DTC U0402:00 [Dynamic Stability Control (DSC)]: Notes

DTC	U0402:00	Abnormal message from PCM (MTX) Abnormal message from TCM (ATX)
DETECTION CONDITION	Correct data cannot be received from PCM (MTX) Correct data cannot be received from TCM (ATX)
FAIL-SAFE FUNCTION	Illuminates the TCS/DSC indicator light. Inhibits the TCS (engine control) and DSC controls.
POSSIBLE CAUSE	PCM malfunction (MTX) TCM malfunction (ATX)
SYSTEM WIRING DIAGRAM	-