P2764high severityPowertrain
Torque Converter Clutch Pressure Control Solenoid Stuck Off
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
What this code means
The TCC pressure control solenoid is stuck in the off position.
Symptoms
- No torque converter lockup
- Higher RPM at highway speed
- Poor fuel economy
- Overheating transmission
Common causes
- Failed solenoid
- Contaminated fluid blocking valve
- Valve body stuck
Diagnostic steps
- Command TCC operation with scan tool
- Check for fluid contamination
- Pressure test
Repair notes
Replace solenoid. Check for debris in valve body.
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