Adhesives, Fluids, Lubricants, and Sealers
| Application | Type of Material | GM Part Number | |
|---|---|---|---|
| United States | Canada | ||
| Automatic Transmission Fluid | DEXRON®VI | 88861037 | 19264717 |
Adhesives, Fluids, Lubricants, and Sealers
Transmission Fluid Pressure Switch Logic
| Gear | TFP Switch States | |||
|---|---|---|---|---|
| TFP SW1 | *TFP SW3 | TFP SW4 | TFP SW5 | |
| Park | Low | Low | Low | Low |
| Reverse | Low | Low | Low | Low |
| Neutral | Low | Low | Low | Low |
| Drive 1st - Engine Braking | Low | High | Low | Low |
| Drive 1st | High | High | Low | High |
| Drive 2nd | High | Low | Low | High |
| Drive 3rd | Low | High | Low | High |
| Drive 4th | High | High | Low | Low |
| Drive 5th | Low | High | High | Low |
| Drive 6th | High | Low | High | Low |
| High = 12V (Switch Open or Pressurized) Low = 0V (Switch Closed or No Pressure) Note: All TFP switches are normally closed (NC) *TFP switch 2 does not exist | ||||
Transmission Fluid Pressure Switch Logic