TESLA Warning

PM-W018

PM_w018_encoderIrrational

Also written as PM_W018 / PM W018 / PM_w018_encoderIrrational / pm_w018_encoderirrational

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-W018 mean?

Tesla warning code in the Power Management (PM) module. The Pedal Monitor (PM) is receiving irrational data from the motor encoder.

Original Description

The Pedal Monitor (PM) is receiving irrational data from the motor encoder.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Power Management alert: The Pedal Monitor (PM) is receiving irrational data from the motor encoder.
  • Related vehicle feature may be reduced or unavailable
  • Alert visible in the Tesla app: The Pedal Monitor (PM) is receiving irrational data from the motor encoder.

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-W018 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 →