REMOVAL PROCEDURE 1. REMOVE V-BANK COVER SUB-ASSEMBLY 2. REMOVE AIR CLEANER HOSE ASSEMBLY 3. DRAIN ENGINE COOLANT
4. DISCONNECT NO. 12 WATER BY-PASS HOSE
5. DISCONNECT NO. 13 WATER BY-PASS HOSE
6. REMOVE EGR VALVE ASSEMBLY
7. REMOVE EGR INLET
8. REMOVE NO. 3 EGR PIPE SUB-ASSEMBLY
9. REMOVE EGR VALVE BRACKET
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Toyota Tundra Service Manual > Can Communication System: Lost Communication with Gateway Module (U1002)
DESCRIPTION The main body ECU (multiplex network body ECU) stores this DTC when no signals can be received from the ECUs that have been memorized as those connected to the sub bus 1. When the main body ECU (multiplex network body ECU) receives a response signal from the ECUs connected to the sub bus ...