What are the common causes of P0796?

A pressure control solenoid C stuck off. Dirty fluid blocking the solenoid C valve. A clogged transmission fluid filter. An open in the solenoid C circuit. A failed PCM driver on the solenoid C channel.

Read pressure control solenoid C data on a scan tool. Command the solenoid C on and watch line pressure. Test the solenoid C circuit for an open. Check the fluid level and filter. Replace the solenoid if it will not actuate. Clear the code and retest.

P0796

Pressure Control Solenoid C Performance/Stuck Off

System: Transmission (P code)
Lamp: Check Engine Light
Category: Powertrain - Transmission

What it means

P0796 means Pressure Control Solenoid C Performance/Stuck Off.

Where it lives

For P0796, the description names the solenoid as the part involved.

Check these first

A pressure control solenoid C stuck off
Dirty fluid blocking the solenoid C valve
A clogged transmission fluid filter
An open in the solenoid C circuit
A failed PCM driver on the solenoid C channel

What to do next

Read pressure control solenoid C data on a scan tool
Command the solenoid C on and watch line pressure
Test the solenoid C circuit for an open
Check the fluid level and filter
Replace the solenoid if it will not actuate
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.