Dtc 01-21 Rom Error


DESCRIPTION

INSPECTION PROCEDURE

REPLACE RADIO RECEIVER ASSEMBLY

DTC 01-21 ROM Error

DTC 01-22 RAM Error

DTC 01-23 Bus Malfunction

DTC 01-2A Internal Power Supply

DTC 01-2B Internal Hardware

DTC 01-2E EEPROM Error


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
01-21
A malfunction exists in ROM.
Radio receiver assembly
01-22
A malfunction exists in RAM.
01-23
A malfunction exists in the bus.
01-2A
An internal power source malfunction exists.
01-2B
An internal hardware malfunction exists (CPU fan, video decoder malfunction, GVIF IC, MOST [INIC]).
01-2E
A checksum malfunction exists.

INSPECTION PROCEDURE

HINT:
After the inspection is completed, clear the DTCs.
1.REPLACE RADIO RECEIVER ASSEMBLY
  1. Replace the radio receiver assembly (Toyota Fortuner RM000003OQ9003X.html).


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