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Home >> Buick >> 2017 >> LaCrosse Essence >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U18AA: Transmission Range Control Module Lost Communication with Engine Control Module >> Conditions for Running the DTC

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Conditions for Running the DTC

The system voltage is between 9 - 16 V.

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