Is VCRIGHT_A378 the same as VCRIGHT-A378?

Yes. VCRIGHT_A378, VCRIGHT A378, and VCRIGHT-A378 are alternate spellings of the same Tesla alert code. Also written as: VCRIGHT-A378, VCRIGHT_A378, VCRIGHT A378, VCRIGHT_a378_ductLeftUpperTempSns, vcright_a378_ductleftuppertempsns.

What symptoms can VCRIGHT-A378 cause?

Vehicle Controller Right alert: The left upper duct temperature sensor has an electrical fault Some features (climate, lights, or charging) may be temporarily unavailable Alert notification in the Tesla app

What should I check for VCRIGHT-A378?

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

Is it safe to drive with VCRIGHT-A378?

🔵 Do not use this page as drive-clearance. Monitor the alert and arrange service if it returns.

TESLA Alert

VCRIGHT-A378

VCRIGHT_a378_ductLeftUpperTempSns

Also written as VCRIGHT_A378 / VCRIGHT A378 / VCRIGHT_a378_ductLeftUpperTempSns / vcright_a378_ductleftuppertempsns

System

VCRIGHT

Vehicle Controller Right

Type

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-A378 mean?

Tesla alert code in the Vehicle Controller Right (VCRIGHT) module. The left upper duct temperature sensor has an electrical fault

Original Description

The left upper duct temperature sensor has an electrical fault

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

Vehicle Controller Right alert: The left upper duct temperature sensor has an electrical fault
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-A378 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 →