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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Symptom Troubleshooting - Engine (VIN L & VIN M)) >> Check Engine Light Illuminates [SKYACTIV-G] >> Notes

Check Engine Light Illuminates [SKYACTIV-G]: Notes

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CHECK ENGINE LIGHT ILLUMINATES (SKYACTIV-G) DESCRIPTION AND POSSIBLE CAUSE

Troubleshooting item Check engine light illuminates
Description  
  • Check engine light illuminates incorrectly.
    NOTE:
    • If there is a malfunction in the engine system, the PCM stores a DTC and illuminates the check engine light.
Possible cause  
  • Emission system malfunction (DTC is stored in PCM)
  • Short or open circuit in PCM CAN communication line
  • Short or open circuit in instrument cluster CAN communication line
  • Short or open circuit in climate control unit CAN communication line
  • Instrument cluster malfunction
G13729715Courtesy of MAZDA MOTORS CORP.
G13729716Courtesy of MAZDA MOTORS CORP.