TESLA Diagnostic

EPAS-D077

EPAS_d077_KFC_STEERING_CONTROL

Also written as EPAS_D077 / EPAS D077 / EPAS_d077_KFC_STEERING_CONTROL / epas_d077_kfc_steering_control

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-D077 mean?

Tesla diagnostic code in the EPAS (EPAS) module. DAS_steeringControl has an invalid counter or checksum. Lane Departure Warning (LDW) and external angle control (ESRA) cannot operate.?

Original Description

DAS_steeringControl has an invalid counter or checksum. Lane Departure Warning (LDW) and external angle control (ESRA) cannot operate.?

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • EPAS alert: DAS_steeringControl has an invalid counter or checksum. Lane Departure Warning (LDW) and external angle control (ESRA) c
  • 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-D077 is a diagnostic or informational code in the EPAS system. Typically no immediate action is required.

Other EPAS Codes

View all EPAS codes →