DTC U2005-86; Error Signal Received From Pcm: Notes

WARNING: This page is about a different car, the 2017 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION AND POSSIBLE CAUSES

Description	Error signal received from PCM
Detection condition	The auto leveling control module received vehicle speed signal error from the PCM for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe	The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause	DTCs are stored in the PCM. PCM malfunction Auto leveling control module malfunction
System wiring diagram	Not applicable