P0243moderate severityPowertrain
Turbocharger/Supercharger Wastegate Solenoid A
on 2005 Cadillac CTS 2.8L V6 · RWD
What this code means
Malfunction in the wastegate solenoid A.
Symptoms
- Check Engine Light
- Overboosting or underboosting
- Limp mode
Common causes
- Faulty wastegate solenoid
- Wiring damage
- Stuck wastegate
Diagnostic steps
- Test solenoid resistance
- Check wiring
- Inspect wastegate
Repair notes
Replace wastegate solenoid.
Other Powertrain codes on this vehicle
P0001
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P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
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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