P129F Diagnostic Trouble Code Discussion for February 2024
Fuel Pump Driver Control Module Speed Signal Message Incorrect
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| Help Request | Posted | |
| 2019 GMC Terrain SLE 1.6L MIL Lamp on VIN: 3GKALWEU0K P129F: Fuel Pump Driver Control Module Speed Signal Message Incorrect. The vehicle exhibits a thumping noise from the fuel tank, like a slow moving lift pump, but runs normally. I started by trying to find the fuel pump RPM PID as the service info describes. I do not find a PID for this using the GDS2 system or any aftermarke... |
February 02, 2024 |
