DTC U0338: 00 Start Stop Unit Error: Notes

DTC U0338:00 DETECTION CONDITION AND POSSIBLE CAUSES (SKYACTIV-G 2.0, SKYACTIV-G 2.5)

DTC U0338:00	Start stop unit error
DETECTION CONDITION	When any of the following conditions is met: CAN communication line malfunction between start stop unit and PCM Start stop unit internal malfunction Diagnostic support note This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA (Mode 2)/Snapshot data is not available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	CAN drive error (start stop unit or PCM) CAN communication line malfunction between start stop unit and PCM Start stop unit terminal 2M-Front body control module (FBCM) terminal 2K Start stop unit terminal 2O-Front body control module (FBCM) terminal 2I Front body control module (FBCM) terminal 2P-PCM terminal 2AK Front body control module (FBCM) terminal 2N-PCM terminal 2AL Start stop unit connector or terminals malfunction PCM connector or terminals malfunction Start stop unit malfunction PCM malfunction
Courtesy of MAZDA MOTORS CORP.