[amidgeha]

Gear 6 Incorrect Ratio

This malfunction is detected when the A/T does not shift into 6GR position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc.

Cause:
Low transmission fluid level
Shift solenoid mechanical fault
Hydraulic circuit fault
Transmission failure

Symptoms:
Check engine light
Transmission will not shift into 6th gear