Transmission Fluid Pressure Switch Logic
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
| Gear | TFP SW 1 | *TFP SW 3 | TFP SW 4 | TFP SW 5 |
|---|---|---|---|---|
| M1 (48 km/h (30 mph)) | Low | Low | Low | High |
| M2 (48 km/h (30 mph)) | Low | Low | Low | High |
| M3 (48 km/h (30 mph)) | Low | Low | Low | Low |
| M4 (48 km/h (30 mph)) | High | High | High | High |
| Power OFF | Low | Low | Low | Low |
| High = 12V (Switch Open or Pressurized) Low = 0 volts (Switch Closed or No Pressure) Note: All TFP switches are normally closed (NC) *TFP switch 2 does not exist |
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