P0E16 – BMW DTC

BMW DTC P0E16 – Hybrid/EV Battery Pack Coolant Heater ‘B’ Control Circuit/Open

DTC P0E16 meaning on BMW

The Diagnostic Trouble Code (DTC) P0E16 for BMW refers to an issue with the Hybrid/EV Battery Pack Coolant Heater ‘B’ Control Circuit being open. This means that there is a malfunction in the control circuit for the coolant heater in the hybrid or electric vehicle battery pack.

BMW DTC P0E16 symptoms

Symptoms of the BMW DTC P0E16 may include:

• Check Engine Light illuminated
• Hybrid/EV system not functioning properly
• Reduced fuel efficiency
• Engine overheating

BMW DTC P0E16 causes

Common causes of the BMW DTC P0E16 may include:

• Faulty coolant heater ‘B’
• Open or short circuit in the control circuit
• Issues with the battery pack coolant system

BMW DTC P0E16 seriousness

The seriousness of the BMW DTC P0E16 code lies in the potential impact on the hybrid or electric vehicle’s performance and efficiency. Ignoring this code can lead to further damage to the battery pack or cooling system, affecting the overall operation of the vehicle.

How to diagnose DTC P0E16 on BMW

To diagnose the DTC P0E16 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the coolant heater ‘B’ and its control circuit for any visible damage
3. Check the battery pack coolant system for leaks or malfunctions
4. Test the components related to the coolant heater for proper functionality

How to fix DTC P0E16 on BMW

To fix the DTC P0E16 on a BMW, you may need to:

1. Replace the faulty coolant heater ‘B’
2. Repair any open or short circuits in the control circuit
3. Address any issues with the battery pack coolant system
4. Clear the fault codes and reset the system

How to erase DTC P0E16 on BMW

To erase the DTC P0E16 on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. Ensure that the underlying issue causing the code has been resolved
3. Perform a test drive to confirm that the code does not reappear

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.