TC control
â–¶ How to fix
Check the cable if the resistance between pin A4 and ground is not 0 ohm. Then check the control unit as follows: Erase the fault code. Turn off the power supply with the starter key. Wait for 10 seconds. Switch on the power using the starter key. If the fault code it still active, renew the control unit.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Ground connection via control unit is inadequate.
Possible cause
Damage to cables or control unit.