P0882 2017 GMC Sierra Code - Transmission Control Module Supply Voltage Circuit Low Voltage
Quick Answer
The Transmission Control Module (TCM) requires continuous battery voltage to operate. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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
- P0882 2017 GMC Sierra indicates Transmission Control Module Supply Voltage Circuit Low Voltage.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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 P0882 2017 GMC Sierra Description
What are the Possible Causes of the DTC P0882 2017 GMC Sierra?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How to Fix the DTC P0882 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 P0882 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 P0882 2017 GMC Sierra Code
1. What does the OBDII code P0882 mean on a 2017 GMC Sierra?
P0882 indicates that the Transmission Control Module (TCM) is detecting low voltage in the supply voltage circuit, which can affect transmission performance.
2. What are the common symptoms of code P0882 on a 2017 GMC Sierra?
Symptoms may include a check engine light, transmission stuck in a single gear (limp mode), harsh or delayed shifting, or no communication with the TCM.
3. What causes the P0882 code on a GMC Sierra?
Common causes include a faulty TCM power supply relay, damaged wiring or connectors in the TCM circuit, a weak or failing battery, or a malfunctioning TCM.
4. Can a weak battery cause the P0882 code on a 2017 GMC Sierra?
Yes, a weak or failing battery can result in insufficient voltage reaching the TCM, triggering the P0882 code.
5. How do I diagnose the P0882 code on my GMC Sierra?
Start by checking the battery voltage, inspecting wiring and connectors for damage, testing the TCM power supply relay, and verifying proper voltage at the TCM.
6. Can I still drive my 2017 GMC Sierra with the P0882 code?
Driving with this code is not recommended, as the transmission may operate in limp mode, which can lead to further damage or unsafe driving conditions.
7. What repairs can fix the P0882 code on a GMC Sierra?
Repairs might include replacing a faulty TCM power relay, repairing damaged wiring or connectors, replacing the battery, or, in rare cases, replacing the TCM.
8. How much does it cost to fix the P0882 code on a GMC Sierra?
Repair costs vary but typically range from $100 for wiring repairs to $1,000 or more for a TCM replacement, depending on the exact issue.
9. Can a blown fuse cause the P0882 code on a 2017 GMC Sierra?
Yes, a blown fuse in the TCM power circuit can interrupt voltage supply and trigger the P0882 code.
10. Will clearing the P0882 code with a scanner fix the issue?
Clearing the code will turn off the check engine light temporarily, but the underlying problem must be resolved to prevent the code from returning.
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