Here’s an uncomfortable truth: “functional” does not equal “competitive.”

If production is running, orders are shipping and customers are being served, outdated technology can’t be a problem, right?

But in this industry, the difference between functional and competitive often comes down to the quality and timeliness of decision making. And outdated systems, spreadsheets, siloed stand-alone tools and tribal knowledge impact those decisions every day. It’s not that those systems fail. It’s because they force your company to operate in ways that stand in the way of greater success. Here are some reasons why legacy systems are a problem in automotive manufacturing.

Automotive Plants Are Moving Beyond Legacy Software

Download this guide to discover The operational and business risks of maintaining outdated infrastructure.

The Hidden Cost of “Good Enough” Legacy Systems

The true cost of legacy systems is easy to go unnoticed. Over time, workarounds and adaptations crop up and just begin to feel normal or even necessary. Once they’re part of the everyday workflows and processes, it’s harder to see their impact.

The true cost is the amount of time spent managing the shortcomings of existing systems and dealing with the gaps in reliable, timely data. The result is not just limited data visibility, it’s the impact on planning, inventory management and decision making.

“Real-time data flows can be used to enable supply chain participants to more effectively manage procurement and inventory, optimize processes, and respond more quickly to customer or market changes.”

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Why Availability-to-Promise Is Broken

How confident are you that every promise reflects current reality?

If you’re using legacy systems and manual data collection processes, ATP is rarely dynamic. It’s gathered from a variety of sources such as production schedules, inventory reports and supplier estimates.

All that takes time and the result isn’t reliable. Your team knows this and compensates when making commitments to customers. It comes down to a lack of trust in the system. The result is that you’re not able to manage supply and demand. Instead, you’re just firefighting, resorting to rush orders and last-minute schedule revisions. And you’re risking revenue and customer relationships.

Your Inventory Is Telling You You Don’t Trust Your System

The risks of legacy applications extend to inventory management. Even if you’ve developed controls such as targets, safety stock levels and replenishment rules, your system may still be lacking true optimization.

Older legacy systems struggle to keep demand, supply and production aligned in real time. That means planners aren’t able to see the whole picture. That’s where the buffers come in with extra inventory. The outcome is slower inventory turns and more cash tied up in stock.

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When Spreadsheets Become Critical, Systems Have Failed

Let’s be clear: using Excel isn’t the issue. The problem is why it’s being used. If spreadsheets become a system of record for planning, scheduling or ATP, that means your core systems can’t answer critical questions quickly or accurately.

As a result, decision making is a manual process where every update requires human intervention. That’s not scalable and it’s not a system where the data can be trusted.

Siloed Systems Are Driving Bad Decisions

You may be thinking, ‘I have multiple newer systems handling everything.’ While systems such as enterprise resource planning (ERP), manufacturing execution systems (MES) and warehouse management software (WMS) can each offer great functionality when it comes to managing specific areas of the business, without integration data—and decision making—might still be misaligned.

Each system sees the business through a different lens. The ERP is focused on orders, financials and high level planning. Your MES tracks shop floor production and the WMS is centered on inventory movement in the warehouse. Each view is valuable but only shows part of the whole picture. Those data silos mean teams have to reconcile the gaps manually.

What Better Looks Like

Leading automotive manufacturers recognize that they need more connected environments that put real-time decision making at the center of operations. The shift isn’t just about new technology by just modernizing legacy systems. It’s about taking a proactive approach to reimagining business performance through system selection, integration strategy and process improvement.

That’s where experienced guidance makes the difference. Ultra Consultants helps manufacturers in the auto industry assess gaps in their current state, select and implement the right ERP, MES, and supply chain planning software solutions, and ensure those systems actually work together to support better decision-making, business impact and competitive advantage.