p1870
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p1870 code after I replaced Valvebody. I need help and answers.
97’ Gmc k1500 4l60e This is my first truck and I can’t afford to bring it into a shop. truck shot the p1870 code few months ago and had hard 1-2 shift, I then replaced TCC Valve with a fitzall part and all shift solenoids. it fixed my problem for a few months then the code showed up again. i...- bmw1997
- Thread
- #help 1-2 shift 4l60e p1870 transmission problem
- Replies: 2
- Forum: Transmissions
