For 1990-2009 cars

#### 1-2 Shift Speed - High or Low

Checks | Cause
--- | ---
Possible Diagnostic Trouble Code Set |

• | Refer to the Shift Speed Chart

• | Check service bulletins

• | Incorrect tooth count on VS Sensor Rotor

• | Wrong PROM

• | Wrong final drive ratio or model

Possible Diagnostic Trouble Code Set |

• | Refer to Shift Seed Chart

• | Wrong PROM

• | Check Service Bulletins

Possible Diagnostic Trouble Code Set |

• | Refer to Shift Speed Chart

• | Check service bulletins