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P0120 - TPS1 Range Error

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Old 09-03-2010, 07:47 AM
bstein1994 bstein1994 is offline
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Unhappy P0120 - TPS1 Range Error

I recently installed a Power Commander III on my 08 Ultra Classic. Seemed to run well for a while, then I go some backfires and a stall. I pulled it off and it seems to be OK. I did have a historical error code P0120 - TPS1 Range Error. Can anyone translate that into English for me?

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Old 09-03-2010, 08:19 AM
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petemac petemac is offline
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This is what it means....looks like a throttle by wire problem. If you clear the code do you still get it with the PC removed?

DTC: P0120
FAULT CONDITION: Throttle position sensor 1 range error
SOLUTION: 6.6 DTC P0120,P0122,P0123,P0220,P0222,P0223
2006 Road King Classic
Vivid Black
95" with heads ported by Big Boyz
V&H True Duals and Ovals
SE hydraulic tensioner upgrade
Andrews 26 cams, SERT
PGR # 83844
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Old 09-03-2010, 08:54 AM
bstein1994 bstein1994 is offline
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Thanks for the information. I just cleared it and will test it out today. Thanks again.'
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