What does code P1637 mean on BMW vehicles?
The ECU detects a deviation between commanded and actual throttle valve position.
OBD-II Code BMW
P1637 — BMW — Throttle Valve Position Control; Control Deviation
The ECU detects a deviation between commanded and actual throttle valve position.
Common symptoms
- Loss of power
- poor engine response
Possible causes
- Electronic throttle control failure
- actuator malfunction
Initial recommendation
Carry out advanced throttle control diagnostics and verify actuator operation.
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
Use the app to combine BMW code P1637 with your vehicle's actual symptoms for more complete diagnostic guidance.
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