P1019 – BMW DTC

BMW DTC P1019 – VVL-Sensors Supply Voltage Circuit High (Bank 1)

DTC P1019 meaning on BMW

The Diagnostic Trouble Code (DTC) P1019 for BMW refers to the VVL-Sensors Supply Voltage Circuit High on Bank 1. This code indicates that there is a high voltage condition detected in the Variable Valve Lift (VVL) system’s sensor supply circuit on Bank 1 of the engine.

BMW DTC P1019 symptoms

Symptoms of DTC P1019 on a BMW may include:

• Check Engine Light (MIL) illuminated on the dashboard
• Reduced engine performance
• Engine misfires
• Rough idling
• Decreased fuel efficiency

BMW DTC P1019 causes

Common causes of DTC P1019 on a BMW include:

• Faulty VVL sensor
• Short circuit or open circuit in the sensor supply wiring
• Issues with the engine control module (ECM)
• Electrical problems in the VVL system

BMW DTC P1019 seriousness

DTC P1019 should not be ignored as it can lead to potential engine performance issues and may cause further damage if left unresolved. It is recommended to address this code promptly to prevent any long-term problems with the vehicle.

How to diagnose DTC P1019 on BMW

To diagnose DTC P1019 on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the VVL sensor and its wiring for any visible damage or corrosion
3. Check the sensor’s voltage using a multimeter
4. Test the continuity of the sensor supply circuit
5. Inspect the ECM for any signs of malfunction

How to fix DTC P1019 on BMW

To fix DTC P1019 on a BMW, the following steps may be taken:

1. Replace the faulty VVL sensor if necessary
2. Repair any damaged wiring or connectors in the sensor supply circuit
3. Reset the fault codes and perform a test drive to verify the repair
4. If the issue persists, further diagnosis may be required to identify the root cause

How to erase DTC P1019 on BMW

To erase DTC P1019 on a BMW, follow these steps:

1. Use a diagnostic scanner to clear the fault codes stored in the ECM
2. Ensure that the underlying issue causing the fault code has been addressed
3. Perform a final check to confirm that the code has been successfully erased

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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