P2773 – BMW DTC

BMW DTC P2773 – Four Wheel Drive (4WD) Low Switch Circuit Low

DTC P2773 meaning on BMW

DTC P2773 on a BMW refers to the Four Wheel Drive (4WD) Low Switch Circuit Low. This diagnostic trouble code indicates that there is a low voltage condition detected in the circuit responsible for the 4WD low switch.

BMW DTC P2773 symptoms

Symptoms of DTC P2773 on a BMW may include:

• 4WD system not engaging properly
• 4WD indicator light illuminated on the dashboard
• Problems shifting into 4WD low mode

BMW DTC P2773 causes

Common causes of DTC P2773 on a BMW include:

• Faulty 4WD low switch
• Wiring issues in the 4WD low switch circuit
• Corrosion or poor connections in the circuit

BMW DTC P2773 seriousness

While DTC P2773 may not always result in immediate drivability issues, it is important to address this code to ensure the proper functioning of the 4WD system. Ignoring this code could lead to potential problems with engaging the 4WD system when needed.

How to diagnose DTC P2773 on BMW

To diagnose DTC P2773 on a BMW, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code
2. Inspect the 4WD low switch and its wiring for any visible damage or corrosion
3. Test the voltage in the circuit to determine if it is within specifications
4. Check for any loose connections or poor grounds

How to fix DTC P2773 on BMW

To fix DTC P2773 on a BMW, the following steps may be taken:

1. Replace the faulty 4WD low switch if necessary
2. Repair any damaged wiring or connectors in the circuit
3. Clean any corrosion from the connections
4. Clear the fault code and test the 4WD system to ensure proper operation

How to erase DTC P2773 on BMW

To erase DTC P2773 on a BMW, the fault code can be cleared using a diagnostic scanner. After addressing the underlying issue causing the fault code, the code can be cleared to reset the system and ensure that the repair was successful.

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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