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DTC 01-21 ROM Error; DTC 01-22 RAM Error: Description

DTC DETECTION CONDITION CHART

DTC Code DTC Detection Condition Trouble Area
01-21 A malfunction exists in the ROM.
  • Display and navigation module display(1)
  • Multi-display assembly(2)
01-22 A malfunction exists in the RAM.
(1) w/ Navigation System
(2) w/o Navigation System
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