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U0596 – BMW DTC

BMW DTC U0596 – Invalid Data Received From AC/AC Converter Control Module

DTC U0596 meaning on BMW

DTC U0596 on a BMW indicates that the Engine Control Module (ECM) has detected invalid data being received from the AC/AC Converter Control Module. This fault code typically points to a communication issue between the ECM and the AC/AC Converter Control Module.

BMW DTC U0596 symptoms

Symptoms of DTC U0596 on a BMW may include:

  • Check Engine Light (MIL) illuminated
  • AC system malfunctions
  • Erratic AC operation

BMW DTC U0596 causes

Possible causes of DTC U0596 on a BMW include:

  • Faulty AC/AC Converter Control Module
  • Wiring or connection issues between the ECM and AC/AC Converter Control Module
  • Software glitches

BMW DTC U0596 seriousness

While DTC U0596 may not directly affect the drivability of the vehicle, it is important to address this issue promptly to prevent potential AC system malfunctions and ensure proper communication between the ECM and the AC/AC Converter Control Module.

How to diagnose DTC U0596 on BMW

To diagnose DTC U0596 on a BMW, you can perform the following 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 the AC/AC Converter Control Module for any damage or corrosion.
  3. Check for any software updates or reprogramming that may be available for the modules.

How to fix DTC U0596 on BMW

To fix DTC U0596 on a BMW, you can try the following solutions:

  1. Inspect and repair any damaged wiring or connections between the ECM and the AC/AC Converter Control Module.
  2. Replace the faulty AC/AC Converter Control Module if necessary.
  3. Perform any software updates or reprogramming recommended by the manufacturer.

How to erase DTC U0596 on BMW

To erase DTC U0596 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 then reset the codes to ensure the system recognizes the repairs have been completed.

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

← All BMW Diagnostic Trouble Codes

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