For 1990-2009 cars

#### Second Gear Start

Checks | Causes
--- | ---
Signal Noise on Vehicle Speed Sensor (VSS) Circuit | Chassis vibrations, incorrect harness routing, owner installed electronic components creating electrical interference.
Diagnostic Trouble Code (DTC) |

• | Electrical or mechanical 1-2 Shift Solenoid Valve (367) malfunction.

• | Sediment in the valve body may cause improper transmission fluid pressure (TFP) operation.

Leaking Actuator Feed Limit (AFL) Circuit | Spacer plate (48), spacer plate gaskets (47 or 52), control valve body (60), mispositioned, damaged or poor sealing/mating surface exist.
Blocked or restricted Valve Body Spacer Plate (48) Spacer Plate to Case Gasket (47) or Spacer Plate to Valve Body Gasket (52) | Trapped sediment or metal particles.
Stuck 1-2 Shift Valve (366) |

• | Trapped sediment or metal particles.

• | Binding shift valve or worn valve body bore.

TFP manual valve position switch (69) | TFP manual valve position switch (69) erratic operation.