DTC U0338-09: Error Light Switch Signal Received From Start Stop Unit: Notes

WARNING: This page is about a different car, the 2013 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Error light switch signal received from start stop unit
Detection condition	The front body control module (FBCM) receives CAN error signals from the start stop unit 3 times with the ignition switched ON (engine off or on).
Fail-safe	-
Possible cause	Light switch malfunction Start stop unit malfunction Front body control module (FBCM) malfunction
System wiring diagram	-