P0815 2017 GMC Sierra Code - Upshift Switch Circuit
Quick Answer
The Driver Shift Request (DSR) allows the driver to select the desired range of gears for current driving conditions. Common causes include Faulty Transmission Shift Lever, Transmission Shift Lever harness is open or shorted, Transmission Shift Lever 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
- P0815 2017 GMC Sierra indicates Upshift Switch Circuit.
- Common causes
- Common causes include Faulty Transmission Shift Lever, Transmission Shift Lever harness is open or shorted, Transmission Shift Lever 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 P0815 2017 GMC Sierra Description
What are the Possible Causes of the DTC P0815 2017 GMC Sierra?
- Faulty Transmission Shift Lever
- Transmission Shift Lever harness is open or shorted
- Transmission Shift Lever circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC P0815 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 P0815 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.
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Frequently Asked Questions about P0815 2017 GMC Sierra Code
1. What does OBDII code P0815 mean for a 2017 GMC Sierra?
P0815 indicates an issue with the Upshift Switch Circuit, which is part of the transmission system responsible for gear shifting.
2. What are the common symptoms of code P0815 in a 2017 GMC Sierra?
Symptoms may include difficulty shifting gears, reduced transmission performance, or the transmission stuck in one gear.
3. What causes code P0815 in a 2017 GMC Sierra?
This code is typically caused by a faulty upshift switch, damaged wiring or connectors in the circuit, or problems with the transmission control module (TCM).
4. Can code P0815 affect the drivability of a 2017 GMC Sierra?
Yes, it can lead to poor drivability due to shifting issues or the transmission failing to change gears as expected.
5. How do I diagnose code P0815 in my 2017 GMC Sierra?
Inspect the upshift switch, wiring, and connectors for damage. Use a scan tool to monitor the transmission control module for related faults.
6. What repairs are commonly needed to fix code P0815 in a 2017 GMC Sierra?
Repairs may include replacing the upshift switch, repairing damaged wiring or connectors, or reprogramming or replacing the transmission control module.
7. Is code P0815 in a 2017 GMC Sierra a serious issue?
Yes, it can be serious as it directly impacts the transmission's ability to shift gears, affecting vehicle performance and safety.
8. Can I drive with code P0815 on my 2017 GMC Sierra?
Driving with this code may be possible but is not recommended, as transmission issues could worsen or lead to unsafe driving conditions.
9. What tools are needed to fix code P0815 on a 2017 GMC Sierra?
You’ll need a diagnostic scan tool, multimeter, and possibly wiring repair tools to inspect and repair the circuit.
10. How much does it typically cost to fix code P0815 on a 2017 GMC Sierra?
Repair costs can range from $100 to $500 or more, depending on whether the issue is with the switch, wiring, or transmission control module.
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