DTC P0500; Vehicle Speed Signal Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

DTC P0500:00	Vehicle speed signal circuit malfunction
DETECTION CONDITION	Under the following conditions, the vehicle speed signal input from DSC HU/CM is incorrect: Engine is running. The vehicle is driven in D position or R position. Output shaft speed sensor related DTC is not recorded There is correlation between output shaft speed sensor speed and turbine/input shaft speed sensor speed.
FAIL-SAFE FUNCTION	Inhibits learning control. Inhibits neutral idle control. Inhibits AAS.
POSSIBLE CAUSE	DSC HU/CM DTC is stored. ABS wheel-speed sensor malfunction
SYSTEM WIRING DIAGRAM	Not applicable