P2764high severityPowertrain
Torque Converter Clutch Pressure Control Solenoid Stuck Off
on 2010 BMW M3 E90 4.0L V8 S65 · RWD
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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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1