DTC 2112: Unable to reach higher TPS [Archive]

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SupraSunsport

07-04-2017, 08:54 PM

Hi everyone, I have a 2013 Supra with the LS3 motor. Today we were out and the boat wouldn't go above 9 mph and an error message popped up saying "DTC 2112: Unable to reach higher TPS". Also, when I put it in neutral the engine surges and idles around 1200-15000 RPM. Any idea what this could be? The boat only has 135 hours on it...

Thanks in advance,
Brent

michael hunter

07-05-2017, 06:26 AM

Sounds like a problem with the throttle position sensor. They are the same as a GM truck you should be able to Google testing info on line.