Toyota Tundra Service Manual: Parts Location

On-vehicle Inspection

Registration

See More:

Toyota Tundra Service Manual > Sfi System: Cruise Control Input Processor (P1607)
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 store a DTC immediately. DTC No. DTC Detection Condition Trouble Ar ...