Code Definition

P0867 — Transmission Fluid Pressure signal error

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0867

P0867 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0867 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The P0867 fault code is set when the vehicle's control module detects an error in the transmission fluid pressure signal. This code indicates a malfunction related to the signal that monitors the pressure of the transmission fluid, a critical aspect for the proper functioning of the transmission system. The error can be due to an incorrect, erratic, or non-existent signal from the transmission fluid pressure sensor. This can lead to improper transmission operation, as the control module relies on accurate fluid pressure readings to regulate gear shifting and manage the transmission's operation...

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