Transmission not shifting into second gear and code P0732

Tiny
BLESSING EWOBOR
  • MEMBER
  • 2002 HYUNDAI SONATA
  • 2WD
  • AUTOMATIC
  • 243,255 MILES
The vehicle has been behaving strange, when it is accelerating, it found it difficult to exceed gear 2, whenever is exceed gear 2 to 3, after few seconds it will drop back to 2 and the engine speed will be increasing but not providing good Vehicle speed, at the initial stage there was no codes on its memory but later found P0732. What could be the cause? Can any test be done to know the cause?
Wednesday, September 29th, 2021 AT 6:27 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

The code could indicate a few different things. For example, it could be a faulty input or output speed sensor or even need to be overhauled.

I attached the diagnostics below. Make sure this is the only code present. If other codes are set, they may need attention prior to focusing on the P0732.

Let me know if this helps.

Take care,

Joe

See pic below.
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Wednesday, September 29th, 2021 AT 8:28 PM
Tiny
BLESSING EWOBOR
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  • 671 POSTS
There was no codes initially, the code came up when engaging the gear manually.
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Thursday, September 30th, 2021 AT 6:45 PM
Tiny
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  • 671 POSTS
Good morning sir, how will someone know if the waveform is correct?
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Thursday, September 30th, 2021 AT 6:50 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

My manual doesn't show the waveform. Do me a favor. Check the connection at both the input and output speed sensor. Using you live data scanner, see if there is a signal from both.

See pic 1 for sensor location.

Joe

See pic below.
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Thursday, September 30th, 2021 AT 7:05 PM
Tiny
BLESSING EWOBOR
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  • 671 POSTS
Okay, sir. Thank you sir.
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Friday, October 1st, 2021 AT 7:18 PM

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