P1103 — Turbocharger Wastegate Actuator
CAUTIONIs it safe to drive? Drive gently and get it looked at soon — it can worsen or fail inspection.
What P1103 means
This is a manufacturer-specific code — its meaning depends on the vehicle’s make (see below).
What P1103 means on specific makes
Mitsubishi CAUTION
Fault in the turbo wastegate actuator on turbocharged Mitsubishis (e.g., Eclipse/Evo/Lancer GTS). Affects boost control; can cause over/under-boost and reduced power.
- Failed wastegate actuator / stuck wastegate
- Boost control solenoid issue
- Vacuum/boost line leak
- Connector/wiring fault
Check first: Check the wastegate actuator movement and boost-control plumbing; verify the boost solenoid. P1104 covers the wastegate solenoid circuit.
Source: troublecodes.net/mitsu, ricksfreeautorepairadvice.com/mitsubishi-obd2-codes