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P0867 Generic (SAE) Basic entry

Transmission Fluid Pressure

Updated 2026-10-02 · Transmission

Severity
Medium
Typical repair cost
60 – 500 EUR
System
Powertrain

What it means

P0867 is defined as "Transmission Fluid Pressure". the engine control module stores it when the monitored condition for this component or system is outside the limits programmed by the manufacturer.

This entry is compiled automatically from the standard definition and typical diagnostic practice for this type of fault. A detailed, reviewed article is in preparation.

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Symptoms

  • Check engine or transmission warning light
  • Harsh, delayed or missing shifts
  • Transmission stuck in one gear (limp mode)
  • Shuddering or slipping under load

Common causes

  1. Transmission Fluid Pressure worn, contaminated or out of calibration
  2. Mechanical problem in the system the sensor measures
  3. Air, vacuum or exhaust leak influencing the reading
  4. Wrong or low-quality replacement part
  5. Wiring resistance causing a small voltage offset

How to diagnose

  1. Compare the live Transmission Fluid Pressure reading with a known-good value or a second sensor at idle and at 2500 rpm
  2. Check for air, vacuum or exhaust leaks that could skew the reading
  3. Inspect the component for contamination and clean it if the design allows
  4. Verify the part number is correct for the engine
  5. Replace the Transmission Fluid Pressure if the reading remains out of specification

Frequently asked questions

Can I keep driving with P0867?

Usually yes for a short time, but expect reduced performance or higher fuel use. Have it diagnosed within a few days.

Will clearing P0867 fix it?

No. Clearing only erases the stored code; it returns as soon as the monitor runs again unless the cause is repaired.

Related codes

P0868P0869

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