P0880 2017 GMC Sierra Code - Transmission Control Module Supply Voltage Circuit
Quick Answer
The P0880 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Transmission Control Module (TCM) Supply Voltage Circuit. Common causes include Damaged wiring or connectors in the TCM circuit, Faulty TCM power supply, Blown fuse related to the TCM. 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
- P0880 2017 GMC Sierra indicates Transmission Control Module Supply Voltage Circuit.
- Common causes
- Common causes include Damaged wiring or connectors in the TCM circuit, Faulty TCM power supply, Blown fuse related to the TCM.
- 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.
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Code P0880 2017 GMC Sierra Description
The P0880 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Transmission Control Module (TCM) Supply Voltage Circuit. This code indicates that there is a malfunction in the circuit responsible for supplying power to the TCM. The TCM plays a crucial role in controlling the transmission system, including gear shifting, torque converter lockup, and other functions essential for proper vehicle operation.
Common Causes of P0880 2017 GMC Sierra
- Damaged wiring or connectors in the TCM circuit
- Faulty TCM power supply
- Blown fuse related to the TCM
- Malfunctioning TCM unit
- Electrical issues in the vehicle's power supply system
Symptoms of P0880 2017 GMC Sierra
- Erratic shifting behavior
- Harsh or delayed gear shifts
- Transmission slipping
- Limp mode activation
- Illumination of the Check Engine Light
How to Fix P0880 2017 GMC Sierra
- Begin by conducting a thorough inspection of the TCM circuit, including wiring and connectors, to identify any visible damage or loose connections.
- Test the TCM power supply voltage to ensure it is within the specified range. Replace the power supply if necessary.
- Check and replace any blown fuses related to the TCM circuit.
- If the TCM unit is found to be faulty, it may need to be replaced. Ensure the new TCM is properly programmed to the vehicle.
- Clear the DTC and test drive the vehicle to confirm that the issue has been resolved.
Cost to Fix P0880 2017 GMC Sierra
The typical repair costs for addressing a P0880 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts for this repair can range from $100 to $500, while labor costs can range from $100 to $300. Overall, the total repair cost may fall between $200 and $800. It's important to note that these estimates are approximate, and actual costs may vary based on factors such as location, labor rates, and the extent of the repair needed. Be sure to consult with a qualified mechanic or repair shop for a more accurate cost estimate.
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