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DTC Detection Logic

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1091 VVEL actuator motor relay circuit
  • VVEL control module detects the VVEL actuator motor relay is stuck OFF.
  • VVEL control module detects the VVEL actuator motor relay is stuck ON.
  • Harness or connectors (VVEL actuator motor relay circuit is open or shorted.)

    (Abort circuit is open or shorted.)

  • VVEL actuator motor relay
  • VVEL control module
  • ECM
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