DTC U2021 [Abs/TCS]: Notes

NOTE:

To warm up the engine completely, idle the engine and wait for more than 5 minutes.

DTC U2021 [ABS/TCS] DETECTION CONDITION AND POSSIBLE CAUSES

DTC U2021	Engine coolant temperature
DETECTION CONDITION	After engine is warmed up, engine coolant temperature is 0 °C {32 °F} or less, and TCS operation is inhibited by PCM.
POSSIBLE CAUSE	System is normal. When engine coolant temperature rises, TCS operation is executed by PCM.