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27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 1 (MCM, CPC) Battery Voltage Low

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Alternator belt failure.2. Alternator mounting...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 1 (MCM) Battery Voltage Low

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Alternator belt failure.2. Alternator mounting...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 14 (MCM, CPC) ECU Power Down Not Completed (Main Battery Terminal Possibly Floating)

NOTE: For EPA 10 vehicles, this code has been turned off with common powertrain controller (CPC) software level v21.00 or...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 18 (CPC) Battery Voltage Low

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Alternator belt failure.2. Alternator mounting...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 7 (CPC) Opt Idle Detected Charging System or Battery Failure

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Alternator belt failure.2. Alternator mounting...

27 November, 2025

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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 168 FMI 9 (CPC) Battery Connection Lost

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Alternator belt failure.2. Alternator mounting...

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