U055C – BMW DTC

BMW DTC U055C – Invalid Data Received From Special Purpose Vehicle Control Module ‘C’

DTC U055C meaning on BMW

DTC U055C on a BMW indicates that the Engine Control Module (ECM) has detected invalid data being received from the Special Purpose Vehicle Control Module ‘C’. This means that there is a communication error between the ECM and the specific control module ‘C’, which could potentially affect the vehicle’s performance and functionality.

BMW DTC U055C symptoms

Symptoms of DTC U055C on a BMW may include:

• Check Engine Light (MIL) illuminated
• Loss of communication with control module ‘C’
• Erratic behavior of vehicle systems
• Reduced engine performance

BMW DTC U055C causes

The possible causes of DTC U055C on a BMW include:

• Faulty wiring or connectors between the ECM and control module ‘C’
• Defective control module ‘C’
• Software issues within the control module ‘C’
• Interference from other electronic devices

BMW DTC U055C seriousness

The seriousness of DTC U055C on a BMW lies in the potential impact on the vehicle’s performance and safety. Ignoring this fault code could lead to further malfunctions and potentially compromise the overall functionality of the vehicle.

How to diagnose DTC U055C on BMW

To diagnose DTC U055C on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the ECM.
2. Check the wiring and connectors between the ECM and control module ‘C’ for any visible damage or corrosion.
3. Perform a communication test to verify the connection between the ECM and control module ‘C’.
4. Inspect the control module ‘C’ for any signs of physical damage or software issues.

How to fix DTC U055C on BMW

To fix DTC U055C on a BMW, consider the following:

1. Repair or replace any damaged wiring or connectors between the ECM and control module ‘C’.
2. If the control module ‘C’ is faulty, replace it with a new or properly functioning unit.
3. Update the software in the control module ‘C’ to the latest version, if applicable.
4. Ensure there is no interference from other electronic devices affecting the communication between the ECM and control module ‘C’.

How to erase DTC U055C on BMW

To erase DTC U055C on a BMW, use a diagnostic scanner to clear the fault codes stored in the ECM. Once the codes are cleared, perform a test drive to ensure that the issue has been resolved and the fault code does not reappear.

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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