TL V6-3.2L (2004)
-3 Loss of communication DTCs (begining with the lowest number first; for example, if B1006 and B1059 are retrieved, troubleshoot B1006 first)
-4 Signal error DTCs
4. If no DTCs are retrieved, use B-CAN System Diagnosis Test Mode 2 to check all inputs related to failure.
Loss of Communication DTC cross-reference chart
When an ECU is unable to communicate with the other ECUs on the circuit, the other units will set loss of communication DTCs. Use this chart to find
the control unit that is not communicating
1. Find the Transmitting Unit that is in the same row as all of the loss of communication DTCs retrieved.
2. Perform the input test for the transmitting unit
