BMW DTC P179B – CAN OBD Cycle Information Invalid
DTC P179B meaning on BMW
DTC P179B on a BMW refers to ¨CAN OBD Cycle Information Invalid.¨ This diagnostic trouble code indicates that there is an issue with the communication system within the vehicle, specifically related to the On-Board Diagnostics (OBD) cycle information being invalid.
BMW DTC P179B symptoms
Symptoms of DTC P179B on a BMW may include:
- Check Engine Light illuminated
- Vehicle may go into limp mode
- Problems with vehicle performance
BMW DTC P179B causes
Common causes of DTC P179B on a BMW include:
- Issues with the CAN communication system
- Faulty OBD system components
- Wiring or connection problems
BMW DTC P179B seriousness
While DTC P179B may not always result in immediate drivability issues, it is important to address this code promptly. Ignoring the underlying problem could lead to further complications and potential damage to the vehicle’s systems.
How to diagnose DTC P179B on BMW
To diagnose DTC P179B on a BMW, a mechanic would typically:
- Use a diagnostic scanner to retrieve the trouble codes
- Inspect the CAN communication system for faults
- Check the OBD system components for proper operation
- Inspect wiring and connections for any issues
How to fix DTC P179B on BMW
To fix DTC P179B on a BMW, the following steps may be taken:
- Repair any faults in the CAN communication system
- Replace any faulty OBD system components
- Repair or replace any damaged wiring or connections
- Clear the trouble codes and test drive the vehicle to ensure the issue is resolved
How to erase DTC P179B on BMW
To erase DTC P179B on a BMW, the trouble codes can be cleared using a diagnostic scanner. After addressing the underlying issue that caused the code, the codes can be cleared, and the vehicle can be retested to ensure the problem 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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