Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
All of the following must be true for C0021 to set.
- C0032 or C0033 or C0034 or C0035 not current
- ABS not active.
- Brake switch off.
The left front wheel speed equals 0, and all of the remaining Wheel Speed Sensors are greater than 8 km/h (5 mph) for at least 2.5 seconds.