Code Definition

P0987 — Transmission Fluid Pressure Sensor/Switch E Circuit

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

About P0987

P0987 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.

When P0987 is stored, the module has detected a sensor-related fault — the reported value from the named sensor is out of spec.

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 P0987 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 P0987 fault code is set when the control module detects an issue in the Transmission Fluid Pressure Sensor/Switch E Circuit. This sensor or switch is part of the transmission system and is crucial for monitoring the hydraulic pressure in a specific part of the transmission. The fault indicates a problem with the signal from the sensor or switch, which could be due to a malfunction of the sensor/switch itself, wiring issues, or problems with the control module. Accurate monitoring of transmission fluid pressure is essential for the proper operation of the transmission, as it affects gear sh...

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