JLG E450A Service And Maintenance Manual page 402

SECTION 6 - JLG CONTROL SYSTEM
DTC Cat DTC Num
99 274 FUNCTIONS LOCKED OUT – REAR RIGHT MOD-
ULE SOFTWARE VERSION IMPROPER
99 281 FUNCTIONS LOCKED OUT - IMPROPER MOTOR
PARAMETERS
6-86
Table 6-17. Diagnostic Trouble Codes
DTC Text
The UGM software version type is 'P' The UGM has
received valid version information from all Power
Modules. The Power Module major version number
is not compliant with the version specified on the
Software section of this document.
The UGM determines an incorrect protected Indi-
rect Table value at start-up
Fault Description
Not all of the trigger conditions are met
Power cycle
Solution
3121714