TESLA Warning

PMS-W018

PMS_w018_encoderIrrational

Also written as PMS_W018 / PMS W018 / PMS_w018_encoderIrrational / pms_w018_encoderirrational

System
PMS
Power Management System
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 PMS-W018 mean?

Tesla warning code in the Power Management System (PMS) module. This alert indicates there is a motor encoder error.

Original Description

This alert indicates there is a motor encoder error.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Power Management System alert: This alert indicates there is a motor encoder error.
  • Related vehicle feature may be reduced or unavailable
  • Alert visible in the Tesla app: This alert indicates there is a motor encoder error.

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

PMS-W018 is a Warning in the Power Management System system. Schedule service soon. Monitor your vehicle for additional warnings.

Other PMS Codes

View all PMS codes →