P2738 2018 Chevrolet Silverado Code - Transmission Control Solenoid Valve 6 Control Circuit Low Voltage
Quick Answer
The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve. 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 Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve.
- 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 P2738 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P2738 2018 Chevrolet Silverado?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Transmission Control Solenoid Valve
- Transmission Control Solenoid Valve harness is open or shorted
- Transmission Control Solenoid Valve circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P2738 2018 Chevrolet Silverado?
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 P2738 2018 Chevrolet Silverado 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 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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