Fuel Economy Calculation Wrong — Possible Fault Codes
Found 1 fault code associated with fuel economy calculation wrong. Codes are sorted by severity — check STOP ENGINE codes first.
SPN 84 FMI 0
Vehicle Speed Signal
Volvo D13 • Component: Vehicle Speed Sensor (VSS) / ABS • J1939
⚠️ Diagnostic Note:
Symptoms can have multiple root causes. Always verify with a diagnostic scan tool before replacing parts. The fault codes listed above are possible matches for fuel economy calculation wrong based on SAE J1939/J1587 fault code definitions and OEM service documentation.