What does code P1639 mean on BMW vehicles?
The ECU detects that the throttle valve is permanently stuck and cannot move correctly.
OBD-II Code BMW
P1639 — BMW — Throttle Valve Position Control; Throttle Stuck Permanently
The ECU detects that the throttle valve is permanently stuck and cannot move correctly.
Common symptoms
- Limp mode activation
Possible causes
- Severe mechanical failure of throttle body
Initial recommendation
Replace throttle body assembly and perform adaptation.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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