OBD-II Code BMW

P1635 — BMW — Throttle Valve Adaptation; Lower Mechanical Stop Not Adapted

The ECU detects that the lower mechanical stop of the throttle valve was not successfully adapted.

Brand BMW
System Throttle System
Severity Medium
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1635 mean on BMW vehicles?

The ECU detects that the lower mechanical stop of the throttle valve was not successfully adapted.

Common symptoms

  • Unstable idle speed

Possible causes

  • Incomplete or failed throttle adaptation procedure

Initial recommendation

Perform throttle valve adaptation procedure under correct conditions.

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 P1635 with your vehicle's actual symptoms for more complete diagnostic guidance.

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