BMW DTC P164D – Throttle Valve Adaptation Lower Mechanical Stop not Adapted (Bank 2)
DTC P164D meaning on BMW
DTC P164D on a BMW indicates an issue with the Throttle Valve Adaptation Lower Mechanical Stop not being adapted on Bank 2. This means that the throttle valve adaptation process has not been completed properly for the specified bank, leading to potential performance and drivability issues.
BMW DTC P164D symptoms
Symptoms of DTC P164D on a BMW may include rough idling, reduced engine power, hesitation during acceleration, and potentially an illuminated check engine light on the dashboard.
BMW DTC P164D causes
The causes of DTC P164D on a BMW can vary, but common reasons include a faulty throttle valve, issues with the throttle body, vacuum leaks, or problems with the electronic throttle control system.
BMW DTC P164D seriousness
While DTC P164D may not always result in immediate drivability issues, it is important to address this fault as it can lead to reduced engine performance and potentially affect the overall driving experience. Ignoring this fault could result in further damage to engine components.
How to diagnose DTC P164D on BMW
To diagnose DTC P164D on a BMW, a diagnostic scan tool capable of reading BMW-specific fault codes is required. The technician will need to inspect the throttle valve, throttle body, and related components for any signs of wear, damage, or malfunctions. Additionally, checking for vacuum leaks and conducting a thorough inspection of the electronic throttle control system is recommended.
How to fix DTC P164D on BMW
Fixing DTC P164D on a BMW typically involves adapting the throttle valve lower mechanical stop on Bank 2. This process may require using a diagnostic tool to reset the adaptation values and recalibrate the throttle system. If any components are found to be faulty during the diagnostic process, they should be repaired or replaced accordingly.
How to erase DTC P164D on BMW
Once the underlying issue causing DTC P164D on a BMW has been addressed and fixed, the fault code can be erased using a diagnostic scan tool. By clearing the fault code, the check engine light should turn off, indicating that the issue has been resolved.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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