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2014 MITSUBISHI OUTLANDER
2.4L I4•FWD•CVT•gas
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor489Torque776Fluid7DTC1848Battery1Maintenance0Recalls4
P1221moderate severityPowertrain

Traction Control Vacuum Solenoid Valve Malfunction

on 2014 Mitsubishi Outlander 2.4L I4 · FWD

What this code means

The vacuum solenoid valve used by the traction control system is faulty. This is a Mitsubishi-specific code with no direct generic OBD equivalent.

Symptoms

  • Traction control warning light
  • Reduced traction control function
  • Erratic throttle behavior

Common causes

  • Faulty vacuum solenoid valve
  • Vacuum hose leak
  • Wiring or connector fault
  • Failed control module output

Diagnostic steps

  1. Scan for stored codes
  2. Inspect vacuum hoses for leaks
  3. Test solenoid valve operation and resistance
  4. Check wiring and connectors
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