P0868 — Transmission Fluid Pressure Low
Category: Powertrain Severity: High
Updated:
DTC code P0868 means: Transmission Fluid Pressure Low. It falls under the "Powertrain" category, with an estimated severity of High. Common causes include low ATF or a leak, clogged transmission filter and worn transmission pump; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Low ATF or a leak
- Clogged transmission filter
- Worn transmission pump
- Failed pressure control solenoid
Symptoms
- Delayed engagement into D or R
- Slipping
- Limp mode
- Check engine light
How to diagnose it step by step
- Check ATF level and leaks.
- Change the filter and fluid.
- Measure line pressure.
- Check the pump and pressure solenoid.
How to fix it
Check the ATF level and look for leaks. If the level is correct, change the filter and fluid; if it persists, the pump or pressure solenoid is suspect.
Estimated repair cost
Filter and ATF: $200–450. Solenoid: $150–400. Pump: $1,000–2,500.
Frequently asked questions
What does DTC code P0868 mean?
Transmission Fluid Pressure Low.
Is code P0868 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code P0868?
Not recommended: low pressure burns the clutches.
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