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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMITSUBISHI2012LANCER RALLIARTREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESWIRELESS CONTROL MODULE (WCM) - LANCERDIAGNOSISDIAGNOSTIC TROUBLE CODE PROCEDURESDTC B1731: ENGINE CONTROL MODULE COMMUNICATION TIMEOUTDTC SET CONDITION
2012 Mitsubishi Lancer Ralliart
DTC Set Condition
2012 Mitsubishi Lancer RalliartSECTION DTC Set Condition
WCM checks that the engine control module data has been received via the CAN bus lines, and if not, sets the DTC No. B1731.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.