P2738 2018 Chevrolet Silverado Code - Transmission Control Solenoid Valve 6 Control Circuit Low Voltage
Quick Answer
The P2738 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado relates to the Transmission Control Solenoid Valve 6 Control Circuit Low Voltage. Common causes include Faulty transmission control solenoid valve, Wiring issues or loose connections in the control circuit, Malfunctioning transmission control module (TCM). 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
- P2738 2018 Chevrolet Silverado indicates Transmission Control Solenoid Valve 6 Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty transmission control solenoid valve, Wiring issues or loose connections in the control circuit, Malfunctioning transmission control module (TCM).
- 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 P2738 2018 Chevrolet Silverado Description
The P2738 diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado relates to the Transmission Control Solenoid Valve 6 Control Circuit Low Voltage. This code indicates that there is an issue with the transmission control solenoid valve that is responsible for regulating the flow of transmission fluid in the transmission system. In this case, the control circuit for solenoid valve 6 is reporting low voltage, which can lead to a variety of transmission-related problems.
Common Causes of P2738 2018 Chevrolet Silverado
- Faulty transmission control solenoid valve
- Wiring issues or loose connections in the control circuit
- Malfunctioning transmission control module (TCM)
- Electrical problems such as shorts or open circuits
- Corrosion or damage to the transmission control solenoid valve
Symptoms of P2738 2018 Chevrolet Silverado
- Harsh or delayed shifting
- Erratic transmission behavior
- Transmission slipping
- Failure to shift gears properly
- Poor acceleration and fuel efficiency
How to Fix P2738 2018 Chevrolet Silverado
- Diagnose the exact cause of the low voltage in the control circuit for solenoid valve 6 using a scan tool to retrieve the DTC and perform electrical testing.
- Inspect the wiring harness and connections for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the transmission control solenoid valve 6 for proper operation and replace if found to be faulty.
- Check the transmission control module (TCM) for any malfunctions and reprogram or replace if needed.
- Clear the DTC and test drive the vehicle to ensure that the transmission is shifting correctly and the code does not reappear.
Cost to Fix P2738 2018 Chevrolet Silverado
The typical repair costs for addressing the P2738 code on a 2018 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It's recommended to obtain local quotes for a more accurate estimate.
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Frequently Asked Questions about P2738 2018 Chevrolet Silverado Code
1. What does the OBDII code P2738 mean on a 2018 Chevrolet Silverado?
P2738 indicates a low voltage issue in the control circuit for Transmission Control Solenoid Valve 6, which regulates hydraulic pressure in the transmission.
2. What are the common symptoms of code P2738 in a 2018 Chevrolet Silverado?
Symptoms may include harsh shifting, slipping gears, the transmission being stuck in one gear, reduced fuel efficiency, or the check engine light being illuminated.
3. What causes the P2738 code to appear on a 2018 Chevrolet Silverado?
Common causes include a faulty solenoid, damaged wiring, corroded connectors, low transmission fluid, or a malfunctioning transmission control module.
4. Can I continue driving my 2018 Chevrolet Silverado with code P2738?
While the vehicle may still be drivable, continuing to drive with this issue can lead to further transmission damage and should be addressed as soon as possible.
5. How do I fix the P2738 code on a 2018 Chevrolet Silverado?
Repairs may involve replacing the faulty solenoid, repairing or replacing damaged wiring or connectors, replenishing transmission fluid, or reprogramming/updating the transmission control module.
6. How do I diagnose the P2738 code on my 2018 Chevrolet Silverado?
Diagnosis involves scanning for codes, visually inspecting the wiring and connectors, testing the solenoid for proper resistance, and checking the transmission fluid level and condition.
7. How much does it cost to repair a P2738 code on a 2018 Chevrolet Silverado?
Costs vary depending on the exact issue but can range from $150 to $450 for solenoid replacement, with additional costs for wiring repairs or module reprogramming.
8. Could low transmission fluid cause the P2738 code in my 2018 Chevrolet Silverado?
Yes, low or contaminated transmission fluid can cause insufficient hydraulic pressure, triggering the P2738 code.
9. Is the P2738 code specific to the 2018 Chevrolet Silverado?
No, P2738 is a generic OBDII code applicable to many vehicles, but the specific symptoms and repair steps may vary by make and model.
10. Can a faulty transmission control module trigger the P2738 code in a 2018 Chevrolet Silverado?
Yes, a malfunctioning transmission control module can cause voltage issues in the solenoid circuit, leading to the P2738 code.
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