TESLA Alert

VCRIGHT-A178

VCRIGHT_a178_trunkSwitchVCBATTMIA

Also written as VCRIGHT_A178 / VCRIGHT A178 / VCRIGHT_a178_trunkSwitchVCBATTMIA / vcright_a178_trunkswitchvcbattmia

System
VCRIGHT
Vehicle Controller Right
Type
Alert
Category
Network
Severity
Alert

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

Model SModel XModel 3Model YCybertruck

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. 1 Perform a soft reboot (hold both scroll wheels)
  2. 2 Check for pending OTA software updates in Controls > Software
  3. 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.

Other VCRIGHT Codes

VCRIGHT_a001 VCRIGHT_a002 VCRIGHT_a003 VCRIGHT_a005 VCRIGHT_a006 Tesla alert code in the Vehicle Controller Right (VCRIGHT) m... VCRIGHT_a010 VCRIGHT_a012 VCRIGHT_a013
View all VCRIGHT codes →