BMW P1637: Throttle Valve Position Control, Control Deviation (Bank 1)
Is your scanner showing BMW P1637?
No worries. We'll show you what it means and how to deal with it.
BMW P1637: Throttle Valve Position Control, Control Deviation (Bank 1)
OVERVIEWWhat Does The BMW P1637 Code Mean?
The diagnostic function monitors the difference between specified and actual throttle-valve values. If this figure remains too high for a specified period, a fault is recognized and the throttle valve is deactivated.
The diagnostic fault code is logged when the difference between the specified and the actual value is greater than the characteristic curve over throttle-valve gradient (4% – 50%).
What Are The Potential Causes Of The BMW P1637 Code?
- TP sensor signal circuit is open (inspect wiring & connector)
- TP sensor signal circuit is shorted to ground
- TP sensor or module is damaged or it has failed
- Throttle valve is damaged or dirty
- Throttle valve control module is faulty
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> 13547502444 Throttle Body Compatible with BMW 325i 325Ci 325xi 525i X3 Z3 Z4
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> labwork Throttle Position Sensor 13631402143 Fit for BMW M3 M5 Z3 Z4 E34 E36 E39 E46 E52 E85
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
ENGINE PERFORMANCE Self Diagnosis for P1637 – 2011 BMW 535xi, pages 31-33.
