DTC B14F4-86: Error Signal Received From Other Modules Of Parking Assist Unit (Ultrasonic) [Vehicle Control Module (Us)]: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B14F4:86 (VEHICLE CONTROL MODULE - US) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Error signal received from other modules of parking assist unit (ultrasonic)
Detection condition	The vehicle control module (VCM) detects that the parking assist unit (ultrasonic) received error signals or a configuration data error from the following modules for 20 s. DSC HU/CM Steering angle sensor Vehicle control module (VCM) Body control module (BCM)
Fail-safe	(See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause	Configuration data error Malfunction in each CAN communication related module Parking assist unit (ultrasonic) DSC HU/CM Steering angle sensor Vehicle control module (VCM) Body control module (BCM) calibrating yaw rate for vehicle control module (VCM) not implemented or error
System wiring diagram	Not applicable
Connector diagram	Not applicable