Inspection Guide
- Communication error could be solved with power reset.
- Disconnect battery wire of trunk, and reconnect them.
- If the trouble continues after performing the procedure above, go to the inspection guide below.
Corrective Measure
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- Replace the IFS board (unit) and see if the DTC present.
- If the DTC present again after replacing IFS board, replace LH head lamp module (ILCU).
- If the trouble continues after replacing head lamp module (ILCU) and IFS board unit, replace LH head lamp A'SSY.