Keeping records and evidence after a repair goes wrong

Build one timeline, not a pile of paperwork

The Practice Direction on Pre-Action Conduct and Protocols says that where no specific protocol applies, the steps before a claim will usually include the claimant writing to the defendant with concise details of the claim, including the basis on which the claim is made, a summary of the facts, what the claimant wants from the defendant and, if money, how the amount is calculated. Sources: ^[1]

It also says the steps will usually include the parties disclosing key documents relevant to the issues in dispute. Sources: ^[1]

The same Practice Direction warns that a person who knowingly makes a false statement in a pre-action protocol letter, or in another document prepared in anticipation of legal proceedings, may be subject to proceedings for contempt of court. Sources: ^[1]

the parties disclosing key documents relevant to the issues in dispute

A shoebox of receipts can still contain evidence, but without an order or explanation it may be difficult to understand how each item relates to the repair and what happened next. Put the material into one dated sequence: this was the symptom, this is when the car went in, this is what I was told, this is what I paid, this is what happened next. The sequence helps another person check the account and identify anything they disagree with or need clarified.

Write it as you go. A note made the same day carries the detail you will not remember three months later — the mileage on the clock, the name of the person on the desk, whether the light was steady or flashing.

What to do

• Keep the timeline in one place and in date order — a single document, spreadsheet or notebook. Do not spread it across message threads you will have to reconstruct later.
• Record mileage alongside relevant dates where you have it. It can help link your account to the garage's paperwork and the mileage recorded in the MOT history, while any disagreement between those records remains open to checking.
• Write down what you were told even when it sounds helpful. 'He said he'd sort it' is harder for another person to check than 'on 4 March the service manager said the turbo would be replaced under goodwill at no charge'.
• Note refusals and silences too, with dates. A gap in the timeline where a garage did not reply is itself part of the story.
• Keep a note of what the dispute has actually cost you, with receipts, rather than working out a round figure at the end. The working lets another person check how you calculated the amount.

Checklist

• The date you first noticed the symptom, and the mileage on that date.
• What the car was actually doing: the fault code if you have one, whether the warning light was steady or flashing, the noise, the smell, the speed, the temperature, the weather.
• The date and mileage each time the car went into a garage, and the date and mileage each time it came back out.
• Which garage, and the name of the person you dealt with on each visit.
• Every conversation: the date, whether it was in person, by phone, by email or by text, who said it, and what was agreed or refused.
• Every payment: date, amount, what it was for, and how you paid it.
• The date the symptom came back, and the mileage then.
• Any day the car was off the road, and anything that cost you as a result.

The paperwork to keep, in its original form

The Department of Justice's current Small Claims Forms page links the Small Claims Application Form and Small Claims Checklist for people completing a paper application in Northern Ireland. Sources: ^[5]

The Small Claims Checklist linked from that page asks whether the applicant has provided two additional copies of the application form and any accompanying documentation, plus an additional copy for each respondent where there is more than one, and warns that an application will be returned if information or copies are missing. Sources: ^[6]

The Motor Ombudsman says that if it takes on a complaint it will ask you to supply any evidence needed to support your case, and that this could include invoices, correspondence such as emails or letters, the business's final response, and any technical or independent reports. Sources: ^[13]

The Motor Ombudsman says it is important to keep copies of all correspondence and paperwork related to your complaint. Sources: ^[13]

Keep the originals and work from copies. Do not annotate, crop, correct or tidy up a document you may later hand to somebody else — write your comments on a separate note and keep the document as it was given to you.

What to do

• Ask for the old parts before the work starts, not after they have gone in the scrap bin. Nothing on this page says a garage has to give them to you; it is something to agree in advance, and to record in writing when it is agreed.
• If you do get an old part, label it with the date, the mileage and which invoice it came off, and keep it somewhere it will not be thrown out.
• Ask for a copy of the job card as well as the invoice. The invoice records what you were charged for; the job card is more likely to record the mileage and what the technician wrote down as having found.
• Photograph or scan every paper document when you receive it. Thermal receipts can fade, making the amount, date or trader details difficult to read later.
• Keep at least one copy somewhere other than the phone in your pocket — email the file to yourself, or copy it to a computer or cloud account.
• If a garage will not give you paperwork, ask for it in writing and keep the request. The refusal, dated, is a record in its own right.
• For a Northern Ireland paper small claim, use the current application form and checklist linked from the Department of Justice forms page. If you are unsure what counts as accompanying documentation or how many copies your circumstances require, confirm the pack with the Civil Processing Centre before sending it.

Checklist

• Every invoice and receipt, including the ones for work you were happy with, because they can help show what was charged for and when.
• The job card or work sheet, which may record the mileage in and out, the technician's notes and the parts recorded as fitted.
• The estimate or quote, and anything that changed it — the text or email authorising extra work, and the figure you approved.
• The booking confirmation, and any courtesy-car or key-drop paperwork showing the dates the garage had the vehicle.
• The fault code record: any printout, photograph or emailed report showing the codes found, whether they were stored, pending or permanent, and the freeze-frame data if it was given to you.
• Any diagnostic or inspection report, including one that found nothing.
• Card statements or bank entries for each payment, matched to the invoices.
• The warranty or guarantee document for the parts and labour, with its start date.
• Old parts, if you can get them.
• Any correspondence from a warranty provider, insurer or manufacturer about the same fault.

Department of Justice — Small Claims Forms

How to take a photograph that is worth having

A close-up taken in a car park may be difficult to connect to a particular vehicle, date or mileage. A more useful set of images gives another person context for four questions: which vehicle is shown, what mileage is visible, when the images were made, and what they are intended to show.

What to do

• Take the wide shot and the close-up in the same session, so another person can see why the images are presented as one sequence.
• Leave the original files alone. Do not crop, rotate, filter or re-save them, and do not send them through anything that strips or rewrites the file — keep the untouched originals and share copies.
• Note the date, time, mileage and location in your timeline as you take the photographs, rather than relying on the file details to speak for themselves later.
• Photograph the car before it goes in as well as after it comes out. A before-and-after pair can make the sequence easier to understand than an after image on its own.
• If you are recording a noise, say the date, the mileage and what you are about to do out loud at the start of the clip.

Checklist

• A wide shot showing the whole vehicle with the number plate legible, so the images can be tied to your car.
• A shot of the vehicle identification number where it is visible, for example through the windscreen, if the number plate alone is not enough.
• The instrument cluster showing the odometer reading and any warning lights visible when the image was made.
• A close-up of the defect itself, then a second shot pulled back far enough to show where on the vehicle it is.
• Anything with a date on it in the same frame where you can manage it — the invoice, a newspaper, a dated screen.
• For an intermittent fault, keep any existing short video that captures the noise, flashing light or gauge movement, together with its original file.

An official record you can retrieve

GOV.UK provides a service to check the past results of a vehicle's MOT tests, including whether it passed or failed and the mileage recorded when it was tested. Sources: ^[9]

GOV.UK says the service also lets you check when the next MOT is due and download a copy of the current and previous MOT certificates. Sources: ^[9]

GOV.UK says that for a test done in England, Scotland or Wales you can also see where each test was done, for which you need the 11-digit number from the vehicle's log book (V5C), and what parts failed at each test and whether any parts had minor problems. Sources: ^[9]

GOV.UK says you need the vehicle's number plate to use the service, that for cars, motorcycles and vans you can only get results for tests done since 2005, and that for a test done in Northern Ireland you can only get results for tests done since 2017. Sources: ^[9]

For MOT records from Great Britain, GOV.UK provides routes to correct wrong mileage, vehicle details or MOT-centre details, and to add a missing test record or remove a record that does not belong to the vehicle. Sources: ^[10]

The MOT history is an official display of what was recorded at each test. Read alongside invoices, job cards and other records, it may corroborate dates, recorded mileages and defects noted at a test, but it is not a verdict on a repair dispute. A record can contain an error — GOV.UK provides correction routes for tests in Great Britain — and if the garage in dispute also carried out the MOT, the record is not independent of that garage.

What to do

• Download and save the certificates now rather than assuming the service will still show what you need later.
• Compare the mileage recorded in the MOT history with the mileage written on your invoices and job cards. Where they disagree, note the discrepancy in your timeline, keep the competing records, and use the official correction route if the MOT entry appears wrong.
• An advisory in the MOT history shows that the item was recorded at that test. Its absence shows only that the advisory was not recorded there at that time; it does not establish that a defect was absent.

OBDCode UK does not ask for or transmit your registration number or the 11-digit V5C document reference. Enter those only after you have opened the official GOV.UK service.

GOV.UK — Check the MOT history of a vehicle

GOV.UK — Fix mistakes on your MOT record (Great Britain)

Move the conversation into writing

Section 50 of the Consumer Rights Act 2015 treats every contract to supply a service as including as a term anything that is said or written to the consumer, by or on behalf of the trader, about the trader or the service, if the consumer takes it into account when deciding to enter into the contract, or when making any decision about the service after entering into the contract. Sources: ^[12]

Section 50 also provides that anything treated as included in that way is subject to anything that qualified it and was said or written to the consumer by the trader on the same occasion, and to any change expressly agreed between the consumer and the trader, before entering into the contract or later. Sources: ^[12]

it is taken into account by the consumer when making any decision about the service after entering into the contract

Many repair disputes include an important phone conversation, such as a call asking whether to carry on and spend more. A call can be difficult for another person to check later, so a short follow-up email can create a dated record of what you understood was agreed.

What to do

• Prefer email or text to a phone call for anything that changes the price, the scope or the deadline. If the garage rings, take the call, then write it down.
• Send the confirming email the same day, while you can still quote figures accurately. Keep it short and factual: the date and time of the call, who you spoke to, what you understood was agreed, and one line inviting them to correct you if that is not right.
• Do not argue in the confirming email. Its job is to fix the facts, not to win the point.
• Keep the sent copy. It records what you said at the time and whether you invited a correction, but a lack of reply does not by itself prove that the garage agreed.
• If a figure came with a spoken qualification — 'roughly', 'if it's straightforward' — put the qualification in the email too. Leaving it out makes your own record less reliable.
• Write down what happened on a call even when there is nothing to confirm, including calls where nobody rang you back.
• Keep your record accurate rather than favourable. Overstating what you were told is not just an own goal at a hearing; the pre-action rules treat a knowingly false statement in a letter of claim as capable of contempt proceedings.

Where the OBDCode Repair Brief fits

For fault codes that have been through our review process, this site can generate a Repair Brief: a one-page printable summary that pulls together the code, the warning-light state you selected as an observation, the reviewed driving conclusion for that code, and the hand-off checklist of things a garage will want to know.

It is a way of walking into a garage able to say clearly what the car is doing, so the conversation starts from the same facts on both sides. That is all it is. It is not evidence of anything, it is not an inspection, it is not a diagnosis of your vehicle, and printing one proves nothing about what a garage did or did not do. The evidence is the invoice, the job card, the dated photograph and your own timeline.

The page is generated entirely in your browser. Nothing you select is sent anywhere, nothing is saved on this site, and there is no account, no upload and no record of your visit attached to it. There is no field for a registration number, a vehicle identification number, contact details or free text, because none of that is collected: the printed sheet carries a blank registration line for you to fill in by hand after printing.

What to do

• Print the Repair Brief before you go, write the registration on it by hand, and take it with the paperwork you already have.
• Treat it as an opening statement, not as a document that settles anything. If a garage disagrees with what it says, that disagreement belongs in your timeline.
• Keep the printed Repair Brief as your working copy for the visit; pair it with a dated handover note, same-day email or garage acknowledgement, and do not treat the copy alone as proof of delivery or agreement.

The Repair Brief is generated in your browser and is not uploaded, transmitted or stored. OBDCode UK does not collect, keep or transmit your registration number, vehicle identification number, contact details or any free text, and the identifier printed on the sheet is a random reference that contains nothing about you or your vehicle.

Guard your own details while you gather evidence

DVLA says that a driving licence and a V5C log book both contain key identifying details that scammers can use to steal your identity or even clone your vehicle, and that you could end up receiving parking, congestion or speeding fines you were not responsible for. Sources: ^[11]

DVLA says the only place to access official information on DVLA and its services is GOV.UK, and that other websites may charge more for services that are cheaper or free on GOV.UK or may even be fraudulent. Sources: ^[11]

DVLA says it will never ask you for your bank account details, and will only ask you to confirm your personal details by email or text if you have a live enquiry with it. Sources: ^[11]

Never share your driving licence or vehicle information online

Collecting evidence can lead to sharing documents with people you do not know — a forum, a marketplace buyer, an online 'claims specialist', or a stranger who offers to look at the paperwork. Records that are relevant to the vehicle may also identify you and your address.

What to do

• Do not post or send photographs of your V5C, your driving licence or your address to anyone who does not need them. A garage repairing your car does not need your log book; a stranger giving an opinion online needs neither.
• Keep the number plate out of images you publish, and out of images you send to people you have no reason to trust. Keep it in the copies you keep for yourself, because that is what ties the images to your vehicle.
• When you do have to send documents — to an ombudsman scheme, an insurer or a court — send them through the organisation's own route, not to an email address someone gave you over the phone.
• Send what the recipient has actually asked for rather than the whole file. Redact only where the recipient does not need the detail, and never alter a document you are putting forward as evidence: if you are worried about what is on it, ask the organisation how it handles your information first.
• Treat unsolicited approaches about your repair claim as a risk rather than an opportunity, and go back to the official route yourself instead of following a link you were sent.

How long to keep it all

In England and Wales, the standard directions in Civil Procedure Rules rule 27.4(3) require each party, at least 14 days before the date fixed for the final hearing of a small claim, to file and serve on every other party copies of all documents, including any expert's report, on which he intends to rely at the hearing. Sources: ^[2]

In Scotland, rule 10.2 of the Simple Procedure Rules requires parties to send each other and the court a List of Evidence Form at least 2 weeks before the hearing, setting out the documents and other evidence they are lodging, and at the same time to lodge the documents and other evidence with the court and send copies to the other parties. Sources: ^{[3] [4]}

Rule 10.3 of the Simple Procedure Rules says a party may bring to a hearing documents and other evidence which have not been lodged with the court, but that the sheriff may refuse to consider them. Sources: ^[3]

In Northern Ireland, Part 26 rule 38 of the County Court Rules (Northern Ireland) 1981 says that, unless the judge orders otherwise, the evidence of an expert witness retained by a party must be given in a written report, and the report together with one copy must be lodged with the small claims office not less than 14 days before the small claims hearing. Sources: ^[7]

The Practice Direction on Pre-Action Conduct and Protocols says that it and the pre-action protocols do not alter the statutory time limits for starting court proceedings, and that if a claim is issued after the relevant limitation period has expired the defendant will be entitled to use that as a defence. Sources: ^[1]

nidirect publishes the Northern Ireland small claims process and online route, the Department of Justice publishes the paper application form and checklist, and the Scottish Courts and Tribunals Service publishes the Simple Procedure route; the deadlines that apply to you come from the process for your own nation. Sources: ^{[8] [5] [4]}

The honest answer is: longer than you expect to need it, because the deadline that matters is the legal time limit for bringing a claim, and that is not the same as the point at which you stop feeling angry about the repair. This page does not give you a number of years. The time limits differ between England and Wales, Scotland and Northern Ireland, they depend on when the problem is treated as having arisen, and missing one may prevent a claim — so take the period from the guide for your own nation rather than from a rule of thumb.

There is a second reason not to throw anything away early. Court procedures can require documents at specified stages, and the point at which you are asked for them may be a long way after the point at which you last thought about them.

What to do

• Keep the whole file until you are satisfied the matter is finished and the time limit for your nation has passed. Check that limit on the guide for where you live rather than assuming it.
• Keep the vehicle-history documents even after a dispute ends. Invoices and service records for a repair you paid for still matter when you sell the car or when the same fault comes back under a warranty.
• Keep a second copy somewhere separate. Phones are lost, laptops fail, and a file that only ever existed in one place is one accident away from not existing.
• If you do part with an original — sending it to an insurer, an inspector or a court — scan it first and note in your timeline what went where and when.
• Do not wait for a deadline to start gathering. In Scotland, rule 10.3 means the sheriff may refuse to consider evidence that was not lodged; in any process, early organisation also leaves time to identify gaps and check the applicable directions.

Important

OBDCode UK cannot tell you what your evidence proves, whether a complaint or claim will succeed, or which time limit applies to your dispute.

Nothing on this page requires a garage to give you a document, return an old part or reply to your email. It sets out what is worth asking for and worth keeping, and what the complaint and court routes will later expect you to produce.

OBDCode UK does not collect, store or forward your records. Every document described here stays with you, and the only copies that exist are the ones you make.