P3061moderate severityPowertrain
Shift Quality - Harsh Upshift Detected
on 2010 Lexus SC 430 4.3L V8 · RWD
What this code means
The TCM detected shift quality parameters outside acceptable range during upshifts. Shift flare or bind-up is occurring.
Symptoms
- Check Engine Light
- Harsh 1-2 or 2-3 upshift
- Vehicle jerks during upshift
- Passengers feel impact during shifts
- Delayed then sudden engagement
- Driveline clunk on shifts
Common causes
- Worn shift solenoid
- Incorrect line pressure
- Accumulator piston wear
- Valve body bore wear
- Transmission fluid degradation
Diagnostic steps
- Monitor shift time and quality PIDs
- Check line pressure at each gear
- Inspect shift solenoids electrically
- Review TCM shift adaptation values
- Perform fluid and filter service
Repair notes
Replace shift solenoids or valve body. Transmission fluid service may help in early stages. Reset shift adaptations after repair.
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