P2728 2014 GMC Sierra Code - Pressure Control Solenoid Valve Performance
Quick Answer
The pressure control solenoid 5 is part of the control solenoid valve assembly which has no serviceable parts. 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
- P2728 2014 GMC Sierra indicates Pressure Control Solenoid Valve Performance.
- 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 P2728 2014 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Module detects an internal electrical performance malfunction of the clutch pressure control solenoid valve 5 control circuit where the measured clutch pressure control solenoid valve 5 current does not equal the commanded clutch pressure control solenoid valve 5 current for 5 s.
What are the Possible Causes of the DTC P2728 2014 GMC Sierra?
- 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
How to Fix the DTC P2728 2014 GMC Sierra?
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 P2728 2014 GMC Sierra 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.
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Frequently Asked Questions about P2728 2014 GMC Sierra Code
1. What does the OBDII code P2728 mean on a 2014 GMC Sierra?
P2728 indicates an issue with the pressure control solenoid valve, typically related to performance problems or improper hydraulic pressure regulation in the transmission.
2. What are the common symptoms of code P2728 in a 2014 GMC Sierra?
Symptoms may include harsh or delayed shifting, transmission slipping, poor fuel economy, or the vehicle entering limp mode. The check engine light will also be illuminated.
3. What causes the P2728 code to appear on a 2014 GMC Sierra?
Common causes include a faulty pressure control solenoid, dirty or low transmission fluid, a damaged transmission valve body, or wiring and connector issues in the transmission circuit.
4. Can I drive my 2014 GMC Sierra with the P2728 code?
It's not recommended to drive with this code active for an extended period, as it could cause further damage to the transmission.
5. How do I fix the P2728 code on a 2014 GMC Sierra?
Repairs may include replacing the pressure control solenoid, flushing and refilling the transmission fluid, repairing damaged wiring or connectors, or in severe cases, rebuilding the transmission.
6. How can I diagnose the P2728 code on my 2014 GMC Sierra?
Use an OBDII scanner to confirm the code, inspect the transmission fluid for contamination, check the wiring and connectors for damage, and test the pressure control solenoid for proper function.
7. How much does it cost to repair code P2728 on a 2014 GMC Sierra?
Costs can vary widely, from $150–$400 for solenoid replacement to $1,500–$3,000 for major transmission repairs, depending on the severity of the issue.
8. Can low transmission fluid cause the P2728 code on a 2014 GMC Sierra?
Yes, low or dirty transmission fluid can cause improper pressure regulation, leading to the P2728 code.
9. Will resetting the code fix the P2728 issue on my 2014 GMC Sierra?
Resetting the code without addressing the underlying problem will not fix the issue and the code is likely to return.
10. How often should I check my transmission fluid to prevent the P2728 code?
It’s a good practice to check your transmission fluid level and condition every 30,000–60,000 miles or as recommended in your owner’s manual.
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