B0408 06 - Chevrolet Diagnostic Trouble Code (DTC) Definition ...

Home » Code B0408 » B0408 06 - Chevrolet Diagnostic Trouble Code (DTC) Definition ...

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Home ChevroletB0408 06 Chevrolet Chevrolet DTC B0408 06 Make: Chevrolet Code: B0408 06 Definition: High side 1 system (Voltage low range out) Description: Voltage of battery: 8 V or more. Voltage of battery: 16.5 V or less. Engine speed: 650 r/min or more. Time since above engine condition: 1.5 seconds or more. FET (Field Effect Transistor) of high side 1: Switched off. The FET channel output remains 100 mV or more for 5 seconds. Cause:
  • Malfunction of TC-SST-ECU
  • Malfunction of power supply circuit (open circuit)
Failure Type: Algorithm Based FailureThis sub type is used for Algorithm Based Failures that cannot be assigned to a specific sub type.

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