TC control
â–¶ How to fix
Check wiring and TC valve. The voltage between pin B7 and ground must be 0 volt.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The supply voltage has been above the permitted level.
Possible cause
The TC valve or its wiring has been exposed to undesirable positive voltage through a short circuit.