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Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Navigation System (Except Hybrid)) >> Navigation System >> DTC 01-21 ROM Error; DTC 01-22 RAM Error >> Description
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DTC 01-21 ROM Error; DTC 01-22 RAM Error: Description

WARNING: This page is about a different car, the 2007 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION

DTC No. DTC Detection Condition Trouble Area
01-21 A malfunction exists in ROM. Radio and navigation assembly
01-22 A malfunction exists in RAM.  
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