Engine Identification QSB4.5 and QSB6.7 Page E-6 Section E - Engine and System Identification ECM Dataplate The electronic control module (ECM) dataplate shows information about the ECM and how the ECM was programmed. The dataplate is located on the ECM. The following information is available on the ECM dataplate: ECM part number (PN) ECM serial number (SN) ECM date code (DC) Engine serial number (ESN) ECM code: Identifies the software in the ECM. NOTE: Have the ECM code for the engine available when communicating with a Cummins® Authorized Repair Location. NOTE: The presence of an ECM dataplate depends on the manufacturing plant and the date the engine was manufactured.
If an ECM dataplate was not installed by the manufacturing plant, calibraton data can be found on the engine dataplate.