Jaguar Diagnostics | Worthing, West Sussex
Jaguar Fault Finding
Warning light on, a message you don't recognise, or something on your Jaguar that has simply stopped working? Our Jaguar diagnostic specialists at our Tarring Road garage in Worthing use Jaguar Land Rover diagnostic software and manufacturer data to find the real cause, then explain it clearly and give you a quote before any repair work starts.
Dealer-Level Equipment
Why Choose Cedar Garage for Jaguar Fault Finding?
Jaguars are packed with electronics, from keyless entry and electric tailgates to adaptive suspension and complex gearbox controls, so one fault can show up in unexpected ways. Accurate Jaguar fault finding means reading every control unit, checking live data and testing the wiring and components involved, rather than replacing parts on the strength of a code. Our technicians work on Jaguars every day, from the XE, XF and XJ to the E-PACE, F-PACE, F-TYPE and I-PACE, so we know the faults these cars are prone to.
You get the same level of diagnostic equipment as the main dealer, including software updates and key programming, with the personal service of an independent Jaguar specialist. We can collect your Jaguar and return it when the work is done, provide a hire car while it's with us, or you're welcome to wait with a hot drink and a bite to eat. We'll never spend more of your money without your approval.

Jaguar Warning Lights and Faults We Investigate
From an engine management light or a 'Restricted performance' message to a boot that won't open or a key that isn't recognised, our Jaguar diagnostics cover every system on your car. These are some of the most common Jaguar warning lights and faults we're asked to track down.
Brake & ABS warnings
Electrical, locking & key faults
Engine, AdBlue & DPF faults
Tyre pressure warnings
Steering, suspension & gearbox
Other Jaguar Services We Specialise In
Once we've found the fault, we can put it right and keep your Jaguar running at its best with our other specialist Jaguar services.

DVSA-Approved Testing
Jaguar MOT
An engine, ABS or airbag warning light can mean an MOT failure. Our DVSA-approved testers carry out Jaguar MOTs every week, and if a fault shows up we can find and fix it in the same visit.

Manufacturer Schedule
Jaguar Servicing
Many faults can be prevented with the right maintenance. We service Jaguars to the manufacturer's schedule using oil with the correct JLR approval and quality parts, and update your service history.

Dealer-Level Fixes
Jaguar Repairs
When our fault finding pinpoints the problem, our technicians repair it to main dealer standard, from wiring looms and door latches to gearbox, suspension and engine faults.
Ready to book your Jaguar fault finding?
Book online or call our Worthing team on 01903 248967 and we'll get to the bottom of it.
Collection & Delivery
We can collect your Jaguar from home or work and bring it back once the fault has been found and fixed.
Hire Cars Available
Need to stay on the road? Ask about a hire car while we find and fix the fault on your Jaguar.
Wait in Comfort
Relax in our waiting area with free Wi-Fi and a hot drink while we carry out initial fault finding checks.

Frequently Asked Questions
Jaguar Fault Finding FAQs
What does Jaguar fault finding involve?
We use Jaguar's own diagnostic software to read any fault codes, then test the parts involved to find the real cause. We'll explain what's wrong and give you a quote before any work goes ahead.
How much does Jaguar fault finding cost?
We start with an initial fault finding check at a fixed price, which we'll confirm when you book. If the fault needs more time to track down, we'll always ask you first.
How long does Jaguar fault finding take?
Most initial checks are done within the time booked, and you're welcome to wait. If a fault takes longer to track down, we'll call you and agree the next steps first.
Can I drive my Jaguar with the engine management light on?
If the light is steady and the car drives normally, you can usually drive carefully to us, but book it in soon. If it's flashing or the car is down on power, stop when it's safe and give us a call.
What does 'Restricted performance' mean on my Jaguar?
It means your Jaguar has spotted a fault and is limiting power to protect the engine. You can usually drive gently to us, but book it in for fault finding rather than leaving it.
Why is my Jaguar showing an AdBlue or DPF warning?
These warnings relate to the systems that keep your Jaguar's emissions clean. Left alone, they can lead to reduced power or a car that won't restart, so book in for fault finding early and we'll find the cause.
Why won't the boot open on my Jaguar?
It's often an electrical fault, and sometimes the rear camera stops working at the same time. Book in for fault finding and we'll find the cause and get it working again.
Why does my Jaguar say the bonnet is open when it's closed?
It's usually a faulty switch or wiring rather than the bonnet itself. Book in for fault finding and we'll find what's failed, so we only replace what's needed.
Why has my Jaguar's gearbox switched into neutral on its own?
Your Jaguar may have done this to protect itself after spotting a fault. Stop safely, then book in for fault finding and we'll find out why.
Why has the central locking or key stopped working on my Jaguar?
It could be a faulty door lock or a key that has lost its programming. Book in and we'll find the cause, and we can program or supply keys without a trip to the dealer.
Do I need the main dealer for software updates or key programming?
No. We can carry out software updates, key programming and coding here, so your Jaguar can be diagnosed, fixed and programmed in one place.
Do you carry out fault finding on the Jaguar I-PACE?
Yes, we can find faults on the I-PACE's everyday systems, such as brakes, suspension, steering, locking and lighting. Give us a call and we'll let you know how we can help.
