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 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.
Related products
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Bendix ABS EC-30 Fault Code: SID 251 FMI 3
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Allison 1000 & 2000 Gen 4 Fault Codes: P0218 Transmission Fluid Over Temperature Condition
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Allison 1000 & 2000 Gen 4 Fault Codes: P0848 Transmission Pressure Switch Solenoid D Circuit High
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