P0882 2016 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 2016 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 2016 GMC Sierra Description
What are the Possible Causes of the DTC P0882 2016 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 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 P0882 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 P0882 2016 GMC Sierra Code
1. What does the OBDII code P0882 mean on a 2016 GMC Sierra?
P0882 indicates that the Transmission Control Module (TCM) is detecting a low voltage condition in the supply voltage circuit.
2. What are the common symptoms of P0882 on a 2016 GMC Sierra?
Symptoms may include the transmission going into limp mode, harsh or erratic shifting, the check engine light being illuminated, and reduced fuel efficiency.
3. What causes the P0882 code on a GMC Sierra?
Common causes include a faulty Transmission Control Module (TCM), damaged wiring or connectors in the TCM supply circuit, a blown fuse, or a failing battery or alternator.
4. Can I drive my 2016 GMC Sierra with the P0882 code active?
It is not recommended to drive with this code active, as the transmission may be stuck in limp mode or experience improper shifting, which could damage the vehicle further.
5. How do I diagnose the P0882 code on a GMC Sierra?
Diagnosis involves checking for blown fuses, inspecting wiring and connectors for damage or corrosion, testing the battery and alternator, and using a multimeter to verify proper voltage at the TCM.
6. How do I fix the P0882 code on a 2016 GMC Sierra?
Repairs may include replacing damaged wiring or connectors, replacing a blown fuse, repairing or replacing the TCM, or addressing issues with the battery or alternator.
7. Can a bad alternator cause the P0882 code?
Yes, a failing alternator can cause low voltage in the TCM supply circuit, triggering the P0882 code.
8. What tools are needed to troubleshoot the P0882 code?
You may need an OBDII scanner, a multimeter to check voltage, and basic tools to inspect and repair wiring or components.
9. Will clearing the P0882 code fix the problem?
Clearing the code may temporarily remove the check engine light, but without addressing the underlying issue, the code will likely return.
10. How much does it cost to repair the P0882 code on a GMC Sierra?
Repair costs vary depending on the root cause, ranging from $50 for a fuse replacement to $500 or more if the TCM or alternator needs replacement.
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