ERC Unlocker - ERC Calculator

ERC Unlocker - ERC Calculator

by Zeeshan Ahmad

8 ratings
87 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • February 12, 2018
  • March 22, 2026

Features

ERC Unlocker - ERC Calculator screenshot #1 for iPhone
ERC Unlocker - ERC Calculator screenshot #2 for iPhone
ERC Unlocker - ERC Calculator screenshot #3 for iPhone
ERC Unlocker - ERC Calculator screenshot #4 for iPhone
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About

This utility app calculates ERC codes required for certain car audio and navigation systems after power interruptions. It offers a simple process to regain access to multimedia features by entering your device's serial number.

✓Fast ERC code calculation
✓Supports wide range of audio units
✓Simple instructions
✓Convenient and quick access
✓Customer support
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What's New in ERC Unlocker

1.115

March 22, 2026

What is an ERC Calculator? ERC Calculator is a utility app designed to help users calculate ERC codes for supported car audio and navigation systems. In some vehicles, especially imported models, the multimedia system may require an ERC code after a battery replacement or power interruption. This app provides a simple way to calculate the required code. Key Features • Fast and accurate ERC code calculation • Supports a wide range of compatible audio & navigation units • Simple and easy-to-follow instructions • Designed for convenience and quick access • Customer support available How It Works Turn on your car audio or navigation system Access the service screen to find your 16-digit serial number Enter the serial number into the app The app calculates the corresponding ERC code Enter the code into your audio unit to continue normal functionality Supported Audio Units Following is a list of units which can be unlocked by ERC code supplied by this app. etc where applicable This app is compatible with the following multimedia models: NSZT-W68T, NSZT-Y68T, NSZT-W69T, NSZN-Z68T , and NSCN-W68. NDDN-W57,ND3T,ND3T-W57,NDDN-W57,NDDN-W58,NDDN-W58-W57,NH3N-W58,NH3T-W57,NHBA-W62G,NHDA,NHDA-W61G,NHDT,NHDT-W57,NHDT-W58,NHDT-W58G,NHDT-W58-W59-W58G,NHDT-W59,NHDT-W59G,NHDT-W60G,NHZD-W62G,NHZN,NHZN-,NHZN-W57,NHZN-W57-W58,NHZN-W58,NHZN-W59C,NHZN-W59G,NHZN-W60G,NHZN-W61,NHZN-W61G,NHZT-W58,NHZT-W58G,NSCN-W59C,NSCN-W60,NSCP-W61,NSCP-W62,NSCT-W61,NSDD-W61,NSDN-W59,NSDN-W60,NSDT-W59,NSZT-W60,NSZT-W61G,NSZT-W62G,W60G,W60G-NHDT. Important Information • This app is intended for use with compatible devices only • Results depend on correct serial number input • This app is not affiliated with or endorsed by any vehicle manufacturer • Please ensure you have proper authorization to access your audio Why Choose ERC Calculator™? ERC Calculator provides a reliable and user-friendly way to calculate ERC codes and restore access to essential multimedia features after power interruptions.

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$9.99

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User reviews

Not working

I tried it and didn't work for me (paid 20$)

It worked for us.

Worked immediately. pls ignore the negative comments. Make sure you have the compatible system.

Worked smoothly

しっかりと対応機種及び使用方法を確認(1回生成に1500円)すれば、問題無く解除コードが生成されました。ありがたいですね。

Thanks for making this app.
Worked smoothly.
I guess you should emphasize reading the explanations (
1 generation 1500yen) prior to usage for those who are still looking for solutions.

NSZN-Z66T

スピーカー信号を取るためにナビを外したらロックがかかってしまいました。年末でディーラーも休みのためネットで調べたらここへ辿り着きました。
問題無く解除出来ました。助かりました。ありがとうございました。

解除できました

ソレノイドバルブ交換時にバッテリーを外した際にロックがかかってしまいましたが、メニュー長押し+スモールオンオフ、1500円で発行されたERCコード入力で無事ナビが復活しました。
機種はNSCP W61です

FAQ

What does this app do?

This app is a utility designed to calculate ERC (Electronic Receiver Code) codes for specific car audio and navigation systems. These codes are often required after a battery replacement or power interruption to restore full functionality to your multimedia system.

How do I use the app to get an ERC code?

First, turn on your car's audio or navigation system and access its service screen to find the 16-digit serial number. Then, enter this serial number into the app. The app will then calculate the corresponding ERC code, which you can enter back into your audio unit.

Is this app free to use?

The app is free to download and use for calculating ERC codes. However, it may offer in-app purchases for additional features or services, as indicated by its monetization model.

What car audio and navigation systems are supported?

The app supports a wide range of compatible audio and navigation units, including specific models like NSZT-W68T, NSZT-Y68T, NSZT-W69T, NSZN-Z68T, NSCN-W68, and various NHDD, NH3T, NHBA, NHDA, NHDT, NHZD, NHZN, NSCN, NSCP, NSCT, NSDD, NSDN, NSDT, and NSZT models. A comprehensive list is available within the app's description.

What happens if I enter the wrong serial number?

The accuracy of the calculated ERC code depends on the correct input of your device's serial number. If an incorrect serial number is entered, the app will likely generate an incorrect code, and your audio unit may not unlock. It's important to double-check the serial number before proceeding.