Torque Converter Clutch Capacity Low
2018-2025 Fiat Cronos 1.3L I4 Flex Firefly
Description
The torque converter clutch is not transmitting the expected amount of torque. Slip is detected beyond the normal engagement tolerance.
Symptoms
- Check Engine Light
- TCC shudder at highway speed
- Slight RPM fluctuation at cruise
- Reduced fuel economy at highway
- Torque converter area overheating
- Vibration at steady throttle
Common Causes
- Worn torque converter clutch lining
- Degraded transmission fluid
- TCC apply solenoid weak
- Internal seal leak
- TCC damper spring failure
Diagnostic Steps
- Monitor TCC slip PID at steady cruise
- Check transmission fluid condition
- Test TCC apply pressure
- Inspect TCC solenoid operation
- Perform stall speed test
Repair Notes
Replace torque converter. Flush transmission fluid. Some vehicles respond to fluid replacement alone.
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
P3063 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code P3063 mean on a 2018-2025 Fiat Cronos?
P3063 stands for "Torque Converter Clutch Capacity Low". The torque converter clutch is not transmitting the expected amount of torque. Slip is detected beyond the normal engagement tolerance.
What are the symptoms of P3063 on a Fiat Cronos?
Common symptoms of P3063 include: Check Engine Light, TCC shudder at highway speed, Slight RPM fluctuation at cruise, Reduced fuel economy at highway, Torque converter area overheating, Vibration at steady throttle.
What causes P3063 on a 2018-2025 Fiat Cronos?
Common causes of P3063 include: Worn torque converter clutch lining, Degraded transmission fluid, TCC apply solenoid weak, Internal seal leak, TCC damper spring failure.