Practice question

A school bus Allison illuminates the CHECK TRANS lamp and a turbine speed sensor 'no signal' DTC is set. The MOST likely effect on operation is:

  1. Default shift strategy with reduced shift quality until the fault is repaired
  2. Improved fuel economy
  3. Total loss of engine power
  4. Permanent reverse lockout with no other effect

Answer: A — Default shift strategy with reduced shift quality until the fault is repaired

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