P1E26 – BMW DTC

BMW DTC P1E26 – Drive Motor ‘B’ Inverter Temperature Sensor ‘C’ Circuit Temperature Implausible

DTC P1E26 meaning on BMW

The DTC P1E26 error code on BMW vehicles indicates an issue with the Drive Motor ‘B’ Inverter Temperature Sensor ‘C’ Circuit Temperature being implausible. This means that the temperature sensor in the drive motor inverter for motor ‘B’ is reporting a temperature that is outside of the expected range or is not functioning correctly.

BMW DTC P1E26 symptoms

Symptoms of the BMW DTC P1E26 error code may include:

  • Check Engine Light (MIL) illuminated on the dashboard
  • Reduced power or performance
  • Irregular shifting behavior
  • Increased fuel consumption

BMW DTC P1E26 causes

Common causes of the BMW DTC P1E26 error code include:

  • Faulty drive motor inverter temperature sensor
  • Wiring or connection issues in the temperature sensor circuit
  • Internal fault in the drive motor inverter

BMW DTC P1E26 seriousness

The DTC P1E26 error code should be addressed promptly to prevent further damage to the drive motor inverter and ensure optimal vehicle performance. Ignoring this issue may lead to more severe problems and potential drivability issues.

How to diagnose DTC P1E26 on BMW

To diagnose the DTC P1E26 error code 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 drive motor inverter temperature sensor and its wiring for any visible damage or corrosion.
  3. Test the temperature sensor using a multimeter to check for proper resistance values.
  4. Check the connections and terminals in the sensor circuit for any loose or damaged components.

How to fix DTC P1E26 on BMW

To fix the DTC P1E26 error code on a BMW, you can try the following solutions:

  1. Replace the drive motor inverter temperature sensor if it is found to be faulty.
  2. Repair or replace any damaged wiring or connections in the sensor circuit.
  3. If the drive motor inverter is determined to be faulty, it may need to be replaced or repaired by a professional.

How to erase DTC P1E26 on BMW

To erase the DTC P1E26 error code on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. After addressing the underlying issue causing the error code, clearing the codes should reset the Check Engine Light and remove the DTC P1E26 from the system.

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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