P0847 2016 GMC Sierra Code - Transmission Fluid Pressure Switch 2 Circuit Low Voltage
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. 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
- P0847 2016 GMC Sierra indicates Transmission Fluid Pressure Switch 2 Circuit Low 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 P0847 2016 GMC Sierra Description
What are the Possible Causes of the DTC P0847 2016 GMC Sierra?
- 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
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P0847 2016 GMC Sierra?
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 P0847 2016 GMC Sierra 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 P0847 2016 GMC Sierra Code
1. What does the OBDII code P0847 mean on a 2016 GMC Sierra?
P0847 indicates that the Transmission Fluid Pressure Switch 2 Circuit is experiencing low voltage, which can impact the transmission's ability to operate correctly.
2. What are the symptoms of a P0847 code in a 2016 GMC Sierra?
Common symptoms include erratic shifting, transmission slipping, reduced fuel efficiency, and the illumination of the check engine light.
3. What causes the P0847 code to appear in a 2016 GMC Sierra?
Potential causes include a faulty transmission fluid pressure sensor, wiring or connector issues, low transmission fluid levels, or internal transmission problems.
4. Can low transmission fluid cause a P0847 code in my 2016 GMC Sierra?
Yes, low transmission fluid can lead to inadequate pressure readings and trigger the P0847 code.
5. How do I diagnose a P0847 code in a 2016 GMC Sierra?
Start by checking the transmission fluid level and condition, inspecting the wiring and connectors for damage or corrosion, and testing the pressure sensor for proper functionality.
6. Is it safe to drive my 2016 GMC Sierra with a P0847 code?
Driving with a P0847 code can cause further damage to the transmission, so it’s best to address the issue promptly to avoid costly repairs.
7. How can I fix the P0847 code on a 2016 GMC Sierra?
Repairs may involve replacing the transmission fluid pressure sensor, repairing damaged wiring or connectors, or addressing internal transmission issues.
8. How much does it cost to repair a P0847 code on a 2016 GMC Sierra?
Costs vary depending on the issue, but replacing a transmission fluid pressure sensor typically ranges from $150 to $300, while wiring repairs might be less expensive.
9. Can a faulty transmission fluid pressure sensor cause shifting issues in a 2016 GMC Sierra?
Yes, a faulty sensor can result in incorrect pressure readings, leading to erratic or improper shifting.
10. Will clearing the P0847 code fix the problem on my 2016 GMC Sierra?
Clearing the code will remove the warning temporarily, but the underlying issue must be resolved to prevent the code from returning.
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