BOLT 8J2935 - Caterpillar

Electric Power Generation: 3512B GENSET (S/N: ZAH1-UP)Engine: 3512B (S/N: CMC1-UP; LDE186-UP; LDF1-UP; PTF1-UP; PTM1-UP; YAM1-UP; 4AW1890-UP; 6GW1-UP; YAY1-UP) 3512C (S/N: LDJ170-UP; LLK144-UP; RMS1-UP; LLT107-UP; WF3164-UP; WF51-UP) G3508 (S/N: WPN1-UP; DLR128-UP) G3508B (S/N: RBK1-UP) G3512 (S/N: WPP1-UP; WPR1-UP; GNS112-UP) G3512B (S/N: JHH1-UP) G3516 (S/N: WPS240-UP; WPT1-UP; WPW1-UP) G3516B (S/N: JEF1-UP) G3520B (S/N: GLF1-UP) G3606 (S/N: 4ZS1-UP) G3608 (S/N: BEN1-UP) G3612 (S/N: BKE1-UP) G3616 (S/N: BLB1-UP)Petroleum Engine: 3512C PETROLEUM (S/N: LLA4559-UP; R1A1-UP; R1S1608-UP) G3520B PETROLEUM (S/N: TPC1-UP)Power Module: PM3512 (S/N: BNR1-UP)Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
Modbus functionality does not work in Product Link PLE640 network manager when upgraded to firmware v2014B ( 463-9600 Monitor Software Gp ) on certain machines that are listed above.Solution
For machines with an installed Product Link PLE640 and using Modbus functionality, do not update the network manager to firmware v2014B ( 463-9600 Monitor Software Gp ). Wait for the next release of Product Link PLE640 network manager firmware v2014B.1.