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DTC C1554/54 EPS Relay Circuit: Description

When the VGRS ECU detects a malfunction in the power supply relay (located inside the VGRS ECU), the ECU turns on the warning light, records the DTC, and stops VGRS operation.

DTC DETECTION CONDITION

DTC No. DTC Detection Condition Trouble Area
C1554/54 The system detects a malfunction of the power source relay or an open circuit.
  • VGRS fuse
  • VGRS ECU
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