P129F: owner reports and bulletins
Got P129F on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.
What owners report to NHTSA
63 complaints filed with NHTSA mention P129F, 62 of them since 2015, across 13 different models. The component owners most often filed it under: fuel/propulsion system.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| CHEVROLET EQUINOX | 14 | 2020, 2022, 2024 |
| GMC TERRAIN | 11 | 2020, 2022 |
| GMC SIERRA 1500 | 9 | 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET SILVERADO 1500 | 9 | 2019, 2020, 2022, 2023, 2026 |
| CHEVROLET TAHOE | 6 | 2021 |
| CHEVROLET SUBURBAN | 4 | 2021, 2022 |
| GMC YUKON | 3 | 2021 |
Manufacturer service bulletins that name P129F
40 technical service bulletins and manufacturer communications filed with NHTSA mention P129F, from 4 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- GMC YUKON (2021, 2022, 2023, 2024), bulletin 11007295: This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated wit…
- BUICK ENCLAVE (2021, 2022, 2023), bulletin 10253111: This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated wit…
- CADILLAC ESCALADE (2022, 2023, 2021), bulletin 10253111: This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated wit…
- CHEVROLET BLAZER (2021, 2022, 2023), bulletin 10253111: This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated wit…
- GMC ACADIA (2021, 2022, 2023), bulletin 10253111: This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated wit…
- GMC SAVANA (2021, 2022, 2023), bulletin 11006410: This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.
Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.