DTC U0338; U0515 Can System Communication Error: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

DTC U0338:00, U0515:00	CAN system communication error
DETECTION CONDITION	Error detected in signal from the start stop unit via CAN communication
FAIL-SAFE FUNCTION	Control enabled Power steering malfunction indicator light: Not illuminated
POSSIBLE CAUSE	Start stop unit malfunction Mis-assembly of the steering angle sensor
SYSTEM WIRING DIAGRAM	-