P2769
Torque Converter Clutch Duty Cycle Not Understood
1999-2000 BMW 323i E46 2.5L I6
Moderate SeverityPowertrainGeneric (SAE)
Description
The TCM cannot determine the correct duty cycle for TCC operation.
Symptoms
- Check engine light
- TCC shudder
- Abnormal converter operation
Common Causes
- TCM calibration issue
- Input sensor fault
- Solenoid performance issue
Diagnostic Steps
- Check input speed sensor
- Update TCM calibration if TSB exists
- Monitor TCC data
Repair Notes
Update TCM software. Replace solenoid if mechanical fault.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2769 on Other Vehicles
Common Questions
What does code P2769 mean on a 1999-2000 BMW 323i E46?
P2769 stands for "Torque Converter Clutch Duty Cycle Not Understood". The TCM cannot determine the correct duty cycle for TCC operation.
What are the symptoms of P2769 on a BMW 323i E46?
Common symptoms of P2769 include: Check engine light, TCC shudder, Abnormal converter operation.
What causes P2769 on a 1999-2000 BMW 323i E46?
Common causes of P2769 include: TCM calibration issue, Input sensor fault, Solenoid performance issue.