Is APP_W042 the same as APP-W042?

Yes. APP_W042, APP W042, and APP-W042 are alternate spellings of the same Tesla alert code. Also written as: APP-W042, APP_W042, APP W042, APP_w042_autopilotAborting, app_w042_autopilotaborting.

What symptoms can APP-W042 cause?

Application Layer alert: Lateral Control is disabled Autosteer is disabled Touchscreen may show an error for one or more apps or settings Feature may restore itself after a reboot

What should I check for APP-W042?

1. Perform a soft reboot (hold both scroll wheels for ~10 seconds) 2. Check for pending OTA software updates 3. If the issue persists, schedule a service appointment

Is it safe to drive with APP-W042?

🟡 Check the vehicle display for drive or charge restrictions and schedule service promptly.

TESLA Warning

APP-W042

APP_w042_autopilotAborting

Also written as APP_W042 / APP W042 / APP_w042_autopilotAborting / app_w042_autopilotaborting

System

APP

Application Layer

Type

Warning

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 APP-W042 mean?

Tesla warning code in the Application Layer (APP) module. Lateral Control is disabled Autosteer is disabled

Original Description

Lateral Control is disabled Autosteer is disabled

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

Application Layer alert: Lateral Control is disabled Autosteer is disabled
Touchscreen may show an error for one or more apps or settings
Feature may restore itself after a reboot

How to Diagnose and Resolve

1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
2 Check for pending OTA software updates
3 If the issue persists, schedule a service appointment

Severity Notes

APP-W042 is a Warning in the Application Layer system. Schedule service soon. Monitor your vehicle for additional warnings.

Other APP Codes

APP_w002 APP_w003 APP_w004 Tesla warning code in the Application Layer (APP) module. AC... APP_w005 APP_w006 APP_w007 APP_w008 APP_w009 Tesla warning code in the Application Layer (APP) module. AE...

View all APP codes →