Daewoo Bus BS Series Owner's Manual page 247

Fault
LAMP
Code
High voltage detected at the +5 volt sensor supply circuit to
2185 Amber
the accelerator pedal position sensor
Low voltage detected at the +5 volt sensor supply circuit to
2186 Amber
the accelerator pedal position sensor
Intermittenet communication between the smart VGT controller
2198 Amber and the ECM has been detected. The VGT controller is not
interpreting the J1939 message from the ECM correctly
Low signal voltage has been detected at the EGR position
2272 Amber
sensor circuit
High signal voltage detected at the EGR differential
2273 Amber
pressure sensor circuit
Low signal voltage detected at the EGR differential
2274 Amber
pressure sensor circuit
High turbocharger speed has been detected by the ECM
2288 Amber
The turbocharger speed sensor has detected an erroneous
2345 Amber
speed value
Turbocharger turbine inlet temperature has exceeded the
2346 None
engine protection limit
High turbocharger compressor outlet air temperature has
2347 None
been calculated by the ECM
Motor terminal or motor coil open circuit has been detected
2349 Amber
by the smart EGR controller
Motor terminal or motor coil short circuit to ground, or power
2351 Amber
supply has been detected by the smart EGR controller
The EGR motor has exceeded the duty cycle limit,
2357 Amber
indicating a stuck open EGR valve
REASON
7-57
EFFECT
Engine will only idle.
Engine will only idle.
VGT actuation will be disabled.
EGR valve actuation will be disabled.
EGR valve actuation will be disabled.
EGR valve actuation will be disabled.
Engine power derate to lower the turbocharger speed.
None on performance.
The ECM uses an estimated turbocharger speed.
Fuel is limited in an attempt to decrease the
exhaust gas temperature entering the turbocharger.
Fuel is limited in an attempt to decrease the calculated
turbocharger compressor outlet air temperature.
EGR valve actuation will be disabled.
EGR valve actuation will be disabled.
EGR valve actuation will be disabled.
FAULTY DIAGNOSIS