Unintended Fault Codes Logged Against the Flashing J1939 Control on Some Backhoe Loaders Caterpillar

Unintended Fault Codes Logged Against the Flashing J1939 Control on Some Backhoe Loaders

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Unintended Fault Codes Logged Against the Flashing J1939 Control on Some Backhoe Loaders

CONFIDENTIAL TIBU4665-00

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TECHNICAL INFORMATION BULLETIN	October 27, 2005
BACKHOE LOADERS	416 (SHA1-UP) 416 (CST1-UP) 420ST (HLS1-UP) 420PL (KMW1-UP) 420 (THP1-UP) 428 (SNL1-UP) 430ST (EAT1-UP) 430PL (DDT1-UP) 430 (BYC1-UP) 432 (BXE1-UP) 434 (FSH1-UP) 442 (GKZ1-UP) 444 (LBE1-UP) 450 (EBL1-UP)
	Component Code(s) 7610 7620 7490

SUBJECT: Unintended Fault Codes Logged Against the Flashing J1939 Control on Some Backhoe Loaders

PROBLEM:

When the machine ECM is flashed, it does not properly notify the Advisor that it will be off-line. As a result the Advisor will log a 1603-9 fault (Machine Control Module Abnormal Update) during flashing of the machine ECM.

SOLUTION:

After successfully flashing the machine ECM, clear all logged diagnostics from the Advisor. If the 1603-9 diagnostic doesn't return (should return in approximately 15 seconds) then there is not a problem.

COPYRIGHT 2005 CATERPILLAR
ALL RIGHTS RESERVED

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