BMW DTC U350A – Control Module Input Power ‘C’ Circuit High
DTC U350A meaning on BMW
The DTC U350A for BMW refers to a Control Module Input Power ‘C’ Circuit High fault. This diagnostic trouble code indicates that there is a high voltage condition detected in the power input circuit ‘C’ of a control module in the vehicle.
BMW DTC U350A symptoms
Symptoms of the BMW DTC U350A may include:
- Check Engine Light (MIL) illuminated
- Reduced engine performance
- Vehicle may go into limp mode
BMW DTC U350A causes
Common causes of the BMW DTC U350A include:
- Short circuit in the power input circuit ‘C’
- Faulty control module
- Corrosion or poor connections in the wiring harness
BMW DTC U350A seriousness
The seriousness of the BMW DTC U350A fault lies in the potential for reduced engine performance and the risk of the vehicle going into limp mode. It is important to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC U350A on BMW
To diagnose the DTC U350A on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the power input circuit ‘C’ for any signs of damage or short circuits
- Check the control module for proper functioning
- Inspect the wiring harness for corrosion or poor connections
How to fix DTC U350A on BMW
To fix the DTC U350A on a BMW, the following steps may be taken:
- Repair any short circuits in the power input circuit ‘C’
- Replace the faulty control module, if necessary
- Clean or repair any corroded connections in the wiring harness
- Clear the fault codes and reset the Check Engine Light
How to erase DTC U350A on BMW
To erase the DTC U350A on a BMW, the fault codes can be cleared using a diagnostic scanner. Once the underlying issue has been addressed and fixed, the fault codes can be cleared to reset the Check Engine Light and ensure that the vehicle is operating properly.
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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