Practice question

A bus develops harsh, late upshifts after a battery was disconnected and reconnected. The MOST likely explanation is:

  1. A bent driveshaft
  2. A worn pinion bearing
  3. Low tire pressure
  4. The transmission adaptive (clutch fill) learn values were reset and must relearn

Answer: D — The transmission adaptive (clutch fill) learn values were reset and must relearn

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