MTU 12V 2000 G23, Use And Maintenance Manual

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5 – 10 Troubleshooting
Fault code Alarm text Meaning Task
187 CAN1 ERROR
PASSIVE Light fault on Default CAN bus
(e.g.shortage overload) (none)
188 CAN2 BUS OFF Severe fault on Redundant
CAN bus;
automatic change-over to
Default CAN bus
Contact Service.
189 CAN2 ERROR
PASSIVE Light fault on Redundant CAN
bus (e.g.short-time overload) (none)
201 SD T-COOLANT Sensor defect (coolant
temperature) 1. Check wiring.
2. Contact Service.
202 SD T-FUEL Sensor defect (Fuel
temperature)
1. Check wiring.
2. Contact Service.
203 SD T-CHARGE
AIR
Sensor defect (charge-air
temperature)
1. Check wiring.
2. Contact Service.
205 SD T-COOLANT
INTERC. Sensor defect (charge-air
coolant temperature) 1. Check wiring.
2. Contact Service.
208 SD P-CHARGE
AIR Sensor defect (charge-air
pressure) 1. Check wiring.
2. Contact Service.
211 SD P-LUBE OIL Sensor defect (lube oil
pressure)
1. Check wiring.
2. Contact Service.
215 SD P-RAIL FUEL Sensor defect (common rail
pressure);
HP controller in emergency
mode
1. Check wiring.
2. Contact Service.
216 SD T-LUBE OIL Sensor defect (lube oil
temperature) 1. Check wiring.
2. Contact Service.
220 SD COOLANT
LEVEL
Sensor defect (coolant level) 1. Check wiring.
2. Contact Service.
223 SD LEVEL
INTERCOOLER
Sensor defect (charge-air
coolant level)
1. Check wiring.
2. Contact Service.
229 SD ENG.SPEED
SENSORS Sensor defect (crankshaft
speed) and sensor defect
(camshaft speed)
1. Check wiring.
2. Contact Service.
230 SD
CRANKSHAFT
SPEED
Sensor defect (crankshaft
speed)
1. Check wiring.
2. Contact Service.
231 SD CAMSHAFT
SPEED
Sensor defect (camshaft
speed)
1. Check wiring.
2. Contact Service.
240 SD P-FUEL Sensor defect (fuel pressure) 1. Check wiring.
2. Contact Service.
245 SD POWER
SUPPLY Sensor defect (ECU operating
voltage) Contact Service.
246 SD
T-ELECTRONIC
Sensor defect (temperature in
ECU)
Contact Service.
M015560 / 00E 03-05 © MTU