A 0 km complaint can turn the whole day upside down.
The customer reports a problem, production asks whether it should stop the line, logistics checks shipments, and someone expects an answer “right now”. In moments like this, it is easy to fall into chaos. And very often, the chaos creates a bigger problem than the defect itself.
A 0 km complaint is a customer claim related to parts delivered to the customer’s plant, usually before the vehicle has been sold to the final customer. In practice, this means time pressure, fast containment actions, and the need for clear communication.
During the first 24 hours, the point is not to guess the root cause. The point is to protect the customer, narrow down the risk, and show that the topic has an owner.
0 km complaint – what to do immediately
The first step is to appoint the person who will lead the topic.
Without this, the usual mess appears very quickly: one person writes to the customer, another starts sorting, a third person makes decisions about shipments, and nobody has the full picture. With customer complaints, this is a simple route to escalation.
The second step is immediate action. Depending on the situation, this may include:
- shipment blocking,
- 100% sorting,
- additional inspection,
- blocking the suspect batch,
- checking WIP, meaning work in progress, and warehouse stock,
- verifying deliveries already on the way to the customer.
The third step is physical containment of suspect parts. Not “later”. Not on a rack next to the workstation. Not in a red box that everyone can access. If a part is suspected, it must be separated, identified, and blocked. Otherwise, the issue can very quickly return to the line or to the customer.
What data should be collected after a 0 km complaint?
After a problem is reported, many people want to send a clear answer to the customer immediately. The problem is that an answer without data often comes back a few hours later as problem number two.
At the beginning, confirm:
- part number,
- production batch number,
- production date and shift,
- number of suspect parts,
- photos and defect description,
- detection location,
- shipment status,
- traceability.
This is enough to start assessing the scope of the problem. Only then should you go deeper: which machine, which tool, which material, whether sorting was performed, and whether a similar issue had already appeared before.
At this stage, it is not yet about a full root cause analysis. It is about avoiding actions without a plan.
How to respond to the customer after a 0 km complaint
The first message to the customer should do one thing: show that the topic is under control. Such an email should include:
- confirmation that the complaint has been received,
- information about the containment actions already started,
- the scope of the current verification,
- the timing of the next update.
Do not declare too early:
- the root cause,
- the full scale of the problem,
- the closure date.
This is a common mistake. Someone wants to calm the customer down, so they send a quick theory. A moment later, new data appears and the company has to correct its own words. It is better to write less, but based on facts.
I know this may not sound politically correct, but sometimes the less information, the better. It is a bit like playing chess.
If you show the customer all information too early, then during the next complaints they may expect the same level of detail again.
0 km complaint and team organization
A 0 km complaint is not a topic for the quality department only.
During the first day, you usually need to involve production, process quality, logistics, warehouse, and sometimes also the component supplier. From the beginning, 8D assumes teamwork. QRQC, on the other hand, helps translate this cooperation into quick action when defining the source of the problem.
A simple rule works well: meet at the place where the problem occurred. Go to the gemba. Do not manage the topic only by email.
First, see what is really happening on site. Then describe the facts, define immediate actions, and agree on the next steps. This approach is much healthier than a dozen emails based on different versions of the story.
5 mistakes when managing a 0 km complaint
1. No topic owner
Everyone is copied in the email, but nobody leads the whole topic.
2. Sorting without a defined scope
An external company, or your internal team, sorts everything but does not know exactly which batches are at risk.
3. Replying to the customer too quickly
The first theory is sent out faster than process data is collected, which later generates a number of additional questions during customer meetings.
4. Putting suspect parts aside “for later”
Suspect parts are placed next to the workstation instead of being moved to a controlled nonconforming material area.
5. Treating temporary action as the solution
100% sorting protects the situation, but it does not remove the cause of the problem.
What should be ready after 24 hours?
After the first day, you do not need to know the root cause yet. After 24 hours, you should have:
- the customer protected,
- temporary actions implemented,
- the initial risk scope defined,
- a topic owner assigned,
- data collected for further analysis,
- the timing of the next customer update,
- a team assigned to solve the problem.
If you have these points covered, the situation is under control.
Summary
A 0 km complaint does not have to mean a disaster. The problem starts when the organization cannot react quickly, consistently, and based on facts.
First, protect the customer.
Then collect the data.
Next, narrow down the scope of the problem.
Only after that should you go deeper into the root cause.
Why?
Because the first 24 hours after a 0 km complaint are a test not only of the process, but also of how the whole organization works.
0 km complaint – frequently asked questions
What is a 0 km complaint?
A 0 km complaint is a quality or logistics claim related to parts delivered to the customer’s plant, usually before the vehicle is used by the final customer.
What should be done first after a 0 km complaint?
First, appoint a topic owner, start containment actions, and check the scope of the risk.
Do you need to know the root cause after 24 hours?
No. After 24 hours, protecting the customer, defining the risk scope, and setting the next action plan are more important.
What data should be collected after a 0 km complaint?
Part number, batch number, production date, shift, number of suspect parts, photos, detection location, shipment status, and traceability.
Dariusz Kowalczyk


