U019C – BMW DTC

BMW DTC U019C – Lost Communication With Glow Plug Control Module 2

DTC U019C meaning on BMW

The DTC U019C code on a BMW indicates a communication error between the vehicle’s onboard computer system and the Glow Plug Control Module 2. This error specifically pertains to the loss of communication with the Glow Plug Control Module 2, which is responsible for managing the glow plug operation in diesel engines.

BMW DTC U019C symptoms

Symptoms of the DTC U019C code on a BMW may include:

• Check Engine Light (MIL) illuminated on the dashboard
• Engine running rough or misfiring
• Difficulty starting the engine, especially in cold weather
• Reduced engine performance

BMW DTC U019C causes

The DTC U019C code on a BMW can be caused by various factors, including:

• Faulty Glow Plug Control Module 2
• Wiring or connection issues between the control module and the vehicle’s computer system
• Corrosion or damage to the electrical connectors
• Software glitches or communication errors within the vehicle’s network

BMW DTC U019C seriousness

While the DTC U019C code may not always result in immediate drivability issues, it is important to address this problem promptly. Ignoring communication errors between critical components like the Glow Plug Control Module 2 can lead to more severe engine performance issues over time.

How to diagnose DTC U019C on BMW

To diagnose the DTC U019C code on a BMW, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer system
2. Inspect the wiring and connectors associated with the Glow Plug Control Module 2 for any visible damage or corrosion
3. Test the functionality of the Glow Plug Control Module 2 using specialized diagnostic tools
4. Check for any software updates or reprogramming needed for the control module

How to fix DTC U019C on BMW

Fixing the DTC U019C code on a BMW may involve the following steps:

1. Replace the faulty Glow Plug Control Module 2 with a new unit
2. Repair or replace any damaged wiring or connectors in the circuit
3. Clear the fault codes from the vehicle’s computer system after the repairs are completed
4. Perform a test drive to ensure the issue has been resolved

How to erase DTC U019C on BMW

To erase the DTC U019C code on a BMW, follow these steps:

1. Use a diagnostic scanner to access the vehicle’s onboard computer system
2. Select the option to clear or erase fault codes from the system
3. Confirm the deletion of the DTC U019C code
4. Turn off the ignition and restart the vehicle to ensure the code has been successfully cleared

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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