my 94 Lexus es300 is showing code p1600 for ecm batt I have not found any information on it and I don't now what it means or how to fix it if anyone has any instructions on how to find this problem and fix it.. I can finally smog my. car but I can't till this problem is fixed witch I have no clue how to do... please help
Hi there,
This code points towards an issue with the power getting to the ECM. Here is a list of possible causes and things you should check to solve the problem.
P1600 LEXUS - ECM BATT Malfunction Read more: https://www.autocodes.com/p1600_lexus.html
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