P2729 2014 GMC Sierra Code - Pressure Control Solenoid Valve 5 Control Circuit Low Voltage
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
- P2729 2014 GMC Sierra indicates Pressure Control Solenoid Valve 5 Control Circuit Low Voltage.
- 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 P2729 2014 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Module detects a short to ground on the clutch pressure control solenoid valve 5 control circuit for 1 s.
What are the Possible Causes of the DTC P2729 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 P2729 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 P2729 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.
Need more information about the P2729 2014 GMC Sierra code?
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Frequently Asked Questions about P2729 2014 GMC Sierra Code
1. What does OBDII code P2729 mean on a 2014 GMC Sierra?
P2729 indicates a problem with the Pressure Control Solenoid Valve 5 control circuit, specifically low voltage, which can affect the transmission's operation.
2. What are the common symptoms of code P2729 in a 2014 GMC Sierra?
Symptoms may include harsh or delayed shifting, slipping gears, transmission overheating, reduced fuel efficiency, or the vehicle entering limp mode.
3. What causes code P2729 in a 2014 GMC Sierra?
Common causes include a faulty pressure control solenoid, damaged wiring or connectors in the control circuit, a malfunctioning transmission control module (TCM), or low transmission fluid.
4. Can low transmission fluid cause code P2729?
Yes, low or contaminated transmission fluid can cause improper solenoid operation, leading to this code.
5. How do I fix code P2729 on my 2014 GMC Sierra?
Repairs may include replacing the faulty solenoid, repairing or replacing damaged wiring or connectors, updating or reprogramming the TCM, or refilling transmission fluid to the correct level.
6. How is code P2729 diagnosed in a 2014 GMC Sierra?
A mechanic will use a scan tool to confirm the code, inspect the transmission wiring and connectors, test the solenoid’s resistance, and check the transmission fluid level and condition.
7. Can driving with code P2729 damage the transmission?
Yes, continuing to drive with this code can cause further damage to the transmission due to improper shifting or overheating.
8. How much does it cost to repair code P2729 in a 2014 GMC Sierra?
Repair costs can range from $200 to $800 or more, depending on whether the solenoid, wiring, or TCM needs replacement.
9. Is code P2729 covered under a powertrain warranty for a 2014 GMC Sierra?
It may be covered if the vehicle is still under a valid powertrain warranty. Check with your GMC dealership for specific warranty coverage.
10. Can a software update fix code P2729 on a 2014 GMC Sierra?
In some cases, a software update for the TCM may resolve the issue if it’s caused by a programming error.
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