p0740 code still coming up?

2006 GMC SIERRA
340,000 MILES • 5.3L • AUTOMATIC
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LORTEGA957
  • MEMBER
  • 5 POSTS
well here's my situation. I just replaced all solenoids and the harness. and a p0740 still coming up. can you guys help me out before I start putting more money
Aug 9, 2026 at 3:22 PM
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