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21 September, 2025

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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 84 FMI 8 (CPC) Vehicle Speed Sensor Anti-Tamper Detection Via Antilock Brake System Message Missing

NOTE: This fault code indicates a missing message from the antilock brake system (ABS) module. NOTE: If there are any...

21 September, 2025

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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 84 FMI 9 (CPC) J1939 Wheel-Based Vehicle Speed Signal from Source #2 is Missing

NOTE: Please see the step by step troubleshooting procedures for this specific code. NOTE: If codes for other modules are...

21 September, 2025

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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 904 FMI 13 (CPC) Front Axle Speed Signal is Missing

NOTE: Front axle speed signal is missing. NOTE: If codes 168-0, 168-14, or 168-18 active fix those first. NOTE: Cause...

21 September, 2025

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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 904 FMI 19 (CPC) Front Axle Speed Signal is Erratic

NOTE: Please see the step by step troubleshooting procedures for this specific code. NOTE: If codes 168-0, 168-14, or 168-18...

21 September, 2025

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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 904 FMI 9 (CPC) Engine Brake Controller (EBC2. Message from the Anti-Lock Brake System (ABS) is Missing

NOTE: This fault indicates a missing message from the ABS module. NOTE: If codes 168-0, 168-14, or 168-18 active fix...

21 September, 2025

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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 91 FMI 0 (CPC) Data Valid But Above Normal Operational Range – Most Severe Level

NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. Accelerator pedal assembly.2. Accelerator pedal...

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