NOTE: Please see the step by step troubleshooting procedures for this specific code.
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.
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 0 (IPPC) Battery Plus Terminal 30 Voltage Too High
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 0 (MCM, CPC) Battery Voltage High
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 164 FMI 21 (MCM) Fuel Rail Pressure Sensor Drift Low
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 164 FMI 20 (MCM) Fuel Rail Pressure Sensor – Drift High
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 164 FMI 15 (MCM) Rail Pressure Deviation Greater Than 200 Bar While Under Load
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 164 FMI 5 (MCM) Fuel Rail Pressure Sensor Circuit Open or A Stuck-in-Range Sensor
