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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Controls - 3.6L - Diagnosis (DTC P0351 - P1014)) >> Diagnosis >> DTC P0638 >> DTC Descriptor

DTC Descriptor

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This diagnostic procedure supports the following DTC.

DTC P0638 Throttle Actuator Control (TAC) Command Performance

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