For 1990-2009 cars

Checks | Cause
--- | ---
DEFINITION: The transmission only provides first and fourth gear in Drive range. The shift pattern as the vehicle accelerates from a stop is 1-1-4-4. First gear ratio is 2.921:1 and fourth gear ratio is 0.705:1.
Control Valve Body Assembly |

• | A faulty 1-2, 3-4 shift solenoid valve assembly (315A) is stuck On.

• | Debris is found in the control valve body (301) or the control valve body spacer plate and gasket assembly (396)