Coolant valve short circuit to 24V
â–¶ How to fix
• Disconnect the valve V194 and the connector E81-C. Measure on the cable between V194-1 and U30. If there is connection, change the cable. • Change the BMU(E81).
What you'll see
No driver-visible symptom recorded.
System reaction
Forced hybrid battery cooling bypass, battery temperature rising, reduced system performance.
Diagnostic depth
Detection
Electrical diagnosis in the BMU
Possible cause
Component or cable harness damage