U3508 – BMW DTC

BMW DTC U3508 – Control Module Input Power ‘C’ Circuit Range/Performance

DTC U3508 meaning on BMW

DTC U3508 on a BMW refers to the Control Module Input Power ‘C’ Circuit Range/Performance. This diagnostic trouble code indicates that there is an issue with the input power to a specific control module in the vehicle.

BMW DTC U3508 symptoms

Symptoms of DTC U3508 on a BMW may include:

  • Check Engine Light illuminated
  • Reduced engine performance
  • Vehicle may go into limp mode

BMW DTC U3508 causes

Common causes of DTC U3508 on a BMW include:

  • Faulty control module
  • Wiring or connection issues
  • Power supply problems

BMW DTC U3508 seriousness

The seriousness of DTC U3508 on a BMW can vary. While it may not always result in immediate drivability issues, it is important to address this code promptly to prevent potential long-term damage to the vehicle’s control modules.

How to diagnose DTC U3508 on BMW

To diagnose DTC U3508 on a BMW, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the wiring and connections related to the control module
  3. Check the power supply to the control module
  4. Perform a thorough visual inspection for any visible damage

How to fix DTC U3508 on BMW

To fix DTC U3508 on a BMW, the following steps may be taken:

  1. Repair or replace any damaged wiring or connections
  2. Address any power supply issues
  3. Replace the faulty control module if necessary
  4. Clear the fault codes and test drive the vehicle to ensure the issue is resolved

How to erase DTC U3508 on BMW

To erase DTC U3508 on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s control module memory. Once the codes are cleared, the Check Engine Light should turn off. It is important to verify that the issue has been resolved by performing a test drive after clearing the codes.

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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