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Lexus
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2009
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IS 250 AWD
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System (DTCS P0420 - U0101 & Circuit Tests)
›
SFI System
›
DTC P0604: Internal Control Module Random Access Memory (RAM) Error
›
Monitor Strategy
Monitor Strategy
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