Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2005LANCER L4-2.4L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULETECHNICAL SERVICE BULLETINSENGINE CONTROLS - PCM VIN WRITING INFORMATION
2005 Mitsubishi Lancer L4-2.4L SOHC
Engine Controls - PCM VIN Writing Information
2005 Mitsubishi Lancer L4-2.4L SOHCSECTION Engine Controls - PCM VIN Writing Information
No: TT-121-00-001
DATE: December 2005
MODEL: See Below
SUBJECT
CHECK DIGIT ERROR MESSAGE DURING PCM VIN WRITING
Check Digit Error Message During PCM VIN Writing - 2005-on models. When using the MUT-III PC keyboard to enter a VIN during VIN programming, it must be done with the CAPS LOCK button depressed, so that all letters are in upper case. If you use lower case, you may receive the following error message: "Check Digit Error. The VIN writing was not performed because the check digit is invalid. Please input NEW VIN correctly and execute again."
DATE: December 2005
MODEL: See Below
SUBJECT
CHECK DIGIT ERROR MESSAGE DURING PCM VIN WRITING
Check Digit Error Message During PCM VIN Writing - 2005-on models. When using the MUT-III PC keyboard to enter a VIN during VIN programming, it must be done with the CAPS LOCK button depressed, so that all letters are in upper case. If you use lower case, you may receive the following error message: "Check Digit Error. The VIN writing was not performed because the check digit is invalid. Please input NEW VIN correctly and execute again."
RENDER: 1.0x
NO RELATED
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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.