U0598 – BMW DTC

BMW DTC U0598 – Invalid Data Received From AC/DC Converter Control Module ‘B’

DTC U0598 meaning on BMW

DTC U0598 on a BMW indicates that the Engine Control Module (ECM) has detected invalid data being received from the AC/DC Converter Control Module ‘B’. This error code signifies a communication issue between the ECM and the AC/DC Converter Control Module ‘B’.

BMW DTC U0598 symptoms

Symptoms of DTC U0598 on a BMW may include:

• Check Engine Light (MIL) illuminated
• Loss of communication with the AC/DC Converter Control Module ‘B’
• Erratic behavior of the AC/DC Converter system

BMW DTC U0598 causes

Possible causes of DTC U0598 on a BMW include:

• Faulty wiring or connections between the ECM and AC/DC Converter Control Module ‘B’
• Defective AC/DC Converter Control Module ‘B’
• Software issues within the ECM or AC/DC Converter Control Module ‘B’

BMW DTC U0598 seriousness

While DTC U0598 may not directly affect the drivability of the vehicle, it is important to address this issue promptly to prevent potential malfunctions in the AC/DC Converter system. Ignoring this fault code could lead to further electrical problems in the vehicle.

How to diagnose DTC U0598 on BMW

To diagnose DTC U0598 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the ECM.
2. Inspect the wiring and connections between the ECM and AC/DC Converter Control Module ‘B’ for any visible damage or corrosion.
3. Perform a communication test between the ECM and AC/DC Converter Control Module ‘B’ using a diagnostic tool to check for proper data exchange.

How to fix DTC U0598 on BMW

To fix DTC U0598 on a BMW, consider the following:

1. Repair or replace any damaged wiring or connectors between the ECM and AC/DC Converter Control Module ‘B’.
2. If the AC/DC Converter Control Module ‘B’ is faulty, replace it with a new unit.
3. Update the software in the ECM and AC/DC Converter Control Module ‘B’ to the latest versions.

How to erase DTC U0598 on BMW

To erase DTC U0598 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM. After addressing the underlying issue and making the necessary repairs, you can reset the fault codes to see if 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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