BMW DTC P261D – Coolant Pump ‘B’ Control Circuit High
DTC P261D meaning on BMW
DTC P261D indicates a fault in the coolant pump ‘B’ control circuit on a BMW vehicle. This fault is related to the control module monitoring the operation of the coolant pump and detecting a high voltage condition in the circuit.
BMW DTC P261D symptoms
Symptoms of DTC P261D on a BMW may include:
- Check Engine Light illuminated
- Engine overheating
- Loss of coolant
- Reduced engine performance
BMW DTC P261D causes
Common causes of DTC P261D on a BMW include:
- Faulty coolant pump ‘B’
- Wiring or connector issues in the coolant pump circuit
- Defective coolant pump control module
BMW DTC P261D seriousness
Ignoring DTC P261D 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 P261D on BMW
To diagnose DTC P261D on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the coolant pump ‘B’ and its wiring for any visible damage
- Check the coolant pump control module for proper operation
- Test the coolant pump circuit for continuity and voltage
How to fix DTC P261D on BMW
To fix DTC P261D on a BMW, the following steps may be taken:
- Replace the faulty coolant pump ‘B’
- Repair any damaged wiring or connectors in the coolant pump circuit
- Replace the coolant pump control module if necessary
- Clear the fault code and test the system for proper operation
How to erase DTC P261D on BMW
To erase DTC P261D on a BMW, the fault code can be cleared using a diagnostic scanner. After the repair has been completed, the code can be cleared to reset the Check Engine Light and ensure 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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