BMW DTC P26CC – Engine Coolant Pump Control Circuit Low
DTC P26CC meaning on BMW
DTC P26CC on a BMW refers to the Engine Coolant Pump Control Circuit Low. This diagnostic trouble code indicates that the engine control module (ECM) has detected a low voltage condition in the control circuit for the engine coolant pump.
BMW DTC P26CC symptoms
Symptoms of DTC P26CC on a BMW may include:
- Check Engine Light illuminated
- Engine overheating
- Reduced engine performance
- Increased fuel consumption
BMW DTC P26CC causes
Common causes of DTC P26CC on a BMW include:
- Faulty engine coolant pump
- Wiring or connector issues in the coolant pump circuit
- Defective engine control module (ECM)
BMW DTC P26CC seriousness
DTC P26CC should be addressed promptly as it can lead to engine overheating and potential damage if left unresolved. Ignoring this code may result in further engine issues and decreased vehicle reliability.
How to diagnose DTC P26CC on BMW
To diagnose DTC P26CC on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM.
- Inspect the engine coolant pump and its wiring for any visible damage or corrosion.
- Check the coolant pump fuse and relay for proper operation.
- Test the voltage and continuity in the coolant pump control circuit using a multimeter.
How to fix DTC P26CC on BMW
To fix DTC P26CC on a BMW, you can try the following solutions:
- Replace the faulty engine coolant pump if it is determined to be the cause of the issue.
- Repair any damaged wiring or connectors in the coolant pump circuit.
- If the ECM is faulty, consider reprogramming or replacing it as needed.
How to erase DTC P26CC on BMW
To erase DTC P26CC on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM. After addressing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and monitor the system for any recurring problems.
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.