BMW DTC P261E – Coolant Pump ‘B’ Control Circuit Stuck On
DTC P261E meaning on BMW
The DTC P261E code on a BMW indicates an issue with the coolant pump ‘B’ control circuit being stuck on. This means that the engine control module (ECM) has detected a malfunction in the circuit that controls the operation of the coolant pump ‘B’.
BMW DTC P261E symptoms
Symptoms of the DTC P261E code on a BMW may include:
- Engine overheating
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance
- Increased fuel consumption
BMW DTC P261E causes
The common causes of the DTC P261E code on a BMW are:
- Faulty coolant pump ‘B’
- Short circuit or open circuit in the coolant pump ‘B’ control circuit
- Defective engine control module (ECM)
BMW DTC P261E seriousness
Ignoring the DTC P261E code on a BMW can lead to serious engine damage due to overheating. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P261E on BMW
To diagnose the DTC P261E code on a BMW, a mechanic can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM
- Inspect the coolant pump ‘B’ and its control circuit for any visible damage or loose connections
- Test the coolant pump ‘B’ for proper operation
- Check the ECM for any signs of malfunction
How to fix DTC P261E on BMW
To fix the DTC P261E code on a BMW, the following steps can be taken:
- Replace the faulty coolant pump ‘B’ if necessary
- Repair any short circuits or open circuits in the coolant pump ‘B’ control circuit
- If the ECM is found to be defective, it may need to be replaced or reprogrammed
How to erase DTC P261E on BMW
After fixing the underlying issue causing the DTC P261E code on a BMW, the code can be erased using a diagnostic scanner. The scanner can clear the fault codes stored in the ECM, resetting the Check Engine Light and indicating that the issue has been resolved.
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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