P0751 Subaru Code - Shift Solenoid 'A' Performance or Stuck Off
Quick Answer
Shift solenoid valve A is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'A' valve. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0751 Subaru indicates Shift Solenoid 'A' Performance or Stuck Off.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'A' valve.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0751 Subaru Description
What are the Possible Causes of the DTC P0751 Subaru?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 'A' valve
- Shift solenoid 'A' valve harness or connectors
- Shift solenoid 'A' valve circuit is open or shorted
How to Fix the DTC P0751 Subaru?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0751 Subaru code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0751 Subaru code?
Need more information on how to fix the P0751 Subaru code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0751 Subaru code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0751 Subaru Code
What does the OBDII code P0751 mean for a Subaru?
P0751 indicates a problem with the transmission's Shift Solenoid 'A,' which may be stuck off or not performing correctly, affecting gear shifting.
What are the common symptoms of code P0751 in a Subaru?
Symptoms include harsh or delayed shifting, inability to shift gears, transmission slipping, reduced fuel efficiency, and possibly a Check Engine Light.
What causes the P0751 code in a Subaru?
Common causes include a faulty shift solenoid 'A,' low transmission fluid, electrical issues such as damaged wiring or connectors, or internal transmission problems.
Can driving with code P0751 damage the transmission?
Yes, prolonged driving with this issue can cause further damage to the transmission and lead to more expensive repairs.
How can I fix the P0751 code on my Subaru?
Repairs may include replacing the shift solenoid 'A,' refilling or flushing the transmission fluid, repairing damaged wiring, or addressing internal transmission issues.
How do you diagnose code P0751 in a Subaru?
Diagnosis involves scanning the vehicle for codes, checking the transmission fluid level and condition, inspecting wiring and connectors, and testing the shift solenoid's operation.
Does the P0751 code require professional repair?
While basic checks like fluid inspection can be done at home, solenoid replacement or internal transmission repairs are best handled by a professional.
Is it expensive to fix the P0751 code on a Subaru?
Costs vary depending on the cause but typically range from $200 to $500 for solenoid replacement. Internal transmission repairs may be significantly higher.
Can low transmission fluid cause the P0751 code?
Yes, insufficient or contaminated transmission fluid can lead to solenoid malfunction and trigger the P0751 code.
How can I prevent the P0751 code from occurring?
Regular transmission maintenance, including fluid changes and inspections, can help prevent solenoid issues and avoid the P0751 code.
Discuss the causes and fixes for P0751 Subaru OBDII Code
Code P0751 Subaru comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
