TESLA Warning

APS-W178

APS_w178_TurboB_DisRegPgoodErr

Also written as APS_W178 / APS W178 / APS_w178_TurboB_DisRegPgoodErr / aps_w178_turbob_disregpgooderr

System
APS
Autopilot System
Type
Warning
Category
ADAS
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 APS-W178 mean?

Tesla warning code in the Autopilot System (APS) module. Torsion Bar Torque Offset Learned APS doesnt receive EPB msgs for more than 10 cycles APS starts receiving msgs from EPB

Original Description

Torsion Bar Torque Offset Learned APS doesnt receive EPB msgs for more than 10 cycles APS starts receiving msgs from EPB

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Autopilot System alert: Torsion Bar Torque Offset Learned APS doesnt receive EPB msgs for more than 10 cycles APS starts receiving msgs from EPB
  • Camera or sensor obstruction notification on the touchscreen
  • Autopilot features greyed out in the drive settings menu

How to Diagnose and Resolve

  1. 1 Check all cameras and sensors for dirt, ice, or obstructions — clean if needed
  2. 2 Reboot the vehicle
  3. 3 Check for OTA updates (Autopilot improvements are frequently delivered OTA)
  4. 4 Schedule service if Autopilot remains unavailable after cleaning and rebooting

Severity Notes

APS-W178 is a Warning in the Autopilot System system. Schedule service soon. Monitor your vehicle for additional warnings.

Other APS Codes

APS_w002 APS_w003 APS_w004 APS_w005 APS_w006 APS_w007 APS_w008 APS_w009
View all APS codes →