System Error Message
Status LED
System Actions
Issue Description
Recommended Corrective Action
Engine
Communication Error
Blink Red
Communication
between the module
and the engine ECU
has been lost.
Check the electrical connections at
the module, interconnect between
the engine wire harness, and chassis
harness. Check the connections
at the engine ECU. Contact an
Authorized Service Dealer.
Module
Communication Error
Blink Red
Safe Transport
Mode—engine limited
to Efficient mode and the
PTO is disengaged.
Communication
between the LDU
module and MCU
module has been lost.
Check the electrical connections at
the LDU and MCU module.
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