TESLA Alert

EPAS3P-A042

EPAS3P_a042_motPos2ParityError

Also written as EPAS3P_A042 / EPAS3P A042 / EPAS3P_a042_motPos2ParityError / epas3p_a042_motpos2parityerror

System
EPAS3P
Electric Power Steering Primary
Type
Alert
Category
Chassis
Severity
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 EPAS3P-A042 mean?

Tesla alert code in the Electric Power Steering Primary (EPAS3P) module. Motor position sensor 2 signal invalid

Original Description

Motor position sensor 2 signal invalid

Affected Tesla Models

Model 3Model Y

What You May Notice

  • Electric Power Steering Primary alert: Motor position sensor 2 signal invalid
  • Steering is functional but may feel slightly different

How to Diagnose and Resolve

  1. 1 Reboot the vehicle
  2. 2 Check for OTA software updates
  3. 3 Schedule service if the steering feels abnormal

Severity Notes

EPAS3P-A042 is an Alert in the Electric Power Steering Primary system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.

Other EPAS3P Codes

View all EPAS3P codes →