P1741high severityPowertrain
Torque Converter Clutch Control Error
on 2004 Lincoln Aviator 4.6L V8 DOHC · AWD
What this code means
The PCM has detected an error in the torque converter clutch operation. The TCC is not engaging or disengaging as commanded, causing a mismatch between expected and actual TCC behavior.
Symptoms
- Check Engine Light
- Poor fuel economy
- Transmission slipping
- Rough shifting
- Engine may stall at stop (TCC stuck engaged)
- Transmission overheating
Common causes
- Low or dirty transmission fluid
- Faulty TCC solenoid
- TCC solenoid wiring open or shorted
- Worn torque converter clutch
- Valve body stuck TCC apply valve
Diagnostic steps
- Check transmission fluid level and condition
- Test TCC solenoid resistance
- Monitor TCC engagement with scan tool
- Check TCC solenoid wiring for opens/shorts
- Test line pressure
Repair notes
Service transmission fluid. Replace TCC solenoid if faulty. If converter clutch is worn, replace torque converter.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1