P0742high severityPowertrain
Torque Converter Clutch Circuit Stuck On
on 1997 BMW 328is E36 2.8L I6 M52 · RWD
What this code means
The TCC is not releasing when it should, causing the engine to stall or shudder at low speeds.
Symptoms
- Stalling when coming to a stop
- Shudder at low speed
- Vehicle lunging at stops
- Check Engine Light
Common causes
- TCC solenoid stuck on
- Valve body issue
- Wiring short keeping solenoid energized
Diagnostic steps
- Monitor TCC engagement state
- Test solenoid
- Check valve body
- Check wiring for shorts
Repair notes
Replace TCC solenoid. Driving with TCC stuck on causes stalling.
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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