TUBE AS 1447504 - Caterpillar

(4CS) ExcavatorsDescription of Change: A new electronic control group and a new electronic software group are used in the electronics group on the 3508B (2GR) Engines in these excavators. The new electronic software group includes the following improvements: * Functional user defined shutdown.* Corrected hydraulic temperature derate strategy.* Eliminated 800-09 codes that were logged during the engine startup cranking cycle.* Corrected display of hydraulic oil temperature on the ET.* Changed the digital sensor supply CID to 263.Adaptable To: The new 159-5221 Electronic Software Group and the new 159-5222 Electronic Control Group replace the former 146-5703 Electronic Software Group and the former 146-5704 Electronic Control Group in the 141-6731 Electronic Group. These changes are effective with 5130B (4CS) Excavators powered by 3508B (2GR1443-Up) Engines.