Code Definition

P075B — Shift solenoid G stuck off

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

About P075B

P075B 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 P075B 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 transmission control module commands shift solenoid G on and off to route pressurised fluid within the valve body to the clutch packs and bands that engage a given ratio. The module verifies that each commanded shift actually happened by comparing input and output shaft speed ratios and by monitoring line and clutch pressure sensors. DTC P075B, shift solenoid G stuck off, sets when the module energises the solenoid but the expected hydraulic change never occurs, meaning the solenoid valve has failed to open or has jammed in its de energised position. Unlike a circuit fault, the electrical ...

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