Santa Fe L4-2.4L (2001)
Confirm the TCM adjusts the solenoid duty during the 3-4 upshift as shown:
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If so, go to "DIAGNOSIS".
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If not, replace the TCM.
DIAGNOSIS:
Toggle the left and right keys to measure the start and end of each shift, then subtract the two numbers. If any shift requires more than 2.0 seconds, swap
a TCM from a properly operating vehicle:
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If the condition is improved, replace the TCM.
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If the condition is not improved:
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Check the oil temperature sensor according to TSB # 00-40-010.
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Compare the vehicle with another vehicle of the same year and model. If the shift quality condition is more noticeable than for other vehicles,
replace the transaxle.
WARRANTY INFORMATION - (PCM/TCM DIAGNOSIS):
