Code Definition

P0774 — Shift Solenoid E Intermittent

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

About P0774

P0774 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 P0774 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 fault code P0774 is activated when the transmission control module (TCM) or the engine control module (ECM) in vehicles with integrated control systems identifies intermittent functioning of shift solenoid 'E'. This indicates that the solenoid, which manages the flow of hydraulic fluid necessary for gear engagement and disengagement, is not operating consistently. Intermittent issues with a solenoid can be challenging to diagnose, as they might result from fluctuating electrical connections, sporadic solenoid malfunctions, or varying transmission fluid conditions. Such irregular behaviour ...

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