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Transmission Does Not Shift

Transmission does not shift

Input shaft (mainshaft) speed sensor defective

Output shaft (countershaft) speed sensor defective

Notes

Check the speed sensor installation.

Notes

Inspect the input shaft (mainshaft) speed sensor corrosion or the output shaft (countershaft) speed sensor corrosion.

Notes

Inspect the input or output shaft speed sensor O-ring for wear and damage.