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If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of COMMUNICATION DIAGNOSIS: DIAGNOSTIC TROUBLE CODE CHART - COMMUNICATION DIAGNOSIS DTC Code Detection Item Trouble Area 01-21 ROM Error Radio receiver 01-22 RAM Error Radio receiver 01-D5 Absence of Registration Unit 1. Power source circuit of the component shown by the 2. AVC-LAN circuit between the radio receiver and the 3. Component shown by the subcode 01-D6 No Master 1. Radio receiver power source circuit 2. Power source circuit of the component which has stored 3. AVC-LAN circuit between the radio receiver and the 4. Component which has stored this code 5. Radio receiver 01-D7 Connection Check Error 1. Radio receiver power source circuit 2. Power source circuit of the component which has stored 3. AVC-LAN circuit between the radio receiver and the 4. Component which has stored this code 5. Radio receiver 1. Power source circuit of the
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra
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