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Home >> Chevrolet >> 2000 >> Venture Base, Van Cargo Extended >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics >> Diagnostic Tests >> DTC P1635: 5-Volt Reference "A" Circuit >> Circuit Description

Circuit Description

Powertrain Control Module (PCM) monitors 5-volt reference "A" circuit to TP, MAP and EGR position sensor.

DTC will set when PCM detects a voltage out of range/tolerance on the 5-volt reference circuit and condition is present longer than 10 seconds.

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