DTC U3000-41; Pcm Processor 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 AND POSSIBLE CAUSE

DTC U3000:41	PCM processor error
DETECTION CONDITION	Communication error in the PCM. Diagnostic support note This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA (Mode 2) is not available. Snapshot data is available. DTC is not stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	PCM internal malfunction
SYSTEM WIRING DIAGRAM	Not applicable