U05AA
Invalid Data Received From Charge Air Cooler Coolant Pump
U05AA is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Charge Air Cooler Coolant Pump. Common causes: intercooler coolant pump malfunction, open or short circuit in the pump circuit. Estimated repair cost: $56–167.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Illuminates
- Unstable engine operation at high speeds
- Intercooler overheating
Causes
- Intercooler coolant pump malfunction
- Open or short circuit in the pump circuit
- Poor contact in connectors
- Problems with the engine control unit
- Software error in the control system
How to Fix
- Check the operation of the intercooler coolant pump
- Inspect the wiring harness and connectors for damage.
- Check fuses and relays associated with the pump
- Read pump parameters via diagnostic scanner
- If necessary, replace the coolant pump
Related codes
Error U05AA by Vehicle Brand
FAQ
What does the U05AA code mean?
U05AA is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Charge Air Cooler Coolant Pump
What causes a U05AA error code?
The most common causes of U05AA include: Intercooler coolant pump malfunction; Open or short circuit in the pump circuit; Poor contact in connectors; Problems with the engine control unit.
How do I fix a U05AA diagnostic trouble code?
To fix U05AA: Check the operation of the intercooler coolant pump. Inspect the wiring harness and connectors for damage.. Check fuses and relays associated with the pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U05AA?
Yes, but get it checked soon
How much does it cost to fix U05AA?
The estimated repair cost for U05AA is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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