P0963 2017 GMC Sierra Code - Line Pressure Control Solenoid Valve Control Circuit High Voltage
Quick Answer
The line pressure control solenoid is part of the control solenoid valve assembly which has no serviceable parts. Common causes include Low transmission fluid, Faulty Control Solenoid Valve Assembly, Control Solenoid Valve Assembly harness is open or shorted. 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
- P0963 2017 GMC Sierra indicates Line Pressure Control Solenoid Valve Control Circuit High Voltage.
- Common causes
- Common causes include Low transmission fluid, Faulty Control Solenoid Valve Assembly, Control Solenoid Valve Assembly harness is open or shorted.
- 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 P0963 2017 GMC Sierra Description
The Diagnostic Trouble Code (DTC) will be set when the Transmission Control Module detects a short to voltage on the line pressure control solenoid control circuit for 5 s.
What are the Possible Causes of the DTC P0963 2017 GMC Sierra?
- Low transmission fluid
- Faulty Control Solenoid Valve Assembly
- Control Solenoid Valve Assembly harness is open or shorted
- Control Solenoid Valve Assembly circuit poor electrical connection
How to Fix the DTC P0963 2017 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 P0963 2017 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.
Need more information about the P0963 2017 GMC Sierra code?
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Frequently Asked Questions about P0963 2017 GMC Sierra Code
1. What does the OBDII code P0963 mean on a 2017 GMC Sierra?
P0963 indicates a problem with the Line Pressure Control Solenoid Valve Control Circuit, where the voltage is higher than expected.
2. What are the common symptoms of code P0963 on a 2017 GMC Sierra?
Symptoms may include harsh shifting, transmission slippage, poor acceleration, the transmission stuck in one gear, and the Check Engine Light illuminated.
3. What causes the P0963 code to appear on a 2017 GMC Sierra?
Common causes include a faulty line pressure control solenoid, damaged wiring or connectors in the circuit, a malfunctioning transmission control module (TCM), or low or dirty transmission fluid.
4. Can low transmission fluid cause the P0963 code on a 2017 GMC Sierra?
Yes, low or dirty transmission fluid can cause improper solenoid operation, potentially triggering the P0963 code.
5. How do you diagnose the P0963 code on a 2017 GMC Sierra?
Diagnosis involves checking the transmission fluid level and condition, inspecting the wiring and connectors for damage, testing the line pressure control solenoid, and scanning for related transmission codes.
6. Can I drive my 2017 GMC Sierra with the P0963 code present?
Driving with this code is not recommended, as it can lead to further transmission damage or unsafe driving conditions due to shifting issues.
7. How do you fix the P0963 code on a 2017 GMC Sierra?
Repairs may include replacing a faulty line pressure control solenoid, repairing or replacing damaged wiring or connectors, cleaning or replacing the transmission fluid, or reprogramming or replacing the TCM.
8. How much does it cost to repair the P0963 code on a 2017 GMC Sierra?
The cost depends on the root cause, ranging from $150-$250 for solenoid replacement to $500 or more for extensive wiring or TCM repairs.
9. Can a faulty transmission control module (TCM) cause the P0963 code on a 2017 GMC Sierra?
Yes, a malfunctioning TCM can fail to regulate the solenoid circuit voltage, potentially causing the P0963 code.
10. How can I prevent the P0963 code on my 2017 GMC Sierra in the future?
Regular transmission maintenance, including fluid changes, and inspecting electrical components for wear or damage, can help prevent this issue.
Discuss the causes and fixes for P0963 2017 GMC Sierra OBDII Code
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