ABS light / Parking brake on

Discussion in 'Audio + Electronics' started by jus10inbrla, Mar 22, 2020.

  1. 95C1500

    95C1500 ┌П┐(◣_◢)┌П┐

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    Good point. Didn't think about that.
    It will flash each code 3 times. Code 12 essentially means the system is functioning.
    The cel will flash once, pause, flash twice, pause, flash once, pause flash twice, pause, flash once, pause, flash twice, pause. It repeats the pattern for each code stored.
     
  2. evilunclegrimace

    evilunclegrimace Does not always play well with others

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    That is not for RWAL codes. That is for ECM/PCM codes. The 12 code is flashed on the SES/CEL light. The RWAL codes are flashed on the Brake warning light
     
  3. Hoosierlong90

    Hoosierlong90 Newbie

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    Black tape! Always worked for me
     
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  4. MSCustoms

    MSCustoms Its not just a Truck

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    X2. The code reader that flashes the check engine light crosses different terminals than the RWAL brake light. You may need to disconnect the battery afterwards. Mine kept blinking even after I removed the paper clip
     
  5. df2x4

    df2x4 Domestics only.

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    I learned something today. So A + H for RWAL codes and A + B for PCM codes on the pre-'96 trucks then?
     
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  6. jus10inbrla

    jus10inbrla I'm Awesome

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    Can someone explain counting the blinks to come up with the code ?
     
  7. noahmc88

    noahmc88 Newbie

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    When you insert the paperclip into A and B, the cel will flash once, then twice more (12) and do that 3 times. Then after that it will flash any codes three times in a row and proceed to the next one. For example, code 23 would be "blink blink.. blink blink blink..." The code meaning can be found on the internet or in the obs haynes manual
     
  8. jus10inbrla

    jus10inbrla I'm Awesome

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    Im doing a & h ; i dont have a CEL present. Is it same sequence for blinks

     
  9. evilunclegrimace

    evilunclegrimace Does not always play well with others

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  10. MSCustoms

    MSCustoms Its not just a Truck

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    I dont remember the specific terminals but it is separate ones for CEL and RWAL.
     

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