Code Definition

P0757 — Shift Solenoid B Stuck On

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

About P0757

P0757 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 P0757 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 P0757 is set when the Transmission Control Module (TCM) detects that shift solenoid 'B' is stuck in the 'on' position. This condition indicates that the solenoid is continuously engaged, leading to unregulated hydraulic fluid flow, which is crucial for gear shifting. This can result in various issues, including the transmission being stuck in a particular gear, experiencing harsh or improper shifting, or failing to shift into higher gears properly.

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