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Home >> Lexus >> 2010 >> GS 350 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Engine Control System (DTCS P0420 - U0101 & Circuit Tests)) >> SFI System >> DTC P0604: Internal Control Module Random Access Memory (RAM) Error >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs None
Required sensors/Components (main) ECM
Required sensors/Components (sub) None
Frequency of operation Continuous
Duration 16 seconds
MIL operation Immediately
Sequence of operation None