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4l80e P1870

Is this normal slip speed at lock up in OD
- jacob_mckellar
- Post #8
- Aug 28, 2023
- Forum: Transmissions
J
4l80e P1870
- jacob_mckellar
- Post #7
- Aug 28, 2023
- Forum: Transmissions
J
4l80e P1870

No I haven’t replaced the internal wiring harness, I did visualize it and inspect it visually nothing seemed off, another thing to note is I also have an o2 sensor code everytime
- jacob_mckellar
- Post #5
- Aug 27, 2023
- Forum: Transmissions
J
4l80e P1870

I replaced the entire valve body with an updated version with updated valves still no change
- jacob_mckellar
- Post #3
- Aug 27, 2023
- Forum: Transmissions
J
4l80e P1870

I have a 1996 c3500 dually with 5.7/4l80e I have code “p1870 transmission component slipping” which causes the trans to go into limp mode and I lose OD and tcc lockup I have replaced the valve body with all solenoids I have replaced input and output speed sensors and even torque converter with...
- jacob_mckellar
- Thread
- Aug 26, 2023
- Replies: 9
- Forum: Transmissions