Pre-Collision System (PCS) warning and Slip...

First for the pre collision system warning psc the possible faults is
1. Fault in the trailer electric harness.
2. fault in the radar sensor in the Toyota logo.
Second the slip indicator possible faults is
1. Fault in the ABS sensor.
2.fault in wheel speed sensor.
3. Fault in ABS pump.
So to solve the problems of your car you have to check your car via the obd ll device at a specialist and check what mention above.
ABS pump