P0757: Shift Solenoid "B" Stuck On

P0757 means Shift Solenoid "B" Stuck On. Shift solenoids route fluid in the valve body to select gears. Shift solenoid "B" appears to be stuck applied.

CodeP0757
SystemTransmission
SeverityHigh
TypeGeneric powertrain

Can I keep driving? Limit driving and diagnose promptly. Continued driving can cause damage, stalling or limp mode.

Common symptoms

  • Check engine light on
  • Stuck in one gear (limp mode)
  • Harsh or missing shifts
  • Delayed engagement

Possible causes

  • Failed shift solenoid
  • Wiring or connector fault
  • Low or contaminated fluid
  • Valve body problem

How to diagnose P0757

  1. Check fluid level and condition first.
  2. Inspect the transmission connector for fluid intrusion.
  3. Measure solenoid resistance and command the solenoid with a scan tool.
  4. Valve body work may be needed if electrical tests pass.

What the code means, digit by digit

PPowertrain0Generic (SAE) code7Sub-system57Specific fault

Generic codes have the same definition on every OBD-II vehicle (petrol cars from model year 1996 in the US, 2001 in the EU; diesels later). Manufacturers can add their own enhanced codes; those are not listed here.

Related codes

General guidance only. Fault codes describe what the engine computer saw, not which part failed: confirm with testing before replacing parts, and follow the vehicle's service information.