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Porsche Diagnostics

Independent Porsche Diagnostic Specialists.

We have the latest Porsche diagnostic equipment (PIWIS) and are one of the very few Independent Porsche Service centres to have a direct factory connection via the Porsche Partner Network (PPN).

Porsche fault find & repair can be much more efficiently dealt when combined with using the correct diagnostic equipment to interrogate the car and a deep experience of the model – it can save on expensive labour. The diagnostics (PIWIS) can check individual sensors and functions in isolation. Once the repair is complete, we can also reset the fault code or warning light.

Computer controlled electronic components have become an integral part of all Porsche models, controlling not just the engine, but PDK, Tiptronic, brakes, steering, lighting, heating, central locking, and accessories. Most functions are now controlled through some form of computerised unit, and therefore, the use of diagnostic equipment has become indispensable. This also applies when fitting a new component, as these often require recoding to match the car.

Additionally, we can re code keys on many models, code alarms, make rev range checks and interrogate engine hours. 

Williams Crawford has expert, experienced, fully trained, and certified service technicians who specialise in the use of our Porsche diagnostics equipment. So, this combined with our state-of-the-art Porsche diagnostic servicing facilities, makes us one of the leading independent Porsche Specialists in the UK.

For Pre-Purchase Inspections (PPI), scanning the car would be a key part of our inspection report and further advice. 

Our specialist Porsche ECU Diagnostic facility can be used for the most models of Porsche, so if you have a niggling issue or would like a Pre Purchase Inspection (PPI), get in touch with our team to discuss the next steps.

Contact us to schedule your car in for our Porsche diagnostics service. Alternatively, complete the form on this page and one of our expert team will get in touch.

Porsche Diagnostics Enquiry

Please complete the form below to make a Porsche diagnostics enquiry, and one of our team will get in touch, or if it’s urgent please call our service team on 01752 840307

✨ New Year Opening Hours at Williams Crawford ✨

 

As we welcome 2026, please see our New Year opening times below.

We look forward to seeing you in the New Year and wish you a happy and prosperous start to the year ahead!

Wednesday 31st December: Closed

Thursday 1st January: Closed

Friday 2nd January 2026: Open 8.30am – 5.00pm

Saturday 3rd January 2026: Open 9.00am – 4.00pm

Sunday 4th January 2026: Closed

Open as usual from January 5th 2026

If you want to get in touch while we’re closed, feel free to send us an email to info@williamscrawford.co.uk, and one of the team will pick it up as soon as they can.

🎄 Christmas Opening Hours at Williams Crawford 🎄

 

Please take a moment to check our opening times over Christmas.

Wishing all our customers a very Merry Christmas and hope you have a fantastic time with your family & friends.

Wednesday 24th December: Open 8.30am – Noon

Thursday 25th December: Closed

Friday 26th December: Closed

Saturday 27th December: Open 9.00am – 3pm

Sunday 28th December: Closed

Monday 29th December: Open 9.00am – 3pm

Tuesday 30th December: Open 9.00am – 3pm

Wednesday 31st December: Closed

If you want to get in touch while we’re closed, feel free to send us an email to info@williamscrawford.co.uk, and one of the team will pick it up as soon as they can.

Have a great bank holiday!

We’re open as usual this Saturday 9am-4pm, but will be closed for the Bank Holiday on Monday 25th August. If you would like to make an enquiry during this period, please email us and one of the team will come back to you as soon as we return.

How to Choose a Restoration Partner.

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