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SZ Viewer: read DTC for Suzuki

Name: SZ Viewer: read DTC for Suzuki
Rating: 4.7 (1 reviews)
Author: Anton Malykh

Category : Auto & VehiclesVersion: A1-2024-08-26

Size：2.1 MBOS : Android 4.0+

Developer：Anton Malykh Update：May 15,2025

4.7

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Application Description

To effectively read and manage Diagnostic Trouble Codes (DTCs) from Suzuki control modules using an ELM327 adapter, consider the following detailed approach:

Using ELM327 to Read DTCs from Suzuki Control Modules

The SZ Viewer A1 application, designed specifically for Suzuki vehicles, utilizes both standard OBDII protocols and Suzuki-specific protocols via K-Line and CAN bus. This tool is essential for not only reading but also resetting DTCs, including extended and historical codes, across a wide range of Suzuki control modules.

Compatibility and Requirements:

Vehicle Compatibility: SZ Viewer A1 supports Japanese domestic market (JDM) Suzuki vehicles as well, even if they do not adhere to OBDII standards. This broadens the application's utility across different Suzuki models.
ELM327 Adapter: To use this application, you'll need an ELM327 adapter with Bluetooth or Wi-Fi capabilities, specifically version 1.3 or later. Beware of counterfeit adapters labeled as v2.1 or some v1.5 versions; these do not support the necessary ELM327 commands and will not work with this software.
Unsupported Protocols: Note that older Suzuki vehicles (pre-2000 model year) using the SDL protocol (5V levels, pin #9 of the OBDII connector) are not compatible due to physical incompatibility with the ELM327 adapter.

Diagnostic Capabilities:

The SZ Viewer A1 application enables you to view and reset DTC errors across various control modules in Suzuki vehicles. These modules include but are not limited to:

Powertrain
Engine
AT/CVT
ABS/ESP
SRS
AC/HVAC
BCM
PS
EMCD/4WD/AHL
TPMS

Please be aware that not all these modules may be present in every Suzuki vehicle.

Special Considerations:

When diagnosing the HVAC module, you might encounter DTCs B1504 or B150A, which indicate insufficient illumination of the sunload sensor. This is a normal occurrence during diagnostic procedures and does not signify a malfunction of the sunload sensor itself.

By following these guidelines and using the appropriate ELM327 adapter, you can effectively manage and troubleshoot DTCs in Suzuki vehicles using the SZ Viewer A1 application.

Auto & Vehicles