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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 168 FMI 1 (IPPC) Battery Plus terminal 30 Voltage Too Low

DESCRIPTION:
This fault code sets when the Integrated Predictive Powertrain Control (IPPC) module detects that the battery voltage is too Low.

MONITORED PARAMETER:
Battery voltage

TYPICAL ENABLING CONDITIONS:
Ignition ON

MONITOR SEQUENCE:
Always

EXECUTION FREQUENCY:
Always

TYPICAL DURATION:
2 seconds

DASH LAMPS:
None

ENGINE REACTION:
None

VERIFICATION:
Start and Idle the Engine.

PROBABLE CAUSES:
1. Alternator belt failure.
2. Alternator mounting failure or out of alignment.
3. Alternator failure.
4. Battery or battery cable failure.
5. Wiring from battery to engine ECM.

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