TUBE ASSEM. 6S4954 - Caterpillar

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
The machines that are flashed with the 462-7950 Power Train Software Gp will display a false diagnostic code CID 681 - FMI 7 under certain conditions for parking brake solenoid. The symptoms of the false diagnostic code are listed below:
When both the key and the parking brake solenoid are turned ON, no diagnostic code pops up.
When both the engine and the parking brake solenoid are turned ON, the diagnostic code CID 681 - FMI 7 pops up after a debounce of 5 seconds or more.
When the parking brake switch is turned OFF, the diagnostic code CID 681 - FMI 7 disappears.
When the engine is turned OFF, the diagnostic code CID 681 - FMI 7 disappears.The fault diagnostic code is generated on the machines that are listed in Table 1.
Table 1
Sales Model    Serial Number    
980K     W7K00415    
W7K00416
W7K00418
W7K00512
W7K00660
W7K01660
W7K01661
W7K01745
W7K01747
W7K01835
W7K01982
W7K02218
W7K02220
W7K02223
W7K02239 Solution
Caterpillar is aware of the problem. The new software release will be announced when available.