BMW DTC P167A – ACC (Adaptive Cruise Control) Intermittent Activity Detected
DTC P167A meaning on BMW
DTC P167A on a BMW indicates that the Adaptive Cruise Control (ACC) system has detected intermittent activity. The ACC system uses sensors to maintain a set distance between your vehicle and the one in front of you by automatically adjusting the speed. When this diagnostic trouble code is triggered, it means that the ACC system is experiencing irregular behavior or malfunctions.
BMW DTC P167A symptoms
Symptoms of DTC P167A on a BMW may include intermittent or inconsistent cruise control operation, unexpected changes in vehicle speed while using the ACC system, and warning lights related to the cruise control system appearing on the dashboard.
BMW DTC P167A causes
The causes of DTC P167A on a BMW can vary and may include issues with the ACC sensors, wiring problems, software glitches, or a malfunction in the control module responsible for managing the ACC system.
BMW DTC P167A seriousness
While DTC P167A may not directly affect the drivability of the vehicle, it can impact the functionality of the ACC system, which is designed to enhance driving comfort and safety. It is advisable to address this issue promptly to ensure the proper operation of the cruise control feature.
How to diagnose DTC P167A on BMW
To diagnose DTC P167A on a BMW, a comprehensive scan tool capable of reading manufacturer-specific codes is required. The diagnostic process involves checking the ACC system components, inspecting wiring for any damage or loose connections, and performing system tests to identify the root cause of the intermittent activity detected.
How to fix DTC P167A on BMW
Fixing DTC P167A on a BMW typically involves addressing the underlying cause of the intermittent activity detected in the ACC system. This may include repairing or replacing faulty sensors, resolving wiring issues, updating software if necessary, or replacing the control module responsible for managing the cruise control function.
How to erase DTC P167A on BMW
Once the underlying issue causing DTC P167A on a BMW has been resolved, the diagnostic trouble code can be erased using a scan tool capable of clearing fault codes. After erasing the code, it is recommended to test the ACC system to ensure that the intermittent activity has been successfully addressed.
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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