P01E6 – BMW DTC

BMW DTC P01E6 – Engine Coolant Temperature Sensor 3 Circuit High

DTC P01E6 meaning on BMW

The DTC P01E6 error code on a BMW indicates an issue with the Engine Coolant Temperature Sensor 3 Circuit registering a high voltage signal. This sensor is responsible for monitoring the temperature of the engine coolant and providing this data to the engine control module (ECM) for proper engine operation.

BMW DTC P01E6 symptoms

Symptoms of the BMW DTC P01E6 may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Inaccurate temperature readings on the coolant gauge
• Engine running hotter or colder than normal
• Potential decrease in fuel efficiency

BMW DTC P01E6 causes

Common causes of the BMW DTC P01E6 error code include:

• Defective Engine Coolant Temperature Sensor 3
• Wiring or connector issues in the sensor circuit
• ECM software or hardware problems

BMW DTC P01E6 seriousness

While the BMW DTC P01E6 may not cause immediate drivability issues, it is important to address this problem promptly to prevent potential engine damage due to incorrect temperature readings.

How to diagnose DTC P01E6 on BMW

To diagnose the DTC P01E6 on a BMW, you can perform the following steps:

1. Use an OBD-II scanner to retrieve the error code and freeze frame data
2. Inspect the Engine Coolant Temperature Sensor 3 and its wiring for any visible damage
3. Check the sensor’s resistance and voltage values according to the manufacturer’s specifications
4. Verify the integrity of the sensor circuit by testing for continuity and shorts

How to fix DTC P01E6 on BMW

To fix the DTC P01E6 on a BMW, you can try the following solutions:

1. Replace the Engine Coolant Temperature Sensor 3 with a new, OEM part
2. Repair any damaged wiring or connectors in the sensor circuit
3. Clear the error code and reset the ECM by using an OBD-II scanner
4. Perform a test drive to ensure the issue has been resolved

How to erase DTC P01E6 on BMW

To erase the DTC P01E6 on a BMW, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port
2. Select the option to clear the error codes from the ECM
3. Wait for the scanner to confirm that the DTC P01E6 has been successfully erased
4. Disconnect the scanner and start the engine to ensure the CEL is no longer illuminated

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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