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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 165 (Engine Controls And Fuel - 2.7L (L3B) - Diagnostic Information And Procedures (1 Of 3)) >> Diagnostic Information and Procedures >> DTC P00FF, P0700, P25A2, or P26C8 >> Circuit/System Description

Circuit/System Description

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The DTC is an informational DTC. The DTC indicates an emission related DTC set in the following control module:

The control module K20 turns on the malfunction indicator lamp (MIL) when the requesting control module sends a message over serial data.

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