What P0750 means
Shift Solenoid A Malfunction
How to diagnose
- Read freeze frame data. When P0750 set, your ECU snapshotted every sensor at that moment. This tells you what the car was doing when the fault triggered — RPM, load, coolant temp, throttle position, fuel trims. Almost always enough info to figure out the cause without further testing.
- Check for related codes. If you have P0750 plus other codes, fix the earliest one in the chain first — a single root cause often triggers multiple codes.
- Cheap fixes first. For most codes, the order is: inspect connectors + wiring (free), check for vacuum leaks (cheap), replace sensor (moderate), replace mechanical part (expensive). Follow that ladder before dropping money on parts.
Manufacturer-specific descriptions
Different manufacturers use P0750 for slightly different failure modes:
| BMW | Shift Solenoid "A" |
| FORD | Shift Solenoid A Malfunction |
| HONDA | Problem in Hydraulic Control System of Shift Solenoid Valve A Circuit |
| MITSUBISHI | Shift Solenoid A Malfunction; LR solenoid |
| NISSAN | Shift Solenoid A Malfunction |
| VOLKSWAGEN | Shift Solenoid A Malfunction |
Read P0750 on your own car
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