C123EF0 – Hydraulic Brake Booster Limit Value Reached Explained
Audi vehicles, manufactured between the years 2010 to 2020, commonly experience ABS failure which will cause the fault code C123EF0 – Hydraulic Brake Booster Limit Value Reached to be permanently stored within the ABS system. The C123EF0 fault will be discovered through conducting diagnostic tests on the vehicle, and will not be able to be cleared until the ABS fault has been rectified.
What are the Symptoms of C123EF0?
The C123EF0 fault code in Audi vehicles will commonly manifest with an illuminated ABS warning light on the dashboard, often accompanied by a traction control light. Once the ABS system fails, an error message reading ‘brake system fault stop carefully’ will be present, due to the faulty ABS, there will be a loss of emergency braking functionality, leaving the Audi to rely on standard braking capabilities.
Causes of the C123EF0 fault code:
C123EF0 is primarily caused by a failing Bosch ABS unit, which is often the result of an internal malfunction that can stem from a few specific problems, such as:
- Failure of the Brake Vacuum System: One common cause of the C123EF0 – Hydraulic Brake Booster Limit Value Reached, as indicated by its description, is a defect in the brake servo system. Once this fault develops, it will cause a defect within the ABS pump and module, triggering the C123EF0 fault that will be detected via diagnostic scans.
- Manufacturing & Design Flaws: ABS units are particularly susceptible to developing manufacturing defects, which will result in the module becoming prone to failing earlier in its life cycle. These defects can be exacerbated by internal electrical problems within the vehicle, such as spikes in power or voltage, leading to damaged components.
Vehicles Affected by C123EF0 – Hydraulic Brake Booster Limit Value Reached
The C123EF0 – Hydraulic Brake Booster Limit Value Reached affects a large number of Audi models built from 2010 and 2020. If you own an Audi model between these years, we are able to rebuild your ABS unit within 2-3 working days.
Videos:
Test and rebuild:
Every Audi ABS pump and module that we receive undergoes comprehensive testing on our custom-built Hardware In-the Loop testing rigs, which replicate real-life conditions and loads. Once all faults have been identified, our technicians replace all faulty parts with components of higher quality than OEM standard.
Programming:
Our process ensures that all programming is retained. Simply plug and play once the ABS is returned to you.
Quality:
By upholding rigorous quality assurance standards, we have achieved a defect rate of less than 0.49%. As a result, we have become the trusted primary provider of remanufacturing services for leading franchise dealerships and specialists across the globe.
Warranty:
Lifetime unlimited mileage*
How do I get my unit rebuilt?
To pay for the rebuild click the Shop Now link above, select your part number and click: Get yours rebuilt.
Print the payment/booking confirmation email.
Package the Audi ABS inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box).
Send us your package by tracked courier (the shipping instructions are on the confirmation email).
Once received we will test, rebuild and return your ABS with an unlimited mileage lifetime warranty. (if your unit turns out not to be faulty then we will refund your payment less a small testing fee and return shipping)
What if I don’t want to pay up front?
This is not a problem, if you prefer this option then follow the following steps:
Fill in and submit this test form.
Print the booking confirmation email.
Package the Audi ABS unit inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box).
Send us your package by tracked courier (the shipping instructions are on the confirmation email).
Once received, we will test your ABS and call you to advise on the outcome of testing, if your unit is faulty and you choose to go ahead with the rebuild then we will take payment over the phone using a debit/credit card.
We will then rebuild your Audi ABS and return it to you with an unlimited mileage warranty.
If you require further information regarding this Audi ABS pump and module then please contact us.