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Home >> Buick >> 2003 >> LeSabre Custom, 4T65E/M15 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0719: TCC Brake Switch Circuit - Low Input >> Test Description
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Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 6

    This step isolates the fault between the TCC brake switch and the harness.