Wiring issues most common fault in ERP 2.0 units ahead of 2027 transition: LTA

Workshops also report issues such as flickering displays and loss of power, while the Land Transport Authority says the proportion of cars requiring follow-ups fell from 1.3 per cent in May last year to 0.2 per cent in July.

An ERP 2.0 on-board unit. (File photo: CNA/Hanidah Amin)

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SINGAPORE: Wiring issues remain the most common problem with the new Electronic Road Pricing (ERP) 2.0 on-board units (OBUs), authorities say, months before Singapore switches to the new system.

Around 1,500 cars, or 0.2 per cent of the roughly 700,000 fitted with OBUs as of July, required workshop follow-ups, according to the Land Transport Authority (LTA).

This was down from 1.3 per cent in May last year.

Some cases, however, can be more complicated to fix. LTA said an average of about six cases a month require further troubleshooting and multiple visits to a workshop.

REPEAT OBU INSPECTIONS

Car rental firm MV Auto is among those that have had to send some vehicles back more than once.

The company had expected OBU installation to be a straightforward, one-off process. Instead, it has received repeated notices asking it to send vehicles back for inspection.

Sales manager Darren Ang said the company had received about 40 to 50 notices for OBU inspections after the units were installed.

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As its rental cars are often with customers, the company sometimes has to arrange for a vehicle to be returned or travel to the customer to provide a replacement car.

The affected vehicle is then sent for inspection, which Mr Ang said typically takes about half a day, before it is returned to the customer. He said this results in additional costs and inconvenience.

One car in the company's rental fleet had to be sent back for inspection three to four times.

Mr Ang said the company was sometimes told that wiring, card readers or display screens had been changed, but was not given a clear explanation of the problem.

“There are some times when they are very vague. They just tell you, ‘Oh, we've checked the car, we've checked the OBU, and it's done.’ And then you can just take your car and go off,” he added.

WIRING, FLICKERING SCREENS AND POWER LOSS

VICOM and Indeco, which operate authorised OBU inspection centres, told CNA that rectification cases remain low.

Indeco said the percentage of rectification cases among the OBU installations it handles was not significant, although the absolute number may increase as more units are installed.

Common post-installation issues it has encountered include on-screen error messages, blank or flickering displays, intermittent OBU operation and vehicle identification number verification notifications.

VICOM similarly said the number of vehicles inspected for OBU-related issues at its centres has not been significant.

Most cases were isolated and one-off, it said, with no recurring issues observed. The most common fault it sees is a loss of power, which can occur for various reasons.

VICOM said diagnosis and rectification can typically be completed within a single visit.

LTA said some motorists have also experienced unresponsive displays at car parks or gantries, which may be due to hardware malfunctions.

For car parks with electronic parking systems, feedback about gantry detection problems has fallen significantly from 2025 and now averages about two cases a month, according to the authority.

In some instances, a motorist may have difficulty entering a car park because the OBU antenna is not within range of the car park antenna. LTA said this could be resolved by repositioning the vehicle or recalibrating the affected antenna.

LEARNING FROM REPEATED FAILURES

Professor Lee Poh Seng, head of the Department of Mechanical Engineering at the National University of Singapore, said some problems are inevitable in a rollout of this scale.

But cases where motorists have to make repeated visits to workshops warrant closer attention, he said.

"If a motorist has to return several times, it suggests we may be treating the symptom rather than identifying the root cause," Prof Lee said.

"In fact, with a large install base, we should increasingly be able to identify recurring failure modes and develop vehicle-specific installation and troubleshooting protocols."

He said information from failures and repairs should be recorded, with lessons from the cases shared across the workshop network.

LTA said it would continue working with vehicle distributors, authorised dealers and workshops to identify the installation requirements for different types of vehicles.

It will also help expedite appointments at OBU Care Centres and provide on-site technical support.

With Singapore switching to ERP 2.0 from Jan 1 next year , Prof Lee added that the focus should shift to ensuring motorists are charged accurately.

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维修车间也报告了诸如显示屏闪烁和断电等问题，而陆路交通管理局表示，需要后续跟进的车辆比例从去年 5 月的 1.3% 下降到 7 月的 0.2%。

车载ERP 2.0系统。（资料照片：CNA/Hanidah Amin）

这段音频是由人工智能工具生成的。

新加坡：当局表示，在新加坡切换到新系统（ERP 2.0）的几个月前，线路问题仍然是新型车载电子道路收费系统（OBU）最常见的问题。

据陆路交通管理局 (LTA) 称，截至 7 月，在约 70 万辆安装了车载单元 (OBU) 的汽车中，约有 1500 辆（占 0.2%）需要送修进行后续维修。

这一比例低于去年5月份的1.3%。

然而，有些案例的解决可能更为复杂。陆路交通管理局表示，平均每月约有六起案例需要进一步排查故障并多次送修。

重复 OBU 检查

汽车租赁公司 MV Auto 是不得不多次退回某些车辆的公司之一。

该公司原本以为车载单元（OBU）的安装会是一个简单的一次性过程。然而，它却多次收到通知，要求其将车辆送回进行检查。

销售经理 Darren Ang 表示，这些设备安装后，公司收到了大约 40 到 50 份 OBU 检查通知。

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由于租赁车辆经常被客户占用，该公司有时不得不安排车辆归还或前往客户处提供替代车辆。

受影响的车辆随后会被送去检查，Ang先生表示，这通常需要半天左右的时间，之后才会归还给客户。他表示，这会导致额外的费用和不便。

该公司租赁车队中的一辆车需要送回进行三到四次检查。

Ang 先生表示，公司有时会被告知线路、读卡器或显示屏已被更换，但没有得到关于问题的明确解释。

“有时候他们的说法很含糊。他们只会告诉你，‘哦，我们已经检查过车了，我们已经检查过车载单元了，搞定了。’然后你就可以把车开走了，”他补充道。

线路故障、屏幕闪烁和断电

VICOM 和 Indeco 是经授权的 OBU 检查中心的运营方，它们告诉 CNA，整改案例仍然很少。

Indeco表示，在其处理的OBU安装项目中，整改案例的比例并不高，尽管随着安装的设备越来越多，绝对数量可能会增加。

安装后遇到的常见问题包括屏幕错误信息、空白或闪烁的显示屏、间歇性的车载单元 (OBU) 操作和车辆识别号码验证通知。

VICOM 也表示，在其中心接受 OBU 相关问题检查的车辆数量并不多。

报告称，大多数案例都是孤立且一次性的，没有发现重复出现的问题。最常见的故障是断电，而断电的原因多种多样。

VICOM表示，诊断和治疗通常可以在一次就诊内完成。

陆路交通管理局表示，一些驾车人士也遇到过停车场或龙门架显示屏无反应的情况，这可能是由于硬件故障造成的。

据有关部门称，对于配备电子停车系统的停车场，关于龙门架检测问题的反馈从 2025 年起已大幅下降，现在平均每月约有两起案例。

在某些情况下，驾驶员可能因车载单元（OBU）天线不在停车场天线的有效范围内而难以进入停车场。陆路交通管理局（LTA）表示，可通过重新定位车辆或重新校准受影响的天线来解决此问题。

从反复失败中学习

新加坡国立大学机械工程系主任李宝生教授表示，如此大规模的推广活动难免会出现一些问题。

但他表示，如果车主需要多次前往维修厂，则需要更加密切地关注。

李教授说：“如果一位驾车者需要多次返回，这表明我们可能只是在治标不治本。”

“事实上，随着安装基数的扩大，我们应该能够越来越容易地识别出反复出现的故障模式，并制定针对特定车辆的安装和故障排除规程。”

他表示，故障和维修信息应该被记录下来，并将从中吸取的教训在整个维修车间网络中共享。

陆路交通管理局表示，将继续与车辆经销商、授权经销商和维修厂合作，确定不同类型车辆的安装要求。

它还将有助于加快 OBU 护理中心的预约速度，并提供现场技术支持。

李教授补充说，随着新加坡从明年1月1日起过渡到ERP 2.0，重点应该转移到确保车主被准确收费上。

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