TESLA Diagnostic

EPAS-D028

EPAS_d028_KFC_PROG_WD

Also written as EPAS_D028 / EPAS D028 / EPAS_d028_KFC_PROG_WD / epas_d028_kfc_prog_wd

System
EPAS
EPAS
Type
Diagnostic
Category
Network
Severity
Diagnostic / Info

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 EPAS-D028 mean?

Tesla diagnostic code in the EPAS (EPAS) module. This alert indicates there is a Watchdog question / answer failure. Part of the answer, which goes to the Watchdog, is faulty. The answer to the Intelligent Watchdog of several partial answers are generated. Should one of these partial responses not be calculated with an Offline Partial response match, the error handler reports an error.

Original Description

This alert indicates there is a Watchdog question / answer failure. Part of the answer, which goes to the Watchdog, is faulty. The answer to the Intelligent Watchdog of several partial answers are generated. Should one of these partial responses not be calculated with an Offline Partial response match, the error handler reports an error.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • EPAS alert: This alert indicates there is a Watchdog question / answer failure. Part of the answer, which goes to the Watchdog, is f
  • 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

EPAS-D028 is a diagnostic or informational code in the EPAS system. Typically no immediate action is required.

Other EPAS Codes

View all EPAS codes →