P2769
Torque Converter Clutch Duty Cycle Not Understood
2014-2016 Chevrolet Spark EV Electric Motor 🇨🇦
Moderate SeverityPowertrain
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
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P2769 on Other Vehicles
Chevrolet Astro
1995-2005 4.3L V6 Vortec
Chevrolet Avalanche
2002-2006 5.3L V8 Vortec
Chevrolet Avalanche
2002-2006 8.1L V8 Vortec
Chevrolet Avalanche
2007-2013 5.3L V8 Vortec
Chevrolet Avalanche
2007-2013 6.0L V8 Vortec
Chevrolet Aveo
2012-2018 1.6L I4
Chevrolet Beat
2018-2021 1.2L I4
Chevrolet Beretta
1990-1996 2.2L I4
Common Questions
What does code P2769 mean on a 2014-2016 Chevrolet Spark EV?
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 Chevrolet Spark EV?
Common symptoms of P2769 include: Check engine light, TCC shudder, Abnormal converter operation.
What causes P2769 on a 2014-2016 Chevrolet Spark EV?
Common causes of P2769 include: TCM calibration issue, Input sensor fault, Solenoid performance issue.