Dtc code p062d &p1603 lexus isF 2008 model v8

Question

I start car 5,10 second after engine stop.check engine light coming

Answer 1

P062D Fuel injector driver circuit performance Bank 1

This fault code is with the injector driver , switch out the injector from Bank 1 to Bank 2, If the code moves replace the injector driver, As for P1603 this is TCU communication error. this code may not apply to you unless you meant P1630 which is for the cruise control.