VCRIGHT-A178
VCRIGHT_a178_trunkSwitchVCBATTMIA
Also written as VCRIGHT_A178 / VCRIGHT A178 / VCRIGHT_a178_trunkSwitchVCBATTMIA / vcright_a178_trunkswitchvcbattmia
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does VCRIGHT-A178 mean?
Tesla alert code in the Vehicle Controller Right (VCRIGHT) module. The trunk switch was reported as pressed by VCRIGHT, but not reported as pressed by VCBATT which uses this input to wake the vehicle. Check harness connection. The trunk switch was reported as pressed by VCRIGHT, but not reported as pressed by VCBATT. Trunk switch reported as pressed by both VCRIGHT and VCBATT Vehicle not able to wake by trunk switch from hibernation
Original Description
The trunk switch was reported as pressed by VCRIGHT, but not reported as pressed by VCBATT which uses this input to wake the vehicle. Check harness connection. The trunk switch was reported as pressed by VCRIGHT, but not reported as pressed by VCBATT. Trunk switch reported as pressed by both VCRIGHT and VCBATT Vehicle not able to wake by trunk switch from hibernation
Affected Tesla Models
What You May Notice
- Vehicle Controller Right alert: The trunk switch was reported as pressed by VCRIGHT, but not reported as pressed by VCBATT which uses this input to wake
- Some features (climate, lights, or charging) may be temporarily unavailable
- Alert notification in the Tesla app
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels)
- 2 Check for pending OTA software updates in Controls > Software
- 3 If multiple features remain non-functional, schedule a service appointment
Severity Notes
VCRIGHT-A178 is an Alert in the Vehicle Controller Right system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.