Home/Chevrolet/Venture/Chevrolet Venture I (1996-2005)/Repair manual/Testing & Diagnostics/DTC P1635: 5-VOLT REFERENCE "A" CIRCUIT

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DTC P1635: 5-VOLT REFERENCE "A" CIRCUIT Chevrolet Venture I

Testing & Diagnostics

Note. For circuit reference, see WIRING DIAGRAMS article.

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.