is not a short circuit.

    Thank you!

  • yadayada
    yadayada May 11, 2010

    suggest a trip to a shop with a qualified tech to diagnose this code, you seem losted.

  • yadayada
    yadayada May 11, 2010

    please recheck this P01870 is not a valid code, to many numbers, the codes have 4 numbers

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The P1870 DTC code is trans-axle component slipping. In most cases you can replace the transmission control solenoid and it should solve the issue. These solenoids are known to kick this code. Also I would recommend doing a transmission service.

Posted on Dec 30, 2010

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