DTC U0121:00 [PCM (SKYACTIV-G (US))]
DTC U0121:00 [PCM (SKYACTIV-G (US))]
SM2565539
id0102t43277u0
Outline
|
System malfunction location |
CAN communication: communication error to DSC HU/CM |
|---|---|
|
Detection condition
|
• Communication error between the PCM and DSC HU/CM continues for 5 s or more.
|
|
Fail-safe
|
• Inhibits the DSC control.
|
|
Possible cause
|
• CAN communication line malfunction between PCM and DSC HU/CM
• DSC HU/CM malfunction
• PCM malfunction
|
|
System wiring diagram
|
• Not applicable
|
|
Connector diagram
|
• Not applicable
|
Diagnostic Procedure
• Inspect according to the diagnostic procedure in ON-BOARD DIAGNOSTIC [MULTIPLEX COMMUNICATION SYSTEM]. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)].)