Caterpillar 3406E — Reading customer passwords with Cat ET
Operation
For the Caterpillar 3406E, from the Caterpillar service manual.
Applies to: Caterpillar 3406E
Procedure
- Use Cat ET to access the Utilities menu. Then access View Passwords under the Utilities menu.
- When the Factory Password screen appears, record the information that is listed on the Factory Passwords Worksheet.
- Obtain the factory passwords. The information that is recorded on the Factory Passwords Worksheet must be provided.
- From the Factory Password screen, enter the Factory Passwords.
- When the Read Customer Passwords screen appears, record the Customer Passwords.
Tools required
- Caterpillar Electronic Technician (Cat ET) Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Caterpillar 3406E →
Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.