TRNW-2: 10L80 question

[Ryan D]

Thanks Tod. I can't believe they did this.

On Saturday, April 19, 2025, Tod Chretien via trnw2 <trnw2 at trnw.net> wrote:

> I don't think the wrong fluid will cause that code. Unless the fluid
> already caused a failure.
> DTC P0797
>
> Transmission Control Solenoid Valve 3 Stuck On
> Diagnostic Fault Information
> *Note:*
>
>    - DTC P0796 will set with a hydraulic/mechanical condition or high
>    resistance in the circuit of the component Q77B without setting
>    component/control circuit DTCs.
>    - DTC P0797 will set with a hydraulic/mechanical condition.
>    - The components are listed from the least to the most intrusive to
>    service.
>
> *Component* *DTC* *Condition*
> Q77C Transmission Control Solenoid Valve 3 P0796, P0797
>
>    - Binding, sticking or stuck component: Solenoid Valve
>    - Damaged or missing component:
>       - Retaining Clip
>       - Solenoid Valve
>
>
>    - 2-3-4-5-7-9-10 and 4-5-6-7-8-9-10-Reverse Clutch Regulator Valve
>    - Valve Spring
>    - Valve Body Bore
>
> P0796, P0797
>
>    - Binding, sticking or stuck component: Valve
>    - Debris on the component.
>    - Damaged component:
>       - Valve or Bore — Scored
>       - Spring
>
> 2-3-4-5-7-9-10 Clutch Assembly Oil Feed Circuit P0796, P0797 Blocked or
> restricted component: Screen
> 2-3-4-5-7-9-10 Clutch Assembly P0796, P0797
>
>    - Blocked or restricted component: Fluid/oil passage
>    - Leaking component:
>       - Clutch Piston
>       - Clutch Housing
>       - Gasket
>       - O-Ring
>       - Seal
>    - Binding, sticking or stuck component: Clutch Plates
>    - Damaged or worn component:
>       - Clutch Plates
>       - Clutch Piston
>       - Clutch Housing
>
>
>
> On 4/18/2025 3:59 PM, Ryan D via trnw2 wrote:
>
> I have a shop that put dex 6 in a 10L80. What would this cause? Can the
> fluid be changed to fix it?
> They said it has a code p0797 now.
>
>
> --
> Ryan
>
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>
> --
> Best Regards,
> Tod Chretien
> TRNW inc.https://www.trnw.net
>
>

-- 
Ryan
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