BMW DTC P1773 – CAN Timeout Anti-Lock Brake System (ABS) Control Module
DTC P1773 meaning on BMW
DTC P1773 on a BMW indicates a CAN Timeout with the Anti-Lock Brake System (ABS) Control Module. This means that there is a communication issue between the ABS control module and other modules on the Controller Area Network (CAN) bus.
BMW DTC P1773 symptoms
Symptoms of DTC P1773 on a BMW may include the ABS warning light illuminating on the dashboard, loss of ABS functionality, traction control system malfunctions, and potential issues with the stability control system.
BMW DTC P1773 causes
The causes of DTC P1773 on a BMW can vary, but common reasons include faulty wiring or connectors in the CAN bus system, a malfunctioning ABS control module, issues with other control modules on the network, or a software communication error.
BMW DTC P1773 seriousness
DTC P1773 should be taken seriously as it can affect the proper functioning of the ABS system, which is crucial for vehicle safety. Driving with a malfunctioning ABS system can increase the risk of accidents, especially in emergency braking situations.
How to diagnose DTC P1773 on BMW
To diagnose DTC P1773 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the ABS control module. They would then inspect the wiring and connectors in the CAN bus system, check for any loose connections, and perform a communication test between the ABS module and other modules on the network.
How to fix DTC P1773 on BMW
Fixing DTC P1773 on a BMW may involve repairing or replacing any damaged wiring or connectors in the CAN bus system, updating the software in the ABS control module, or replacing the ABS control module if it is found to be faulty. It is recommended to follow the manufacturer’s repair procedures and use genuine parts to ensure proper functionality.
How to erase DTC P1773 on BMW
Once the underlying issue causing DTC P1773 on a BMW has been fixed, the fault codes can be cleared using a diagnostic scanner. This will erase the DTC P1773 code from the ABS control module’s memory and reset the system. It is important to verify that the issue has been resolved and that the ABS system is functioning correctly after clearing the fault codes.
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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