Directed Electronics 998T BitWriter Programmer Manual

The Directed Electronics 998T BitWriter Programmer is a professional-grade programming tool designed for automotive security systems, specifically for programming transponder keys and remote entry systems. It features USB connectivity, compatibility with various vehicle models, user-friendly software interface, and advanced diagnostic capabilities. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to Vehicles 7. Programming Procedures 8. Advanced Functions 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: USB programming interface, Vehicle diagnostic port connector, Status LED indicators, Function buttons, Software installation CD.

Feature	Description
USB Interface	For computer connection and software updates
Vehicle Connector	OBD-II compatible interface
Status LEDs	Power, Communication, Error indicators
Function Buttons	Program, Read, Erase, Test operations
Software CD	Includes programming software and drivers
Power Source	USB powered or vehicle battery
Memory Storage	Internal storage for key codes and programming data
Compatibility	Supports multiple vehicle manufacturers
Update Capability	Online software updates available
Diagnostic Functions	Reads and clears vehicle security codes

Installation

Unpack and inspect contents. Ensure all components are present.

Software Installation: Insert CD, run setup.exe, follow installation wizard.
Driver Installation: Connect programmer via USB, allow Windows to install drivers.
Vehicle Connection: Connect to vehicle OBD-II port with ignition off.
Power Connection: Ensure stable power source (USB or vehicle battery).

WARNING! Disconnect from vehicle before starting engine. Ensure proper grounding to prevent electrical damage.

First-Time Setup

Launch software; follow on-screen configuration.

Software Registration: Enter serial number for activation.
Vehicle Selection: Choose manufacturer, model, and year from database.
System Check: Run diagnostic to verify communication with vehicle.
Key Programming: Follow prompts to program first transponder key.

CAUTION! Ensure vehicle battery is fully charged before programming to prevent interruption.

Specifications

Interface: USB 2.0 compatible
Vehicle Connection: OBD-II standard connector
Power Requirements: 5V DC via USB or 12V vehicle battery
Operating System: Windows 7/8/10/11
Memory: 512MB internal storage
Supported Protocols: CAN, K-Line, J1850, ISO9141
Update Method: Online via software interface
Operating Temp: 0°C to 50°C (32°F to 122°F)
Dimensions: 150mm x 80mm x 25mm
Weight: 200g

Controls and Settings

Access functions via software interface or hardware buttons.

Software Controls: Program Key, Read Data, Erase Memory, Diagnostic Scan, System Update.

Hardware Buttons: POWER, PROGRAM, READ, ERASE, TEST.

Settings: Vehicle Database Selection, Communication Settings, Security Access Levels, Data Backup/Restore, Update Preferences. Security: Password protection for sensitive operations, User access levels (Technician, Admin).

Connecting to Vehicles

OBD-II port connection for most vehicles. Special adapters available for older models.

Turn ignition to OFF position before connecting.
Locate OBD-II port (usually under dashboard).
Connect programmer securely to vehicle port.
Turn ignition to ON position (do not start engine).
Select correct vehicle protocol in software.

Tip: Always verify vehicle compatibility before attempting programming.

Programming Procedures

Supports transponder key programming, remote entry programming, and immobilizer system configuration.

Key Programming: Select "Program Key" from main menu.
Follow on-screen instructions for specific vehicle model.
Insert original working key when prompted.
Program additional keys as needed.
Remote Programming: Select "Program Remote" for keyless entry systems.
Immobilizer Reset: Use "Reset Immobilizer" for security system issues.
Data Reading: Extract key codes and security data from vehicle ECU.
Memory Erase: Clear previous programming data when needed.

WARNING! Do not interrupt programming process. Ensure stable power throughout operation.

Advanced Functions

Diagnostic Scanning: Read and clear security-related trouble codes. Data Logging: Record programming sessions for documentation. Batch Programming: Program multiple vehicles efficiently. Custom Programming: Create custom key programming sequences.

Care & Maintenance

Store in protective case when not in use. Keep connectors clean and free from debris.

CAUTION! Avoid exposure to moisture and extreme temperatures. Use only approved cleaning materials.

Regulatory Information

FCC Part 15: Class B digital device compliant. CE certified for European markets. Copyright © 2024 Directed Electronics; all rights reserved. For technical support, visit www.directed.com or contact 1-800-876-0800. Software updates available through customer portal.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No communication with vehicle	Loose connection/wrong protocol	Check OBD-II connection; verify vehicle protocol selection.
Software not recognizing device	Driver issues/USB connection	Reinstall drivers; try different USB port; restart software.
Programming failure	Low battery/incorrect procedure	Ensure vehicle battery charged; follow exact programming sequence.
Device not powering on	Power source issues	Check USB cable; verify vehicle power; test with different power source.
Error messages during operation	Software corruption	Update software; reinstall application; contact technical support.

Reset: Disconnect from all power sources for 30 seconds, then reconnect.

Service: 1-800-876-0800; www.directed.com/support