U0059 – BMW DTC

BMW DTC U0059 – Vehicle Communication Bus D (+) High

DTC U0059 meaning on BMW

DTC U0059 on a BMW refers to a fault in the Vehicle Communication Bus D (+) High circuit. This diagnostic trouble code indicates that there is a high voltage condition detected on the communication bus line for the specified circuit.

BMW DTC U0059 symptoms

Symptoms of DTC U0059 on a BMW may include:

• Check Engine Light (MIL) illuminated
• Communication issues with various vehicle modules
• Problems with network communication between control units

BMW DTC U0059 causes

Common causes of DTC U0059 on a BMW include:

• Short circuit to power in the communication bus wiring
• Faulty communication bus module
• Corrosion or poor connections in the communication bus circuit

BMW DTC U0059 seriousness

The seriousness of DTC U0059 on a BMW can vary. While it may not always result in immediate drivability issues, unresolved communication bus faults can lead to malfunctions in various vehicle systems and potentially affect overall vehicle performance and safety.

How to diagnose DTC U0059 on BMW

To diagnose DTC U0059 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes from the vehicle’s control modules.
2. Inspect the communication bus wiring for any visible damage, shorts, or corrosion.
3. Check the communication bus module for proper operation and connections.

How to fix DTC U0059 on BMW

To fix DTC U0059 on a BMW, consider the following:

1. Repair any damaged wiring or connections in the communication bus circuit.
2. Replace the faulty communication bus module if necessary.
3. Clear the fault codes using a diagnostic scanner after the repairs are completed.

How to erase DTC U0059 on BMW

To erase DTC U0059 on a BMW:

1. Connect a diagnostic scanner to the vehicle’s OBD-II port.
2. Access the scanner’s menu to clear the fault codes stored in the control modules.
3. Follow the on-screen prompts to erase the DTC U0059 code.

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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