P2739 2014 GMC Sierra Code - Transmission Control Solenoid Valve 6 Control Circuit High Voltage
Quick Answer
The P2739 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Transmission Control Solenoid Valve 6 Control Circuit High Voltage. Common causes include Faulty transmission control solenoid valve 6, Wiring or connector issues in the transmission control circuit, PCM software issues. 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
- P2739 2014 GMC Sierra indicates Transmission Control Solenoid Valve 6 Control Circuit High Voltage.
- Common causes
- Common causes include Faulty transmission control solenoid valve 6, Wiring or connector issues in the transmission control circuit, PCM software issues.
- 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.
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Code P2739 2014 GMC Sierra Description
The P2739 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Transmission Control Solenoid Valve 6 Control Circuit High Voltage. This code indicates an issue with the electrical circuit that controls the transmission control solenoid valve 6, which is responsible for regulating the flow of transmission fluid within the transmission system. The transmission control solenoid valves play a crucial role in shifting gears smoothly and efficiently.
Common Causes of P2739 2014 GMC Sierra
- Faulty transmission control solenoid valve 6
- Wiring or connector issues in the transmission control circuit
- PCM software issues
- Transmission fluid contamination or low fluid levels
- Electrical system issues affecting the transmission control circuit
Symptoms of P2739 2014 GMC Sierra
- Harsh or delayed shifting
- Erratic shifting patterns
- Transmission slipping
- Transmission stuck in a single gear
- Illuminated Check Engine Light
How to Fix P2739 2014 GMC Sierra
- Diagnose the root cause of the high voltage in the transmission control solenoid valve 6 circuit using a scan tool.
- Inspect the transmission control solenoid valve 6 for any signs of damage or malfunction and replace if necessary.
- Check the wiring and connectors in the transmission control circuit for any damage, corrosion, or loose connections and repair as needed.
- Perform a transmission fluid level and condition check, topping up or replacing fluid if required.
- Clear the DTC from the PCM memory and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P2739 2014 GMC Sierra
The cost of repairing a P2739 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue and the labor rates of the auto repair shop. Typically, the cost of parts for replacing a transmission control solenoid valve 6 can range from $50 to $200, while the labor cost can be between $100 and $300. Overall, the total repair cost for addressing this issue could range from $150 to $500. It is advisable to check with local auto repair shops for more accurate cost estimates based on your specific location and vehicle. Labor rates can vary significantly, with hourly rates typically ranging from $80 to $150.
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Frequently Asked Questions about P2739 2014 GMC Sierra Code
What does OBDII code P2739 mean on a 2014 GMC Sierra?
Code P2739 indicates that the powertrain control module (PCM) has detected high voltage in the control circuit of the Transmission Control Solenoid Valve 6.
What are the symptoms of code P2739 in a 2014 GMC Sierra?
Common symptoms include harsh or delayed shifting, erratic transmission behavior, transmission slipping, reduced fuel efficiency, and the illumination of the check engine light.
What causes the P2739 code to appear?
Potential causes include a faulty transmission control solenoid, damaged or corroded wiring/connectors in the solenoid circuit, a malfunctioning PCM, or low transmission fluid levels.
Can low transmission fluid trigger code P2739?
Yes, low or contaminated transmission fluid can affect solenoid operation and may contribute to triggering this code.
Is it safe to drive with code P2739 active?
Driving with this code may lead to further damage to the transmission. It is recommended to address the issue promptly to avoid costly repairs.
How is P2739 diagnosed on a 2014 GMC Sierra?
A technician will typically use a scan tool to confirm the code, inspect the wiring and connectors, test the solenoid’s resistance, and check the transmission fluid level and quality.
How can I fix the P2739 code on my GMC Sierra?
Repairs may include replacing the faulty solenoid, repairing or replacing damaged wiring, cleaning or resecuring connectors, or reprogramming the PCM if needed.
What tools are required to troubleshoot P2739?
Common tools include an OBDII scanner, a multimeter for testing voltage and resistance, and basic hand tools for accessing the solenoid and wiring.
Can a bad PCM cause the P2739 code?
Yes, although less common, a malfunctioning PCM can misinterpret voltage readings and trigger this code.
How much does it cost to repair code P2739 on a 2014 GMC Sierra?
Repair costs vary but may range from $150 to $500, depending on whether the issue is a solenoid replacement, wiring repair, or PCM reprogramming.
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