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P0721

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P0721 OBD-II Trouble Code: Output Speed Sensor Range/Performance
P0721 code means the transmission control module (TCM) isn't properly converting incoming pulse signals often due too poor, wiring or sensor.

Related questions

Question
I have a 2009 VW Jetta S 2.5L. Why does my car turns on but then it turns off after driving it for a bit/while?
These are the following definitions for the codes you've received: P0864 - Transmission control module (TCM) communication circuit -range/performance problem P0070 - Ambient Air Temperature Sensor - (possibly shorted but most likely not related) P0734 - Gear 4 Incorrect...
Question
Diagnostic code P0721
Hi....the best thing to do is request a diagnostic based on the trouble code, P0721, that you have in hand. Resolve that first as the fault behind the trouble code may account for the shift difficulty you are having. The...

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