LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2005 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Gages, And Console >> Diagnostic Information And Procedures >> DTC P0654 >> Circuit Description

Circuit Description

The powertrain control module (PCM) creates the engine speed signal by pulsing the circuit to ground. The PCM monitors the voltage on the engine speed signal circuit. If the PCM determines that the voltage is not within the normal operating range, the PCM sets a DTC.

scientia non olet · About LEMON Manuals