120 – HI ECU Power Supply Voltage
Cause
Corrective action
The supply voltage of the ECU has
violated limit value 1.
1. Check state of charge of batteries (plant side).
2. Check plug connections to Engine Control Unit (→ Page 323).
3. Check battery charging-generator.
4. Contact Service.
121 – HIHI ECU Power Supply Voltage
Cause
Corrective action
The supply voltage of the ECU has
violated limit value 2.
1. Check state of charge of batteries (plant side).
2. Check plug connections to Engine Control Unit (→ Page 323).
3. Check battery charging-generator.
4. Contact Service.
201 – SD T-Coolant
Cause
Corrective action
The signal from the coolant
temperature sensor (B6) at the
coolant distribution housing is
faulty or missing.
1. Check engine cabling (→ Page 321).
2. Contact Service.
202 – SD T-Fuel
Cause
Corrective action
The signal from the fuel
temperature sensor (B33) on the
HP distributor is faulty or missing.
1. Check engine cabling (→ Page 321).
2. Contact Service.
203 – SD T-Charge Air
Cause
Corrective action
The signal from the charge-air
temperature sensor (B9), A side,
is faulty or missing.
1. Check engine cabling (→ Page 321).
2. Contact Service.
205 – SD T-Coolant Intercooler
Cause
Corrective action
The signal from the charge-air
coolant temperature sensor (B26)
after engine inlet is faulty or
missing.
1. Check engine cabling (→ Page 321).
2. Contact Service.
206 – SD T-Exhaust A
Cause
Corrective action
The signal from the exhaust gas
temperature sensor (B4.1) in the
A side exhaust pipe is faulty or
missing.
1. Check engine cabling (→ Page 321).
2. Contact Service.
MS15065/01E 2019-01
| Troubleshooting | 133
TIM-ID: 0000078552 - 003
