For 1990-2009 cars

#### 1st Gear Range Only - No Upshift

Checks | Causes
--- | ---
Control Valve Body (60) |

• | The 1-2 Shift valve is sticking

• | The spacer plate or gaskets are mispositioned or damaged

Case (103) | The case to valve body face is damaged or is not flat
Shift Solenoid Valves (366/368) |

• | Stuck or damaged

• | Faulty electrical connection

2-4 Servo Assembly (13-28) |

• | The apply passage case is restricted or blocked

• | Nicks or burrs on the servo pin or on the pin bore in the case

• | Fourth servo piston is installed backwards

2-4 Band Assembly (602) |

• | The 2-4 band is worn or damaged

• | The band anchor pin is not engauged