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2003 Frontier will not go in reverse. Shows a P0720 code.

2003 Frontier will not...

2003 Frontier will not go in reverse. Shows a P0720 code

Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it?

Po720. how do you reset it?

Mechanic's Assistant: Are you fixing your Frontier yourself? What have you tried so far?

Yes, we are fixing it ourselves. changed transmission filter and fluids

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

All other gears work fine

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Answered in 4 minutes by:
11/17/2017
Jay
Jay, Nissan Technician
Category: Nissan
Satisfied Customers: 21,514
Experience: 20+yrs experience with Nissan & Infiniti Trained & Certified.Currently still working for Dealer
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Hello my name is ***** ***** thank you for your question

If the transmission will not go into reverse, and fluid level is good. This is a mechanical issue with in the transmission. The P0720, that code is Revolution sensor code which detects the revolution of the output shaft and generates a pulse signal that is sent to the TCM which then takes that signal and converts it to Vehicle Speed. So this code will not cause your issue I am afraid

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So I hate to say it. This is issue is most likely caused by a internal failure in the transmission which would require it to be removed and opened up to determine cause of failure.

Jay
Jay, Nissan Technician
Category: Nissan
Satisfied Customers: 21,514
Experience: 20+yrs experience with Nissan & Infiniti Trained & Certified.Currently still working for Dealer
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Customer reply replied 6 months ago
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