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22 November, 2025

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Detroit DD15 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...

22 November, 2025

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Detroit DD15 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...

22 November, 2025

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Detroit DD15 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...

22 November, 2025

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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 171 FMI 13 (ACM) Ambient Air Temperature Signal Not Available via the Controller Area Network

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Ambient air temperature sensor not...

22 November, 2025

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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 171 FMI 14 (CPC) J1587 Ambient Air Temperature Sensor Data Not Received this Ignition Cycle

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Ambient air temperature sensor not...

22 November, 2025

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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 171 FMI 2 (CPC) Ambient Temperature Sensor Data Erratic

DESCRIPTION:Ambient temperature sensor data signal error. MONITORED PARAMETER:Ambient temperature TYPICAL ENABLING CONDITIONS:Always enabled MONITOR SEQUENCE:None EXECUTION FREQUENCY:Always enabled TYPICAL DURATION:2...

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Detroit Diesel