GENERATOR 4L6277 - Caterpillar

Table 1
New Part Number Description Former Part Number(1)
552-1696 Machine Software Gp 508-8565
(1) The former part number listed is for reference only and may differ.Note: The new software is available in the form of a flash file through the Caterpillar Service Information System (SIS). Go to SIS web to make sure that the new flash file part number is still the latest flash file part number. A newer flash file part number may be available. SIS only displays the latest available flash file.The new software has varying improvements that are listed below:
Updated to add emergency shutdown installation status.
Once the "Emergency Shutdown Installation Status" is installed, the below parameters will be available for configuration: - Emergency shutdown operator horn control enable status. - Emergency shutdown operator horn activation duration. - Emergency shutdown accumulator bleed enable status.
Updated cooling fan control strategy. - Maximum temperature will drive fan speed instead of the system priority-based method.
Updated Traction Control System (TCS) spin ratio activation. - Eliminated excessive TCS activation during normal driving conditions.
Updated Seat Belt Event actuation conditions. - Eliminated nuisance events during key-on sequence.
Updated logic for logged diagnostics during key-on sequence. - Eliminated incrementing of logged diagnostics during key-on cycle.
Updated VIMS communication diagnostic at key-on sequence. - Eliminated nuisance diagnostics during key-on sequence.