P04C6 – BMW DTC

BMW DTC P04C6 – Fuel Fill Door Lock Position Sensor/Switch Circuit High

DTC P04C6 meaning on BMW

DTC P04C6 on a BMW refers to the Fuel Fill Door Lock Position Sensor/Switch Circuit High. This diagnostic trouble code indicates that there is a high voltage condition detected in the circuit related to the fuel fill door lock position sensor or switch.

BMW DTC P04C6 symptoms

Symptoms of DTC P04C6 on a BMW may include:

• Check Engine Light illuminated on the dashboard
• Difficulty opening or closing the fuel fill door
• Malfunction of the fuel fill door lock mechanism

BMW DTC P04C6 causes

The common causes of DTC P04C6 on a BMW include:

• Faulty fuel fill door lock position sensor or switch
• Wiring issues in the circuit related to the sensor or switch
• Corrosion or poor connections in the sensor or switch circuit

BMW DTC P04C6 seriousness

While DTC P04C6 may not directly affect the drivability of the vehicle, it is important to address this issue to ensure proper functioning of the fuel fill door lock system. Ignoring this fault could lead to inconvenience and potential safety concerns.

How to diagnose DTC P04C6 on BMW

To diagnose DTC P04C6 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
2. Inspect the wiring and connectors related to the fuel fill door lock position sensor or switch for any damage or corrosion
3. Test the sensor or switch for proper operation using a multimeter

How to fix DTC P04C6 on BMW

To fix DTC P04C6 on a BMW, you can try the following:

1. Replace the faulty fuel fill door lock position sensor or switch
2. Repair any damaged wiring or connectors in the circuit
3. Clean or replace any corroded connections in the sensor or switch circuit

How to erase DTC P04C6 on BMW

To erase DTC P04C6 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. Once the issue has been addressed and fixed, you can reset the codes to turn off the Check Engine Light.

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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