GMC Sierra P Codes (Powertrain) P1100 - P1199 P1125

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Check Engine Light Code P1125

2004 GMC SIERRA
I Have An 04 Sierra 5.3l With A Check Engine Light A Reduced Power Message Being Displayed The Error Comes Up As P1125. Any Suggestions?
1 ANSWER
Asked by fcapp

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P1125P1154

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