VOLVOUU Engine D11L (Tier 4) Fault Code: SID 211 FMI 4 Sensor Supply Voltage #2 (+5V DC)
CONTROL UNIT:
Engine ECU
DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is below 4.495 V.
SYMPTOM:
Incorrect values from engine’s sensors generated.
POSSIBLE CAUSES:
1. Short circuit to lower voltage.
2. Defective sensor.
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