Diagnostic Trouble Codes Table

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTCs U0073, U0100, U0101, U0121, U0155, U0167, U1147, U1900 & U2510, & U2516

Courtesy of MAZDA MOTORS CORP.

DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC	DESCRIPTION
U0073, U1900 & U2516	CAN SYSTEM COMMUNICATION ERROR & CAN SYSTEM WIRING HARNESS OPEN OR SHORT CIRCUIT