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Home >> Ford >> 1995 >> Probe Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Diagnosis - Cd4E) >> Self-Diagnostic System >> Additional System Functions >> Hardware Limited Operational Strategy (HLOS)

Hardware Limited Operational Strategy (HLOS)

WARNING: This page is about a different variant/trim than selected.

If a number of system or sensor failures are present and PCM is not receiving enough information to operate, PCM will switch to HLOS mode. PCM will output fixed values to allow operation of vehicle. Driveability concerns will be present. PCM will not output service codes in this mode.

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