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DTC P0560: SYSTEM VOLTAGE Chevrolet Venture I

Testing & Diagnostics

Note. For circuit reference, see WIRING DIAGRAMS article.

Circuit Description

PCM monitors system voltage on PCM ignition feed circuit. If system voltage is out of range, DTC will set.

Conditions required to set DTC are

Engine is running.
System voltage monitored at PCM ignition feed circuit is less than 9 or greater than 18 volts.
Conditions present for longer than 25 seconds.