P0873 2014 Chevrolet Silverado Code - Transmission Fluid Pressure Switch 3 Circuit High Voltage
Quick Answer
The P0873 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado relates to the Transmission Fluid Pressure Switch 3 Circuit High Voltage. Common causes include Faulty transmission fluid pressure switch, Wiring issues in the circuit, Problems with the transmission control module. 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
- P0873 2014 Chevrolet Silverado indicates Transmission Fluid Pressure Switch 3 Circuit High Voltage.
- Common causes
- Common causes include Faulty transmission fluid pressure switch, Wiring issues in the circuit, Problems with the transmission control module.
- 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 P0873 2014 Chevrolet Silverado Description
The P0873 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado relates to the Transmission Fluid Pressure Switch 3 Circuit High Voltage. This code indicates that there is an issue with the transmission fluid pressure switch circuit, specifically the third switch. The transmission fluid pressure switch is responsible for monitoring the hydraulic pressure within the transmission. When the pressure is too high, it can lead to various issues with the transmission's operation.
Common Causes of P0873 2014 Chevrolet Silverado
- Faulty transmission fluid pressure switch
- Wiring issues in the circuit
- Problems with the transmission control module
- Low transmission fluid level
- Contaminated transmission fluid
Symptoms of P0873 2014 Chevrolet Silverado
- Erratic shifting
- Transmission slipping
- Harsh shifting
- Transmission failure
- Illuminated check engine light
How to Fix P0873 2014 Chevrolet Silverado
- Use a scan tool to read the DTC and diagnose the issue.
- Inspect the wiring harness for any damage or loose connections.
- Test the transmission fluid pressure switch to determine if it is functioning correctly.
- Check the transmission control module for any faults or malfunctions.
- Replace any faulty components and clear the DTC to reset the system.
Cost to Fix P0873 2014 Chevrolet Silverado
The cost of repairing a Transmission Fluid Pressure Switch 3 Circuit High Voltage issue in a 2014 Chevrolet Silverado can vary depending on the specific cause of the problem and the labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary significantly. It's recommended to check with local shops for more accurate pricing information.
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Frequently Asked Questions about P0873 2014 Chevrolet Silverado Code
1. What does OBDII code P0873 mean for a 2014 Chevrolet Silverado?
P0873 indicates that the Transmission Fluid Pressure Switch 3 circuit is reporting a high voltage condition, which could point to an electrical or hydraulic issue in the transmission.
2. What are the common symptoms of code P0873 in a 2014 Chevrolet Silverado?
Symptoms may include erratic shifting, the transmission stuck in a single gear (limp mode), poor acceleration, or the check engine light being illuminated.
3. What causes code P0873 in a 2014 Chevrolet Silverado?
Common causes include a faulty transmission fluid pressure switch, damaged wiring or connectors in the circuit, low or dirty transmission fluid, or internal transmission issues.
4. Can low transmission fluid level cause code P0873?
Yes, low or contaminated transmission fluid can affect pressure readings and trigger the P0873 code.
5. How do you diagnose code P0873 in a 2014 Chevrolet Silverado?
Diagnosis typically involves scanning for additional codes, inspecting the wiring and connectors in the circuit, testing the transmission fluid pressure switch, and checking the transmission fluid condition.
6. How can a faulty pressure switch cause code P0873?
If the transmission fluid pressure switch fails, it may send incorrect voltage signals to the powertrain control module (PCM), leading to the P0873 code.
7. Can driving with code P0873 damage my 2014 Chevrolet Silverado?
Driving with this code may cause further damage to the transmission if the underlying issue isn’t resolved, especially if the vehicle is stuck in limp mode or experiencing erratic shifting.
8. How much does it cost to fix code P0873 on a 2014 Chevrolet Silverado?
Repair costs vary depending on the exact issue but may range from $150 to $400 for pressure switch replacement or circuit repairs, excluding more extensive transmission damage.
9. Can I fix code P0873 myself on a 2014 Chevrolet Silverado?
If you have experience with automotive electrical diagnostics, you can inspect and repair wiring or replace the pressure switch. Otherwise, professional assistance is recommended.
10. Is it safe to clear code P0873 without making repairs?
Clearing the code without repairs may temporarily turn off the check engine light, but the issue will likely return and could lead to further transmission problems.
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