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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 84 FMI 10 (CPC) J1939 Wheel-Based Vehicle Speed Signal from Source #3 is Erratic

NOTE: Please see the step by step troubleshooting procedures for this specific code.

NOTE: If codes for other modules are present, fix those first.

PROBABLE CAUSES:
1. Improper programming of the CPC (Common Powertrain Controller).
2. Other failed modules on the truck (Transmission, ABS, Cab controller, etc…).
3. Battery/battery cable issues, or electical issue on truck.

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 84 FMI 9 (CPC) J1939 Wheel-Based Vehicle Speed Signal from Source #2 is Missing
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 84 FMI 8 (CPC) Vehicle Speed Sensor Anti-Tamper Detection Via Antilock Brake System Message Missing
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 84 FMI 7 (CPC) Vehicle Speed Signal Hall Effect VSS Wiring Mismatch, Rationality Fault
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 84 FMI 6 (CPC) Vehicle Speed Sensor Anti-Tamper Detection via Antilock Brake System Vehicle Speed Comparison
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 84 FMI 5 (CPC) Vehicle Speed Sensor Open Circuit
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 84 FMI 5 (MCM) Vehicle Speed Sensor Open Circuit