BMW DTC P1676 – ACC (Adaptive Cruise Control) Signal Plausibility
DTC P1676 meaning on BMW
The DTC P1676 on a BMW refers to an Adaptive Cruise Control (ACC) Signal Plausibility issue. This fault code indicates that the signal received by the ACC system is not within the expected range or is not plausible based on the vehicle’s operating conditions.
BMW DTC P1676 symptoms
Symptoms of the DTC P1676 on a BMW may include:
- ACC system not engaging or functioning properly
- Warning lights related to the ACC system on the dashboard
- Inconsistent cruise control operation
BMW DTC P1676 causes
Common causes of the DTC P1676 on a BMW include:
- Malfunctioning ACC sensor
- Faulty wiring or connections in the ACC system
- Interference from other electronic systems
BMW DTC P1676 seriousness
The DTC P1676 related to the ACC system is considered a moderate issue. While it may not directly affect the drivability of the vehicle, it can impact the functionality of the cruise control system and the overall convenience and safety features provided by the ACC system.
How to diagnose DTC P1676 on BMW
To diagnose the DTC P1676 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the ACC system components for any visible damage or loose connections
- Test the ACC sensor and related circuits for proper operation
- Check for any stored codes in other vehicle systems that may be affecting the ACC system
How to fix DTC P1676 on BMW
To fix the DTC P1676 on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections in the ACC system
- Replace the faulty ACC sensor if necessary
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P1676 on BMW
To erase the DTC P1676 on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s memory. After the code is cleared, it is recommended to perform a test drive to verify that the issue has been resolved and the fault code does not return.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.