P2764high severityPowertrain
Torque Converter Clutch Pressure Control Solenoid Stuck Off
on 2012 Tesla Model S 85 kWh Dual Motor AWD · AWD
What this code means
The TCC pressure control solenoid is stuck in the off position.
Symptoms
- No torque converter lockup
- Higher RPM at highway speed
- Poor fuel economy
- Overheating transmission
Common causes
- Failed solenoid
- Contaminated fluid blocking valve
- Valve body stuck
Diagnostic steps
- Command TCC operation with scan tool
- Check for fluid contamination
- Pressure test
Repair notes
Replace solenoid. Check for debris in valve body.
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