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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (Engine Controls - 5.7L - Diagnosis (DTC P0601- P2135)) >> Engine Controls Diagnosis >> DTC U0107 >> Diagnostic Aids

Diagnostic Aids

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IMPORTANT: Reprogramming the PCM may cause a communication error between the PCM and the TAC. If the PCM detects a communication error, DTC U0107 sets. Clear any DTCs from the memory that may have been set by reprogramming.