EPAS3P-ECU-1
EPAS3P_ECU_1
Also written as EPAS3P_ECU_1 / EPAS3P ECU 1 / epas3p_ecu_1
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-ECU-1 mean?
Tesla unknown code in the Electric Power Steering Primary (EPAS3P) module. All messages the local ECU expects to receive from the EPAS3P ECU are being received or the EPAS3P ECU is CAN inactive. EPAS3P functionality may be missing. Electronic Parking Brake's learned configuration does not match the reported config from the gateway Electronic Parking Brake HW type does not match HW type reported by gateway and 5 seconds have passed since gateway booted up Electronic Parking Brake HW type matches HW type reported by gateway Hardware does not match current configuration, parking brake function may be degraded A unified diagnostics services (UDS) request was made The firmware on this car is for engineering use only The build flashed to this controller may have features disabled for test purposes. Safety systems may be disabled. One or more of the expected CAN messages from PCS were not received.
Original Description
All messages the local ECU expects to receive from the EPAS3P ECU are being received or the EPAS3P ECU is CAN inactive. EPAS3P functionality may be missing. Electronic Parking Brake's learned configuration does not match the reported config from the gateway Electronic Parking Brake HW type does not match HW type reported by gateway and 5 seconds have passed since gateway booted up Electronic Parking Brake HW type matches HW type reported by gateway Hardware does not match current configuration, parking brake function may be degraded A unified diagnostics services (UDS) request was made The firmware on this car is for engineering use only The build flashed to this controller may have features disabled for test purposes. Safety systems may be disabled. One or more of the expected CAN messages from PCS were not received.
Affected Tesla Models
What You May Notice
- Electric Power Steering Primary alert: All messages the local ECU expects to receive from the EPAS3P ECU are being received or the EPAS3P ECU is CAN inactive.
- Steering is functional but may feel slightly different
How to Diagnose and Resolve
- 1 Reboot the vehicle
- 2 Check for OTA software updates
- 3 Schedule service if the steering feels abnormal
Severity Notes
EPAS3P-ECU-1 is a diagnostic or informational code in the Electric Power Steering Primary system. Typically no immediate action is required.