The P0C47: Hybrid Battery Pack Coolant Pump Control Circuit/Open refers to an issue where the control circuit for the hybrid battery pack coolant pump has an open circuit or a fault. This could be caused by a faulty coolant pump, an open circuit, or wiring issues, which could lead to improper cooling of the hybrid battery.
P0C47 – Quick Overview
| Code | Information |
|---|---|
| Meaning | P0C47: Hybrid Battery Pack Coolant Pump Control Circuit/Open |
| Is it serious? | Yes, an open circuit in the coolant pump control can prevent proper cooling, which may lead to overheating of the hybrid battery pack and reduced performance. |
| Possible causes | – Open circuit in the coolant pump control circuit – Faulty coolant pump – Wiring issues |
| How to diagnose? | – Inspect the coolant pump control circuit for opens – Test the coolant pump – Check wiring and connections |
P0C47 Meaning
The P0C47: Hybrid Battery Pack Coolant Pump Control Circuit/Open code indicates that there is a problem with the control circuit for the hybrid battery coolant pump. This may mean that the control circuit has an open, preventing the proper operation of the coolant pump. If left unresolved, this can cause the hybrid battery to overheat, potentially leading to serious performance issues or damage.
Step-by-step diagnostic guide
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to check for additional related fault codes that may provide further context for the issue. | OBD-II Scanner |
| Inspect the Coolant Pump Control Circuit for Opens | Visually inspect the control circuit for the hybrid battery pack coolant pump for any signs of an open circuit or damage. | Flashlight, Multimeter |
| Test the Coolant Pump | Use a diagnostic tool to test the functionality of the coolant pump, ensuring it operates within the manufacturer’s specifications. | Diagnostic Tool, Multimeter |
| Check Wiring and Connections | Inspect the wiring and connectors leading to the coolant pump for signs of damage, loose connections, or corrosion that could cause an open circuit. | Flashlight, Multimeter |
| Clear the Code and Test Drive | After completing repairs, clear the fault code and take the vehicle for a test drive to verify the issue has been resolved. | OBD-II Scanner |
| Recheck for Codes | Re-scan the vehicle after the test drive to confirm that the P0C47 code has been cleared and does not return. | OBD-II Scanner |
OBD-II scanner Buyer’s Guide
- Scanner features explained
- Different types of scanners
- Scanners for coding/odometer/ECU/checks
- Best picks + discount codes
Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)