RAM 3500 HD Truck 4WD L6-6.7L DSL Turbo (2008)
Accelerator Pedal Position Sensor: Description and Operation
Operation
OPERATION
The Accelerator Pedal Position Sensor (APPS) provides the Engine Control Module (ECM) with two DC voltage signals which change as the position of
the accelerator pedal changes. One of the DC voltage signals will be half the voltage of the other signal.