P0757 GMC Code - Shift Solenoid Valve 2 Performance Stuck On
Quick Answer
The transmission fluid pressure switch, also known as the pressure switch manifold, is a multiple switch assembly made up of 3 normally open pressure switches and 1 normally closed pressure switch. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Control Solenoid Valve Assembly. 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
- P0757 GMC indicates Shift Solenoid Valve 2 Performance Stuck On.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Control Solenoid Valve Assembly.
- 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 P0757 GMC Description
What are the Possible Causes of the DTC P0757 GMC?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Control Solenoid Valve Assembly
- Control Solenoid Valve Assembly harness or connectors
- Control Solenoid Valve Assembly circuit is open or shorted
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P0757 GMC?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0757 GMC 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 P0757 GMC code?
Need more information on how to fix the P0757 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0757 GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P0757 2014 GMC Sierra — Shift Solenoid Valve 2 Performance Stuck On
- P0757 2015 GMC Sierra — Shift Solenoid Valve 2 Performance Stuck On
- P0757 2016 GMC Sierra — Shift Solenoid Valve 2 Performance Stuck On
- P0757 2017 GMC Sierra — Shift Solenoid Valve 2 Performance Stuck On
- P0757 2018 GMC Sierra — Shift Solenoid Valve 2 Performance Stuck On
Frequently Asked Questions about P0757 GMC Code
1. What does the OBDII code P0757 mean on a GMC vehicle?
The P0757 code indicates that the Shift Solenoid Valve 2 is stuck in the "on" position, which affects the transmission's ability to shift properly.
2. What are common symptoms of the P0757 code in a GMC?
Symptoms may include harsh or delayed gear shifting, transmission slipping, poor fuel economy, and the check engine light turning on.
3. What causes the P0757 code to trigger in a GMC?
Common causes include a faulty shift solenoid, dirty or low transmission fluid, a clogged transmission fluid filter, or internal transmission damage.
4. Can driving with the P0757 code damage my GMC's transmission?
Yes, driving with this code can lead to further damage to the transmission if the issue is not addressed promptly.
5. How do I diagnose the P0757 code on my GMC?
Diagnosis involves checking the transmission fluid level and condition, inspecting the shift solenoid and related wiring, and performing a scan tool test to monitor solenoid operation.
6. How can I fix the P0757 code on my GMC?
Repairs may include replacing the faulty shift solenoid, flushing and refilling the transmission fluid, replacing the transmission filter, or addressing internal transmission issues.
7. What transmission fluid issues can cause the P0757 code in a GMC?
Low, dirty, or contaminated transmission fluid can cause the shift solenoid to stick, triggering the P0757 code.
8. Is the P0757 code specific to GMC vehicles?
No, the P0757 code is a generic OBDII code applicable to many vehicles, but the specific symptoms and repairs may vary by make and model.
9. How much does it cost to repair the P0757 code on a GMC?
Repair costs can vary widely but may range from $150 to $400 for solenoid replacement or fluid service, with higher costs if transmission rebuilding is required.
10. Can I reset the P0757 code without fixing the issue?
You can clear the code temporarily with a scan tool, but it will likely return if the underlying problem is not resolved.
Discuss the causes and fixes for P0757 GMC OBDII Code
-
Nothing is certain, but have your check the transmission fluid level and condition? If the fluid is clean, there are not other symptoms and the level is OK, then replacing the solenoid will more than likely fix the problem.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
