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Wiring diagrams Section: Testing & Diagnostics

Engine Controls - 3.5L - Introduction (1 of 2)

Engine Controls - 3.9L - Introduction (1 of 2)

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P0220 Chevrolet Uplander I

Testing & Diagnostics

The ECM detects that TP sensor 2 voltage is less than 0.35 volt or more than 4.59 volts for more than 0.5 second.