P0843 2016 Chevrolet Silverado Code - Transmission Fluid Pressure Switch 1 Circuit High Voltage
Quick Answer
The Transmission Fluid Pressure (TFP) switch 1 is part of the control solenoid valve assembly, which has no serviceable parts. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve Assembly. 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
- P0843 2016 Chevrolet Silverado indicates Transmission Fluid Pressure Switch 1 Circuit High Voltage.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve Assembly.
- 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 P0843 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0843 2016 Chevrolet Silverado?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty Transmission Control Solenoid Valve Assembly
- Transmission Control Solenoid Valve Assembly harness is open or shorted
- Transmission Control Solenoid Valve Assembly circuit poor electrical connection
How to Fix the DTC P0843 2016 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 P0843 2016 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.
Need more information about the P0843 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P0843 2016 Chevrolet Silverado Code
What does the OBDII code P0843 mean for a 2016 Chevrolet Silverado?
Code P0843 indicates a high voltage issue in the Transmission Fluid Pressure Switch 1 circuit, which monitors the pressure of the transmission fluid to ensure proper operation.
What are common symptoms of code P0843 in a 2016 Chevrolet Silverado?
Symptoms may include delayed or harsh shifting, transmission slipping, reduced fuel efficiency, or the transmission entering "limp mode."
What causes the P0843 code on a 2016 Chevrolet Silverado?
Common causes include a faulty transmission fluid pressure sensor, damaged wiring or connectors, or low or contaminated transmission fluid.
Can low transmission fluid cause a P0843 code?
Yes, insufficient or contaminated transmission fluid can contribute to incorrect pressure readings and trigger this code.
How do you diagnose the P0843 code on a 2016 Chevrolet Silverado?
Diagnosis typically involves inspecting the wiring and connectors for damage, testing the transmission fluid pressure sensor, and checking the transmission fluid level and condition.
Can driving with a P0843 code damage the transmission?
Yes, ignoring this code can lead to severe transmission issues if the underlying problem is not addressed promptly.
How is the P0843 code fixed on a 2016 Chevrolet Silverado?
Repairs may include replacing the transmission fluid pressure sensor, repairing damaged wiring or connectors, or performing a transmission fluid flush and refill.
How much does it cost to fix a P0843 code on a 2016 Chevrolet Silverado?
Repair costs can vary widely, ranging from $100 for a sensor replacement to $300 or more if wiring repairs or fluid changes are required.
Can a faulty pressure sensor cause shifting problems in a 2016 Chevrolet Silverado?
Yes, a malfunctioning pressure sensor can result in incorrect fluid pressure readings, leading to shifting issues and poor transmission performance.
Is it safe to drive a 2016 Chevrolet Silverado with the P0843 code?
Driving with this code is not recommended as it may affect transmission performance and lead to further damage over time.
Discuss the causes and fixes for P0843 2016 Chevrolet Silverado OBDII Code
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