Error code
OBD2 P0243
OBD2P0243
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Turbo/Super Charger Wastegate Solenoid 'A'.
Severity
moderateCan drive, but performance may be affected and there's a risk of engine damage if not addressed.
Summary
P0243 indicates a malfunction in the circuit controlling the turbocharger wastegate regulating valve A, which helps manage boost pressure.
Symptoms
- Check engine light is on
- Decreased performance or power
Common Causes
- Damaged wiring or connectors
- Faulty wastegate control valve
- Defective vacuum hoses/lines
- Failed boost pressure sensor
- Defective MAP (Manifold Absolute Pressure) sensor
Diagnosis
- Inspect wiring and connectors for the wastegate control valve
- Check vacuum hoses/lines for splits or dislodgements
- Test the wastegate control valve
- Verify functionality of boost pressure sensor and MAP sensor
Fixes
- Replace faulty components such as wiring, connectors, wastegate control valve, vacuum hoses/lines, or sensors
FAQ
What does P0243 mean?
P0243 indicates a malfunction in the circuit controlling the turbocharger wastegate regulating valve A.
How serious is P0243?
Moderately serious. It can affect engine performance and potentially cause damage if not fixed.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0200Injector Circuit/Open
- P0201Injector Circuit/Open - Cylinder 1
- P0202Injector Circuit/Open - Cylinder 2
- P0203Injector Circuit/Open - Cylinder 3
- P0204Injector Circuit/Open - Cylinder 4
- P0205Injector Circuit/Open - Cylinder 5
- P0206Injector Circuit/Open - Cylinder 6
- P0207Injector Circuit/Open - Cylinder 7
- P0208Injector Circuit/Open - Cylinder 8
- P0209Injector Circuit/Open - Cylinder 9
- P0210Injector Circuit/Open - Cylinder 10
- P0211Injector Circuit/Open - Cylinder 11