ERC unlocker

ERC result codes, calculated simply.

Enter a 16-character ERC code and get the result instantly.

All calculations run locally in your browser. Nothing is sent to any server.

Result code

--------

First value --------
Second value --------
Bit-reversed value --------
XOR result --------

Supported models

Supported navigation models are listed below.

ND3T-W56 ND3T-W57 NDCN-D55 NDCN-W55 NDDA-W55 NDDA-W56 NDDN-W56 NDDN-W57 NDDN-W58 NH3N-W58 NH3T-W57 NHBA-W62G NHDA-W61G NHDT-W57 NHDT-W58 NHDT-W58G NHDT-W59 NHDT-W59G NHDT-W60G NHZD-W62G NHZN-W57 NHZN-W58 NHZN-W59C NHZN-W59G NHZN-W60G NHZN-W61 NHZN-W61G NHZT-W58 NHZT-W58G NSCN-W59C NSCN-W60 NSCP-W61 NSCP-W62 NSCP-W64 NSCT-W61 NSDD-W61 NSDN-W59 NSDN-W60 NSDT-W59 NSZA-X64T NSZT-W60 NSZT-W61G NSZT-W62G NHZN-X62G NSZT-W64 NMCN-D51 NMCN-W51M NMCT-D51 NMCT-W51 DSZT-YC4T W60G NSZT-Y66T NSZT-W66T NSCD-W66

Frequently Asked Questions

Is ERC Decoder free to use?

Yes. ERC Decoder is completely free to use. No registration, login, or software installation is required.

Which models are supported?

ERC Decoder supports a wide range of Toyota and Daihatsu navigation models, including NSZT, NHZN, NSCP, NDDN, NHDT, NDDA, and many others. Open the supported models list on this page to check your specific model.

What is an ERC code?

An ERC (Emergency Recovery Code) is a 16-character hexadecimal code used by certain Toyota and Daihatsu navigation systems. When a navigation unit is locked, you can use this code to calculate the result code needed to unlock it.

Is my data safe?

Yes. All calculations are performed entirely in your browser using JavaScript. Your ERC code is never transmitted to any server.

Where can I read the usage terms?

Please see the Terms of Use and Privacy Policy linked at the bottom of this page.

ERC unlock tool for Toyota and Daihatsu navigation

ERC Decoder is a free ERC unlock calculator for Toyota and Daihatsu car navigation systems. It supports ERC code entry, ERC unlock, and result code calculation for a wide range of navigation models including NSZT, NHZN, NSCP, NDDN, and more. No software installation required — works directly in your browser.

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