BMW P1638: Throttle Valve Position Control Throttle Stuck Temporarily (Bank 1)
Is your scanner showing BMW P1638?
No worries. We'll show you what it means and how to deal with it.
BMW P1638: Throttle Valve Position Control Throttle Stuck Temporarily (Bank 1)
OVERVIEWWhat Does The BMW P1638 Code Mean?
Engine started, and the battery voltage is greater than 7 volts, and despite control signal to throttle valve, no position change was detected in 0.6 seconds. The throttle valve activation occurs via an electric motor (throttle drive) in the throttle valve
What Are The Potential Causes Of The BMW P1638 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:
>>> labwork Throttle Position Sensor 13631402143 Fit for BMW M3 M5 Z3 Z4 E34 E36 E39 E46 E52 E85
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Throttle Body Gasket Compatible with 325 330 530 E46 3 Series E90
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 P1638 – 2011 BMW 535xi, pages 25-27.
