RAM 3500 HD Truck 2WD L6-6.7L DSL Turbo (2008)
Sensor Return
SENSOR RETURN
The Sensor Return circuits are internal to the Powertrain Control Module (PCM).
Sensor Return provides a low-noise ground reference for all engine control system sensors.
Dodge Workshop Service and Repair Manuals
Engine Control Module (ECM) - Diesel|Page 536 >
< Engine Control Module (ECM) - Diesel|Page 534
Page 5
