P0701 2018 Chevrolet Silverado Code - Transmission Control System Performance
Quick Answer
The transmission fluid pressure switch, also known as the pressure switch manifold, is a multiple switch assembly made up of 3 normally open pressure switches and 1 normally closed pressure switch, which monitors the position of the 3 shift valves and manual selector valve. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module circuit poor electrical connection. 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
- P0701 2018 Chevrolet Silverado indicates Transmission Control System Performance.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module circuit poor electrical connection.
- 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 P0701 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0701 2018 Chevrolet Silverado?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
- Faulty Transmission Fluid Pressure Switch
How to Fix the DTC P0701 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 P0701 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 P0701 2018 Chevrolet Silverado Code
1. What does the OBDII code P0701 mean on a 2018 Chevrolet Silverado?
P0701 indicates an issue with the Transmission Control System's performance, meaning the transmission is operating outside the expected range.
2. What are the common symptoms of the P0701 code in a 2018 Chevrolet Silverado?
Symptoms may include the Check Engine Light turning on, erratic shifting, poor acceleration, or the vehicle going into "limp mode."
3. What causes the P0701 code on a 2018 Chevrolet Silverado?
Possible causes include low transmission fluid, a faulty Transmission Control Module (TCM), damaged wiring or connectors, or issues with internal transmission components.
4. Can driving with a P0701 code damage my 2018 Chevrolet Silverado?
Yes, driving with this code can lead to further transmission damage if the issue is not addressed promptly.
5. How do I diagnose the P0701 code on my 2018 Chevrolet Silverado?
Diagnosis involves checking transmission fluid levels, inspecting wiring and connectors, scanning the TCM for additional codes, and testing the transmission's internal components.
6. Can low transmission fluid cause the P0701 code in a 2018 Chevrolet Silverado?
Yes, low or dirty transmission fluid can lead to improper transmission performance and trigger the P0701 code.
7. How do I fix the P0701 code on my 2018 Chevrolet Silverado?
Repairs may include topping off or replacing transmission fluid, repairing or replacing damaged wiring, reprogramming or replacing the TCM, or addressing internal transmission issues.
8. Is the P0701 code serious for a 2018 Chevrolet Silverado?
Yes, it is a serious code as it typically indicates a major issue with the transmission system, which can affect drivability and cause further damage if ignored.
9. How much does it cost to repair the P0701 code on a 2018 Chevrolet Silverado?
Repair costs vary depending on the issue, ranging from $100 for fluid replacement to over $2,000 for transmission rebuilds or TCM replacement.
10. Can a bad TCM cause the P0701 code on a 2018 Chevrolet Silverado?
Yes, a malfunctioning Transmission Control Module is a common cause of the P0701 code and may require reprogramming or replacement.
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