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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 2.4L - DTC P0628 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P150C: Transmission Control Module Engine Speed Request Signal Message Counter >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The ECM detects that the TCM engine speed request does not match the expected engine speed request.

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