DTC U0338 00/U0515 00: Can System Communication Error: Notes

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0338:00/U0515:00 DIAGNOSTIC PROCEDURE

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 Miss-assembly of the steering angle sensor (if equipped)
SYSTEM WIRING DIAGRAM	Not applicable