TESLA Warning

PM-W021

PM_w021_cruiseSpeedRegulation

Also written as PM_W021 / PM W021 / PM_w021_cruiseSpeedRegulation / pm_w021_cruisespeedregulation

System
PM
Power Management
Type
Warning
Category
Battery
Severity
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 PM-W021 mean?

Tesla warning code in the Power Management (PM) module. There is an error with the vehicle's ability to regulate cruise speed.

Original Description

There is an error with the vehicle's ability to regulate cruise speed.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Power Management alert: There is an error with the vehicle's ability to regulate cruise speed.
  • Related vehicle feature may be reduced or unavailable
  • Alert visible in the Tesla app: There is an error with the vehicle's ability to regulate cruise speed.

How to Diagnose and Resolve

  1. 1 Reboot the vehicle by holding both scroll wheels for 10 seconds
  2. 2 Check for pending OTA software updates in Controls > Software
  3. 3 If the alert persists, schedule a Tesla Service appointment
  4. 4 Describe the alert code and any symptoms when booking service

Severity Notes

PM-W021 is a Warning in the Power Management system. Schedule service soon. Monitor your vehicle for additional warnings.

Other PM Codes

PM_a001 PM_a002 PM_a003 Tesla alert code in the Power Management (PM) module. Pedal ... PM_a004 PM_a005 PM_a006 PM_a007 PM_a008
View all PM codes →