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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 411 (Cruise Control System - Diagnostics) >> Circuit Inspection >> DTC P0607/54: Control Module Performance >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus GS 430 and 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check and replace ECM (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
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