BMW P1628: Throttle Valve Adaptation Spring Test Malfunction During Opening (Bank 1)
Is your scanner showing BMW P1628?
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BMW P1628: Throttle Valve Adaptation Spring Test Malfunction During Opening (Bank 1)
OVERVIEWWhat Does The BMW P1628 Code Mean?
Engine started, and the battery voltage is greater than 7 volts, this fault is only diagnosed during the throttle valve’s adaptation phase. DVE fails to close from emergency air position. Vehicle speed is zero, throttle pedal is less than 14.9 percent.
What Are The Potential Causes Of The BMW P1628 Code?
- Plate is sticking
- Defective return spring
- DVE electrical activation defective
- DVE motor wiring may have shorted
- Throttle valve is contaminated with foreign objects
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
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 P1628 – 2011 BMW 535xi, pages 144-146.
