DTC U0402: 00 Abnormal Message From Transmission/Transaxle: Notes
DTC U0402:00 (DSC) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC |
U0402:00 |
Abnormal message from transmission/transaxle |
| DETECTION CONDITION |
- The DSC HU/CM received error signals from the transmission/transaxle for 1 s or more with the ignition switched ON (engine off or on).
|
| FAIL-SAFE FUNCTION |
- Illuminates the TCS/DSC indicator light and master warning light*1
.
- Tire pressure monitoring system warning light illuminates after flashes.
- Inhibits the TCS, DSC, roll over mitigation (ROM), vehicle roll prevention function*2
, hill launch assist (HLA), TPMS, and smart city brake support (SCBS)*1
controls.
*1
: Vehicles with smart city brake support (SCBS)
*2
: ATX only |
| POSSIBLE CAUSE |
- The transmission/transaxle could not send a normal signal temporarily. (DTCs are stored in the TCM.)
- Transmission/transaxle malfunction
- DSC HU/CM malfunction
|
| SYSTEM WIRING DIAGRAM |
- |