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2007 Hyundai Tucson aautomatic gearbox problem

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Old Jan 15, 2023 | 01:57 PM
  #1  
PaulMinnie's Avatar
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Default 2007 Hyundai Tucson aautomatic gearbox problem

Good day,
I have a 2007 Tucson automatic with a gearbox problem.

It goes into "limp" mode every now and then, took it for diagnostic and was told that the gearbox speed sensor is picking up a slip in the gearbox. The problem is that it is not constant and does not make a difference if I drive fast or slow and if the road is flat or uphill.
Could it be that the sensor is faulty or is it just the gearbox. Sometimes it is at 2 km and amd other times at 34 km or even after 200 km.
Please can you assist?
 
Old Jan 15, 2023 | 02:20 PM
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When was the last trans service?
 
Old Jan 16, 2023 | 12:45 AM
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PaulMinnie's Avatar
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The transmission was serviced about 400 km back including a full oil change.
I have noticed this morning that it seems when the transmission is cold it is not a problem but starts to shift harder at pull away when the transmission is hot. Might be contributing to the problem. Oil in Transmission is Dexron VI.
 
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