Learn more about the Audi P045C00 code.
P045C00 OBD-II Trouble Code
Understand what P045C00 means for your Audi and book further diagnostics with our VAG specialists.
What is Code P045C00?
When your Audi’s check engine light turns on and shows this code, it means the On-Board Diagnostic (OBD-II) system has detected an issue with Exhaust Gas Recirculation “B” Control Circuit Low.
P045C00
Exhaust Gas Recirculation “B” Control Circuit Low.
P045C00 – Technical Description
- Audi OBD-II Code: P045C00
- Fault Type: Exhaust Gas Recirculation “B” Control Circuit Low
How We Diagnose Audi Fault Code P045C00
At VGS Performance, we use dealer-level Audi diagnostic tools to confirm the root cause before any repair work begins. Our diagnostic service includes:
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FAQs About Code P045C00
What does P045C00 mean on an Audi?
It indicates a fault with Exhaust Gas Recirculation “B” Control Circuit Low.
What does an Audi OBD-II code mean?
Every code points to a specific fault detected by your Audi’s onboard computer. So codes such as P045C00 helps our Swindon technicians locate issues faster and more accurately.
Can I clear OBD codes myself?
You can clear codes with a scanner, but if the issue hasn’t been properly fixed, the fault will return. It’s best to bring your Audi in so we can diagnose and resolve it correctly.
Audi Models Commonly Affected by Code P045C00
The Audi P045C00 fault code can appear across a range of models and engines within the Audi lineup. Because many vehicles share similar electronic and timing systems, this code isn’t limited to one particular model.
We’ve seen codes like P045C00 appear on cars such as the Audi A3, A4, A5, Q5 and TT, as well as other petrol and diesel variants. In most cases, it’s the engine management system detecting a performance or communication issue that needs to be checked.
Whether you drive a compact Audi A3 or a larger Q-series SUV, our diagnostic equipment can read and interpret the fault accurately. Once identified, we’ll confirm the cause and advise on the best next step to keep your Audi running as it should.
Although the fault details vary, the core issue usually relates to Exhaust Gas Recirculation “B” Control Circuit Low, which requires accurate testing and data analysis. We use dealer-level VAG diagnostic tools to monitor live data, verify system performance, and pinpoint the exact cause before carrying out any repairs.
Need Help with Code P045C00?
If you’ve scanned your Audi and found P045C00 If you’ve scanned your Audi and found P0010, our team can confirm the fault and carry out any repairs needed. We use official VAG equipment to ensure accuracy and reliability.
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