P2119moderate severityPowertrain
Throttle Actuator Control Throttle Body Range/Performance
on 2004 Cadillac STS 4.6L V8 · RWD
What this code means
The throttle body is not achieving commanded positions within expected tolerance.
Symptoms
- Hesitation
- Check engine light
- Rough idle
- Inconsistent throttle feel
Common causes
- Worn throttle body bore
- Carbon deposits
- TPS drift
- Weak motor
Diagnostic steps
- Monitor TPS vs commanded position
- Clean throttle body
- Check for mechanical issues
Repair notes
Clean throttle body. Replace if worn beyond tolerance.
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