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Home >> Lexus >> 2013 >> IS 250 Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P062F - U0101) & Circuit Tests)) >> SFI System >> DTC P1607: Cruise Control Input Processor >> Monitor Description

Monitor Description

The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and set a DTC immediately.

DTC No. DTC Detection Condition Trouble Area
P1607 ECM CPUs malfunction (1 trip detection logic) ECM