Tech 2 Manual - OTC Tools and Equipment

The OTC Tech 2 Diagnostic Scanner, Model 237779, is a professional-grade handheld scan tool designed to provide comprehensive diagnostic capabilities for automotive technicians. Trusted in dealerships worldwide since 1997, this essential equipment delivers authentic General Motors (GM) software coverage, allowing for in-depth analysis and troubleshooting of complex vehicle systems. It offers the precision and functionality required for accurate diagnosis and efficient repairs in a professional shop environment.

Key Features

• Authentic GM Software Coverage: Access dealer-level diagnostics for General Motors vehicles, including Chevrolet, GMC, Cadillac, and Saturn models from 1992 to 2013, with support for OBD I, OBD II, and GMLAN protocols.
• Reprogrammable PCMCIA Card: Easily update diagnostic application software via a PC to ensure compatibility with evolving vehicle models and systems.
• High-Visibility LCD Screen: A backlit screen displays up to nine PIDs simultaneously, offering custom lists, a line graph mode for real-time data plotting, and quick hot-key access.
• Bi-directional Control: Perform full bi-directional control over powertrain, chassis, and body systems for comprehensive testing and component activation.
• Technician-Friendly Design: Features adjustable hand straps for comfortable one-handed operation and a durable 29-key hydrocarbon-resistant membrane keypad for logical navigation.
• Integrated Connectivity: An RS232 serial port allows connection to a PC for utilizing ACDelco TIS 2 Web applications and further enhancing diagnostic capabilities.

Applications

The OTC Tech 2 is indispensable for professional mechanics diagnosing a wide range of issues. It provides the ability to read and clear trouble codes, perform system resets, and conduct advanced diagnostics across all powertrain, chassis, and body systems. Technicians can utilize it for functions such as recalibrating blend door actuators and activating ABS pumps for brake bleeding procedures. With the optional CANdi module, the Tech 2 supports enhanced diagnostics on GMLAN (CAN) vehicles, extending its utility for a broader range of newer GM models. Beyond GM, with additional OEM-purchased software, the Tech 2 can also diagnose Izuzu, Saab, and Suzuki vehicles.