DTC B14F4-87: Communication Error With Parking Assist Unit (Ultrasonic) Related Module [Vehicle Control Module (Us)]: Outline
DTC B14F4:87 [VEHICLE CONTROL MODULE (US)] DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Communication error with parking assist unit (ultrasonic) related module |
| Detection condition |
- The vehicle control module (VCM) detects that the parking assist unit (ultrasonic) received a communication error with the following modules for 20 s.
- DSC HU/CM
- Electrical supply unit (ESU)
- Vehicle control module (VCM)
- Body control module (BCM)
|
| Fail-safe |
(See DTC TABLE [VEHICLE CONTROL MODULE (US)]
.) |
| Possible cause |
- Malfunction in each CAN communication line
- CAN BUS No. 1 communication line
- CAN BUS No. 3 communication line
- CAN BUS No. 4 communication line
- Malfunction in each CAN communication related module
- DSC HU/CM
- Electrical supply unit (ESU)
- Vehicle control module (VCM)
- Body control module (BCM)
- Configuration data error
|
| System wiring diagram |
Not applicable |
| Connector diagram |
Not applicable |