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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System - 4.3L (DTC P0601 To DTC P2A04)) >> Diagnosis >> DTC P1121 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The PCM detects that the TP sensor voltage is intermittently more than 4.9 volts.