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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (ENGINE CONTROLS - 4.3L - DTCs P0507-P2A04) >> DTC P1121 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.

This diagnostic procedure supports the following DTC:

DTC P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage

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