DTC U0402-00: Abnormal Message From Transmission/Transaxle: Notes
DTC U040100 DYNAMIC STABILITY CONTROL (DSC) DIAGNOSTIC PROCEDURE
| 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.
- Tire pressure monitoring system warning light illuminates after flashes.
- Inhibits the TCS, DSC, roll over mitigation (ROM), hill launch assist (HLA), and TPMS controls.
|
| 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 |
- |