2003 Mitsubishi Lancer LSFACTORY OEM SERVICE PROCEDURE

Diagnostic Trouble Code Procedures - Except Evolution: DTC: Notes

DTC INDEX

DTC Description
DTC 11  TP Sensor System (Short Circuit)
DTC 12  TP Sensor System (Open Circuit)
DTC 14  TP Sensor System (Maladjusted Sensor)
DTC 15  A/T Fluid Temperature Sensor System (Open Circuit)
DTC 16  A/T Fluid Temperature Sensor System (Short Circuit)
DTC 21  Crankshaft Position Sensor System
DTC 22  Input Shaft Speed Sensor System
DTC 23  Output Shaft Speed Sensor System
DTC 26  Stoplight Switch System
DTC 27  Park/Neutral Position Switch System (Open Circuit)
DTC 28  Park/Neutral Position Switch System (Short Circuit)
DTC 31  Low-Reverse Solenoid Valve System
DTC 32  Underdrive Solenoid Valve System
DTC 33  Second Solenoid Valve System
DTC 34  Overdrive Solenoid Valve System
DTC 36  Torque Converter Clutch Solenoid Valve System
DTC 41  1st Gear Incorrect Ratio
DTC 42  2nd Gear Incorrect Ratio
DTC 43  3rd Gear Incorrect Ratio
DTC 44  4th Gear Incorrect Ratio
DTC 46  Reverse Gear Incorrect Ratio
DTC 52  Torque Converter Clutch System
DTC 53  Torque Converter Clutch is Stuck On
DTC 54  A/T Control Relay System
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.