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 MANUALSMITSUBISHI2017MIRAGE G4 ES, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLACTIVE STABILITY CONTROL SYSTEM (ASC)DIAGNOSISDIAGNOSTIC TROUBLE CODE PROCEDURESDTC C1707: IMPLAUSIBLE CODING DATANOTES
2017 Mitsubishi Mirage G4 ES, Automatic CVT Trans
DTC C1707: Implausible coding data: Notes
2017 Mitsubishi Mirage G4 ES, Automatic CVT TransSECTION Notes
CAUTION:
- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to CAN BUS DIAGNOSTICS TABLE ).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When diagnostic trouble code No.C1707 is set in ASC-ECU, the diagnostic trouble code may also be set in ETACS-ECU. When the diagnostic trouble code is set in ETACS-ECU, carry out the diagnosis of the diagnostic trouble code for ETACS-ECU first.
- When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steering wheel sensor and the G and yaw rate sensor (Refer to STEERING WHEEL SENSOR CALIBRATION and HYDRAULIC UNIT INSTALLATION ADJUSTMENT ).
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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.