Engine Protection

Malfunctions in the fuel system and engine are indicated by the red STOP light, yellow CAUTION light and blue INFO light coming on.

To protect the engine and prevent damage, there is an engine protection program that functions as follows when a serious malfunction occurs:

Malfunction	Light	Diagnostic trouble code	Effect
Incorrect signal from the crankshaft speed sensor	blue yellow yellow	000637.10 000637.02 000637.08	Engine power is reduced by 50%
Coolant too hot	yellow red	000110.16 000110.00	Engine power is reduced by 20% Engine power is reduced by 60%
Fuel temperature too high	red	000174.00	Engine power is reduced by 20%
Mixed air temperature of Exhaust Gas Recirculation (EGR) too high	yellow red	000105.16 000105.00	Engine power is reduced by 20% Engine power is reduced by 60%
Faulty suction control valve	red	001347.05	Engine power is reduced by 50%
Incorrect signal from sensor for fuel rail pressure	red red	000157.03 000157.04	Engine power is reduced by 50%
Problem with transmission on the CAN BUS	yellow yellow yellow	000237.02 000237.13 000237.31	Engine power is reduced in increments of 10% to an engine speed of 1277 rpm
Water detected in fuel filter	yellow	000097.16	Engine power is reduced by 50%