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Home >> Cadillac >> 2007 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L (LH2) - DTC P0340 To DTC P2544 >> DTC P0700 >> Circuit/System Description

Circuit/System Description

This DTC indicates that an emission related transmission DTC has set in the transmission control module (TCM). The engine control module (ECM) turns ON the malfunction indicator lamp (MIL) when the TCM sends a message over the serial data circuit requesting MIL illumination.

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