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  1. C

    O/D off light flashing?

    I got the pcm that went with the engine and transmission they came out of a 2002 E350 ambulance we cleaned the pins to where it would make good contact no retinning necessary at first I was having problems with it dropping down to 2nd gear if I pulled over and pointed the truck uphill and turned...
  2. C

    O/D off light flashing?

    It does the same thing without the chip in it
  3. C

    O/D off light flashing?

    Ok thanks I'll take it and have it scanned again and report back.
  4. C

    O/D off light flashing?

    I just noticed today after driving it for a little bit without the chip in it will start coding/ flashing the overdrive off light I'm not able to scan it because as soon as i get down to 10 mph the overdrive off light stops flashing or while it's flashing if i kick it up in neutral and shut the...
  5. C

    O/D off light flashing?

    The only code I have is P0720 when the chip is plugged in and no codes what so ever with the chip out
  6. C

    O/D off light flashing?

    Ok thanks I have the ELM327 adapter already and forscan I'm guessing I need to reinstall the chip run it then scan for codes and report back Thanks again
  7. C

    O/D off light flashing?

    I know this is an older thread but Hello everyone this my first post to the forum I'm new here and a complete newbie to the diesel engine family hopefully I don't get on anyone's nerves asking to many questions I had a heart attack 3 years ago so some times I don't pick up on things right away...

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