Can't clear codes
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5th Gear
Joined: Jan 2024
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Can't clear codes
I replaced the instrument cluster after failing to fix original. I learned about how to program PCM, cluster and keys - I actually purchased a rebuilt PCM (programmed for my 2004 F150) - it didn't work as well as my original PCM so it's back in there. I kept getting numerous codes through my OBD reader and Forscan. I drove the car for over 500 miles to try to "re-program" my PCM. The truck drives "OK" but every time I clear the codes - they return.. Through Forscan I see the following codes: (OBDII _ P0135, PO141, PO155, P0161, P0340, P0403, P0446 --- PCM P0340, P2006 ,P0443, P0446, P1000, P0135, P0141, P0155, P0161, P0403 AND GEM B1302, B1398, B1428, P0500. Any thoughts/recommendations on how to clear codes??? THANKS
Bob
Bob
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Joined: Jan 2004
Posts: 19,760
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From: St Louis
First, find and replace the blown fuse. Probably F32 under the dash. If it continues to blow, you'll need to find the short circuit and repair it. O2 sensor wires on the exhaust is a pretty common cause.
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