C0001

TCS Control Channel A Valve 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Disabling TCS
Wheel slipping during acceleration

Causes

Open or short circuit in valve wiring harness
TCS solenoid valve malfunction
Problems with the TCS control unit
Corrosion or poor contact in connectors

How to Fix

Check the condition of the wiring harness and valve connectors
Measure valve resistance (must meet manufacturer specifications)
Check the control signal from the control unit
If necessary, replace the faulty valve or wiring harness.
Reset the error and check the system operation

Related codes

C0002 C0003 C0004