ENGINE CONTROL MODULE LOCATION
Note. Engine Control Module (ECM) may also be referred to as Cummins Controller.
ECM is located on driver's side of engine, just in front of fuel transfer pump and contains a 50-pin connector. (Scheme 41) When battery is disconnected, ECM is disconnected or replaced, or Accelerator Pedal Position Sensor (APPS) has been disconnected or replaced, ECM must be programmed to match the APPS. For ECM programming, see ENGINE CONTROL MODULE under PROGRAMMING.
Scheme 41
POWERTRAIN CONTROL MODULE LOCATION
Powertrain Control Module (PCM) is located at passenger's side rear corner of engine compartment. (Scheme 42) If replacing PCM, PCM must be properly programmed. See POWERTRAIN CONTROL MODULE under PROGRAMMING.
