DESCRIPTION:
5V sensor supply bank 2 circuit failed high.

MONITORED PARAMETER:
Motor Control Module (MCM) 5V internal power supply.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
None

VERIFICATION:
Engine Idle (1 minute).

PROBABLE CAUSES:
Short to power on one of the following from the main 120-pin ECM connector:
1. Pin 82 -turbocharger speed sensor, fuel pressure sensor, fuel compensation pressure sensor, engine oil pressure.
2. Pin 85 – turbocharger inlet pressure/temp sensor, DPF inlet pressure sensor, DPF outlet pressure sensor.
3. Pin 104 – fuel line pressure sensor, fuel compensation pressure sensor.
4. Pin 105 – engine oil pressure, turbocharger inlet pressure sensor, turbocharger temperature sensor.