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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1706 (Automatic Transmission - 4T45-E - DTC P0973 To DTC P2797) >> DTC P1808 or P1809 (Hybrid) >> Component Testing (Hybrid) >> Normally-Open TFP Switch A:

Normally-Open TFP Switch A:

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

With the TFP switch removed from the transmission test for infinite resistance between the control terminal A and the metal mounting bracket of the TFP switch, and less than 5 ohms of resistance while depressing the switch.