TM 5-3805-294-23-1
FIELD MAINTENANCE
DTC 189.00 - ENGINE SPEED DERATE CONDITION EXISTS
INITIAL SETUP:
Equipment Condition
Tools and Special Tools
Machine safely parked and shut down
Accessory Kit, MSD Electronic Equipment
(TM 5-3805-294-10). (Volume 5, WP 0794)
(Volume 5, WP 0796, Table 2, Item 2)
Test Equipment Setup for MSD and Service
Test Set, MSD Electronic Systems
ADVISOR. (Volume 3, WP 0375)
(Volume 5, WP 0796, Table 2, Item 116)
Personnel Required
Construction Equipment Repairer 91L (1)
References
TM 5-3805-294-10 (Volume 5, WP 0794)
Volume 3, WP 0362
Related Information
The engine speed derate diagnostic trouble code is information to the operator that the ECU has detected a condition
and is derating the engine by limiting the maximum amount of engine speed available to the engine. This code will
only set as a result of another DTC setting.
Alarm Level
Warning.
Control Unit Response
The ECU will limit the amount of engine speed in an attempt to protect the engine.
0046-1