U1900 – Common Ford Focus DTC Solved
Is your Ford’s U1900 diagnostic trouble code (DTC) driving you mad? You’re not alone. If you’ve got no idea what’s triggered the U1900 code in your Ford Focus, or more importantly, how to resolve it, then you’re in the right place. The U1900 DTC is a frequent issue for Ford owners, and it often stems from a defective instrument cluster.
Shop Now – Resolve Ford DTC U1900
Instrument cluster issues have plagued Ford owners for decades now, especially since the release of multiple commonly failing units in the mid-2000s. These malfunctioning units have been known to trigger warning lights, messages or even render the dashboard completely unresponsive. One thing we see time and time again when these clusters fail, is the presence of the same DTC in the Ford Focus:
U1900 – CAN Communication Bus Error
It’s important to note that the U1900 fault code typically affects Ford Focus dashboards that were manufactured between 2004-2012 – like this one fitted to the pre-2008 Mk2, and this one fitted to the facelifted Focus Mk2.
Ford Focus U1900 DTC Explained
As you’ll have already worked out, this code nods its head towards an issue with the CAN bus system. We know you’ll have verified the integrity of the intertwined CAN wires already, so where do you go now?
Well, it’s often not considered that there’s a fault with the instrument cluster at play here. If your Ford Focus is experiencing starting issues in addition to the U1900 DTC, then this is absolutely typical of a Focus dashboard fault.
The instrument cluster is of course an integral part of the high-speed CAN network, regularly communicating with other safety-critical control modules. However, the internal defect within the cluster is disrupting its ability to output a reliable CAN signal.
When the cluster fails to transmit or respond to CAN messages properly due to its internal defect, other modules don’t receive expected data, the network detects this lack of communication and flags a U1900 code. This is why you might find the U1900 code stored in other modules, like the engine ECU, when the instrument cluster is actually defective.
The internal issue which is also disrupting the cluster’s CAN signal, is also preventing it from verifying key identity and authorising engine start-up. Subsequently, this leaves the Ford Focus without drive and with an ambiguous, and quite unhelpful, U1900 DTC stored for the CAN bus.
Our Ford Focus U1900 DTC Solution
If you’re experiencing the aforementioned issues, it sounds very much like you’ve a defective instrument cluster on your hands. Thankfully we can tell you conclusively whether this is the case or not. Make use of our bespoke testing service, which will analyse your dashboard on state-of-the-art rigs to pinpoint even the most intermittent of faults.
If we find that your cluster has suffered the widespread Ford Focus U1900 DTC fault, then we’ll rebuild it with top-grade components so that it’s better than brand-new. We only use components that are rated higher than OEM-standard so that your cluster is rebuilt with maximum durability in mind, keeping the dreaded U1900 DTC away from your Ford Focus for good. Better still, we’ll even cover you with an unlimited-mile lifetime warranty too.
Don’t swap your cluster for a replacement made up of the same unreliable components, have your faulty unit remanufactured by the experts. Fill out our test form to begin your rebuild – our process only takes 2-3 working days.
Common failure symptoms:
- U1900 DTC
- No engine start
- Engine cutting out
- Inaccurate gauge readings
- Distorted LCD
- Complete dashboard failure
- Loss of instrument cluster backlighting
Common fault codes:
- U1900 – CAN Communication Bus Error
- P1260 – Theft Detected
- U0155 – Lost Comms with Instrument Panel Cluster (IPC)
- U2510 – CAN Invalid Data for Vehicle Security
- U0001 – High speed CAN Communication Bus
- U2200 – Invalid Odometer Count Data
- U0140 – Lost Comms with BCM
Video:
Test and rebuild:
We always rebuild control modules with OE-uprated components so that they’re restored to full functionality for longer. We even develop our own testing software which allows us to pinpoint unique failure modes under realistic driving conditions.
Programming:
You won’t need to reprogramme your control module once it has undergone our test and rebuild process, saving you further time and money.
Quality:
Exceptional quality is at the heart of everything we do. Our proud 0.49% defect rate has helped us to become the chosen provider of automotive remanufacturing solutions for thousands of garages worldwide.
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 instrument cluster 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 dashboard 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 Focus dash 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 cluster and call you to advise on the outcome of testing, if your cluster 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 unit and return it to you with an unlimited mileage warranty.
If you require further information regarding this Ford Focus U1900 DTC fault then please contact us.