18 Safety Information
Electronic Engine Control System
Tampering with the electronic system in-
stallation can be dangerous and could result
in personal injury or death and/or engine
damage. It is very important to take the
proper precautions with the electrical and
electronic system when charging the batter-
ies, jump-starting or performing electric
welding on the vehicle. See the vehicle Op-
erator’s Manual for correct procedures.
The Volvo D12 engine uses high voltage
to the electronic unit injectors. DO NOT
come in contact with the unit injector
terminals while the engine is running.
An electric shock can cause an involun-
tary muscle spasm and cause balance
loss and falls leading to severe personal
injury or death.
This engine is equipped with monitoring
features that may cause reduced power or
shutdown under certain conditions. The
power output, monitoring and idling fea-
tures can only be programmed and/or
changed with electronic service tools and
passwords.
Certain features, such as low oil pressure,
high coolant temperature or low coolant
level could cause the engine power and/or
vehicle speed to be limited and the engine
may also shut down. The shutdown will
take approximately 30 seconds from the
time the warning feature is activated. See
the vehicle Operator’s Manual for more
information.
W0001522
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