Volvo Engine D11L (Tier 4) Fault Code: PID 84 FMI 9 Road Speed
Volvo Engine D11L (Tier 4) Fault Code: PID 84 FMI 9 Road Speed
CONTROL UNIT:
Engine ECU
DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the machine speed signal (PID 84) is missing or is not arriving often enough.
SYMPTOM:
None
POSSIBLE CAUSES:
Open circuit on bus communication (cable harness).
-
volvo Devtool Studio V2 / V3 / V4 Developer tool plus 2.6 / 2.7
Trucks software $35.00Rated 0 out of 5 -
premium volvo tech tool update 2.8.150 diagnostic software 1pc
Trucks software $150.00Rated 0 out of 5