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Screenshosts of SZ Viewer A1
  • SZ Viewer: read DTC for Suzuki
  • SZ Viewer: read DTC for Suzuki
  • SZ Viewer: read DTC for Suzuki
  • SZ Viewer: read DTC for Suzuki
  • SZ Viewer: read DTC for Suzuki
  • SZ Viewer: read DTC for Suzuki
  • SZ Viewer: read DTC for Suzuki
Description of SZ Viewer: read DTC for Suzuki

Developed for Suzuki vehicles SZ Viewer A1 uses specific protocols (via K-Line and CAN bus) along with standard OBDII ones. This application can read and reset DTC codes (including extended and historical codes) of many Suzuki control modules.

Japanese domestic market (JDM) Suzuki cars are also supported even if they do not support OBDII protocols.

An ELM327 adapter (Bluetooth or Wi-Fi) version 1.3 or later is required. Fake (so called v2.1 and some v1.5) ELM327 adapters are not suitable for use as they do not support the required ELM327 commands.

Older (pre-2000 model year) SDL protocol (5V levels, pin #9 of OBDII connector) is not supported because of physical incompatibility with ELM327.

This application allows you to view and reset DTC errors for various control modules: powertrain, engine, AT/CVT, ABS/ESP, SRS, AC/HVAC, BCM, PS, EMCD/4WD/AHL, TPMS, etc. However, not all modules may be present on a tested vehicle.

An HVAC module may display B1504 or B150A DTC due to insufficient illumination of a sunload sensor during a diagnostic procedure. This is not a symptom of a sunload sensor malfunction.

Version history SZ Viewer: read DTC for Suzuki
New in SZ Viewer A1 A1-2023-11-01
A1-2023-11-01

Changing units of measurement.


A1-2023-10-18

Changed DTC tab formatting.

Workaround for the permission bug of Chinese devices running Android 12+.


A1-2023-10-01

A new tab with temperatures.


A1-2023-07-08

Bluetooth functionality now requires permission to find nearby devices (Android 12+).

Ability to access system Bluetooth settings from the "Select Bluetooth device" dialog.

New values for some modules (ESP, ABS, AMT).


A1-2022-10-21

DTC tab.
New in SZ Viewer A1 A1-2023-10-18
A1-2023-10-18

Changed DTC tab formatting.
Workaround for the permission bug of Chinese devices running Android 12+.


A1-2023-10-01

A new tab with temperatures.


A1-2023-07-08

Bluetooth functionality now requires permission to find nearby devices (Android 12+).

Ability to access system Bluetooth settings from the "Select Bluetooth device" dialog.

New values for some modules (ESP, ABS, AMT).


A1-2022-10-21

DTC tab.


A1-2022-10-15

OBD-II K-Line support.
New in SZ Viewer A1 A1-2023-10-01
A1-2023-10-01

A new tab with temperatures.


A1-2023-07-08

Bluetooth functionality now requires permission to find nearby devices (Android 12+).

Ability to access system Bluetooth settings from the "Select Bluetooth device" dialog.

New values for some modules (ESP, ABS, AMT).


A1-2022-10-21

DTC tab.


A1-2022-10-15

OBD-II K-Line support.


A1-2022-09-21

Reading OBD-II monitors.


A1-2022-09-01

OBD-II support - CAN Engine only.


A1-2022-06-02

Minor fix.
New in SZ Viewer A1 A1-2023-07-08
A1-2023-07-08

Bluetooth functionality now requires permission to find nearby devices (Android 12+).

Ability to access system Bluetooth settings from the "Select Bluetooth device" dialog.

New values for some modules (ESP, ABS, AMT).


A1-2022-10-21

DTC tab.


A1-2022-10-15

OBD-II K-Line support.


A1-2022-09-21

Reading OBD-II monitors.


A1-2022-09-01

OBD-II support - CAN Engine only.


A1-2022-06-02

Minor fix.


A1-2022-03-31

Supporting AGS (based on Ignis).
New in SZ Viewer A1 A1-2022-10-27
A1-2022-10-21

DTC tab.


A1-2022-10-15

OBD-II K-Line support.


A1-2022-09-21

Reading OBD-II monitors.


A1-2022-09-01

OBD-II support - CAN Engine only.


A1-2022-06-02

Minor fix.


A1-2022-03-31

Supporting AGS (based on Ignis).


A1-2022-03-24

Emulation data warning.


A1-2021-09-22

Supporting "OBDII v1.5" adapters.


A1-2021-05-28

Some DTC, modules support.


A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).
New in SZ Viewer A1 A1-2022-09-21
A1-2022-09-21

Reading OBD-II monitors.


A1-2022-09-01

OBD-II support - CAN Engine only.


A1-2022-06-02

Minor fix.


A1-2022-03-31

Supporting AGS (based on Ignis).


A1-2022-03-24

Emulation data warning.


A1-2021-09-22

Supporting "OBDII v1.5" adapters.


A1-2021-05-28

Some DTC, modules support.


A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).
New in SZ Viewer A1 A1-2022-09-01
A1-2022-09-01

OBD-II support - CAN Engine only.


A1-2022-06-02

Minor fix.


A1-2022-03-31

Supporting AGS (based on Ignis).


A1-2022-03-24

Emulation data warning.


A1-2021-09-22

Supporting "OBDII v1.5" adapters.


A1-2021-05-28

Some DTC, modules support.


A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).
New in SZ Viewer A1 A1-2022-06-02
A1-2022-06-02

Minor fix.


A1-2022-03-31

Supporting AGS (based on Ignis).


A1-2022-03-24

Emulation data warning.


A1-2021-09-22

Supporting "OBDII v1.5" adapters.


A1-2021-05-28

Some DTC, modules support.


A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.
New in SZ Viewer A1 A1-2022-03-31
A1-2022-03-31

Supporting AGS (based on Ignis).


A1-2022-03-24

Emulation data warning.


A1-2021-09-22

Supporting "OBDII v1.5" adapters.


A1-2021-05-28

Some DTC, modules support.


A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.
New in SZ Viewer A1 A1-2022-03-24
A1-2022-03-24

Emulation data warning.


A1-2021-09-22

Supporting "OBDII v1.5" adapters.


A1-2021-05-28

Some DTC, modules support.


A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.


A1-2020-02-29

Demo mode to examine the app without a vehicle and an ELM327-adapter.
New in SZ Viewer A1 A1-2021-09-22
A1-2021-09-22

Supporting "OBDII v1.5" adapters.

A1-2021-05-28

Some DTC, modules support.

A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.


A1-2020-02-29

Demo mode to examine the app without a vehicle and an ELM327-adapter.


A1-2020-01-22

ELM327 v1.3/v1.3a support.
New in SZ Viewer A1 A1-2021-05-28
A1-2021-05-28

Some DTC, modules support.

A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.


A1-2020-02-29

Demo mode to examine the app without a vehicle and an ELM327-adapter.


A1-2020-01-22

ELM327 v1.3/v1.3a support.


A1-2020-01-05

Detailed module info dialog.
New in SZ Viewer A1 A1-2021-02-08
A1-2021-02-08

Bar (a unit of pressure) for TPMS tab.


A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.


A1-2020-02-29

Demo mode to examine the app without a vehicle and an ELM327-adapter.


A1-2020-01-22

ELM327 v1.3/v1.3a support.


A1-2020-01-05

Detailed module info dialog.
New in SZ Viewer A1 A1-2021-01-20
A1-2021-01-20

CAN-UDS module params (SRS, 4WD).


A1-2020-12-21

TPMS tab.


A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.


A1-2020-02-29

Demo mode to examine the app without a vehicle and an ELM327-adapter.


A1-2020-01-22

ELM327 v1.3/v1.3a support.


A1-2020-01-05

Detailed module info dialog.


A1-2019-12-21

1.9DDis engine support (experimental).
New option to disable fake detector.
New in SZ Viewer A1 A1-2020-12-21
A1-2020-12-21

TPMS tab.

A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.


A1-2020-02-29

Demo mode to examine the app without a vehicle and an ELM327-adapter.


A1-2020-01-22

ELM327 v1.3/v1.3a support.


A1-2020-01-05

Detailed module info dialog.


A1-2019-12-21

1.9DDis engine support (experimental).
New option to disable fake detector.


A1-2019-11-26

Improved Ertiga and Liana/Aerio support.
New in SZ Viewer A1 A1-2020-10-25
A1-2020-10-25

AT/CVT CAN-UDS supported (DTC reading).


A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.


A1-2020-02-29

Demo mode to examine the app without a vehicle and an ELM327-adapter.


A1-2020-01-22

ELM327 v1.3/v1.3a support.


A1-2020-01-05

Detailed module info dialog.


A1-2019-12-21

1.9DDis engine support (experimental).
New option to disable fake detector.


A1-2019-11-26

Improved Ertiga and Liana/Aerio support.
New in SZ Viewer A1 A1-2020-05-07
A1-2020-05-07

Wi-Fi ELM327 adapter host:port configuration.


A1-2020-02-29

Demo mode to examine the app without a vehicle and an ELM327-adapter.


A1-2020-01-22

ELM327 v1.3/v1.3a support.


A1-2020-01-05

Detailed module info dialog.


A1-2019-12-21

1.9DDis engine support (experimental).
New option to disable fake detector.


A1-2019-11-26

Improved Ertiga and Liana/Aerio support.


A1-2019-10-11

ALH module support (4WD tab, DTC reading only).
New in SZ Viewer A1 A1-2020-02-29
A1-2020-02-29

Demo mode support.


A1-2020-01-22

ELM327 v1.3/v1.3a support.


A1-2020-01-05

Detailed module info dialog.


A1-2019-12-21

1.9DDis engine support (experimental).
New option to disable fake detector.


A1-2019-11-26

Improved Ertiga and Liana/Aerio support.


A1-2019-10-11

ALH module support (4WD tab, DTC reading only).


A1-2019-07-26

Engine and AT/CVT tabs: double-tap to switch beetween compact and general data view.
New in SZ Viewer A1 A1-2020-01-22
A1-2020-01-22

ELM327 v1.3/v1.3a support.


A1-2020-01-05

Detailed module info dialog.


A1-2019-12-21

1.9DDis engine support (experimental).
New option to disable fake detector.


A1-2019-11-26

Improved Ertiga and Liana/Aerio support.


A1-2019-10-11

ALH module support (4WD tab, DTC reading only).


A1-2019-07-26

Engine and AT/CVT tabs: double-tap to switch beetween compact and general data view.


A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.
New in SZ Viewer A1 A1-2020-01-05
A1-2020-01-05

Detailed module info dialog.


A1-2019-12-21

1.9DDis engine support (experimental).
New option to disable fake detector.


A1-2019-11-26

Improved Ertiga and Liana/Aerio support.


A1-2019-10-11

ALH module support (4WD tab, DTC reading only).


A1-2019-07-26

Engine and AT/CVT tabs: double-tap to switch beetween compact and general data view.


A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.
New in SZ Viewer A1 A1-2019-12-21
A1-2019-12-21

1.9DDis engine support (experimental).
New option to disable fake detector.


A1-2019-11-26

Improved Ertiga and Liana/Aerio support.


A1-2019-10-11

ALH module support (4WD tab, DTC reading only).


A1-2019-07-26

Engine and AT/CVT tabs: double-tap to switch beetween compact and general data view.


A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.


A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.
New in SZ Viewer A1 A1-2019-10-11
A1-2019-10-11

ALH module support (4WD tab, DTC reading only).


A1-2019-07-26

Engine and AT/CVT tabs: double-tap to switch beetween compact and general data view.


A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.


A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.


A1-2019-03-25

Supporting some K-Line modules with slow (5Baud) initialization.
New in SZ Viewer A1 A1-2019-07-26
A1-2019-07-26

Engine and AT/CVT tabs: double-tap to switch beetween compact and general data view.


A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.


A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.


A1-2019-03-25

Supporting some K-Line modules with slow (5Baud) initialization.
New in SZ Viewer A1 A1-2019-06-05
A1-2019-06-05

Data refinement for some AT/CVT CAN-modules.


A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.


A1-2019-03-25

Supporting some K-Line modules with slow (5Baud) initialization.


A1-2019-02-26

1. Fixed connection with some K-Line modules (thanks to Lorenzo P. for bug report and testing)
2. Improved Bluetooth time-out detection.
3. The "AT" tab is renamed to "AT/CVT".
New in SZ Viewer A1 A1-2019-05-11
A1-2019-05-11

Engine oil temperature for some modern (2016+) engine control modules.


A1-2019-03-25

Supporting some K-Line modules with slow (5Baud) initialization.


A1-2019-02-26

1. Fixed connection with some K-Line modules (thanks to Lorenzo P. for bug report and testing)
2. Improved Bluetooth time-out detection.
3. The "AT" tab is renamed to "AT/CVT".
New in SZ Viewer A1 A1-2019-03-25
A1-2019-03-25

1. Supporting some K-Line modules with slow (5Baud) initialization.


A1-2019-02-26

1. Fixed connection with some K-Line modules (thanks to Lorenzo P. for bug report and testing)
2. Improved Bluetooth time-out detection.
3. The "AT" tab is renamed to "AT/CVT".
New in SZ Viewer A1 A1-2019-02-26
A1-2019-02-26

1. Fixed connection with some K-Line modules (thanks to Lorenzo P. for bug report and testing)
2. Improved Bluetooth time-out detection.
3. The "AT" tab is renamed to "AT/CVT".


A1-2019-01-27

1. Supporting SRS module of some modern cars (Vitara and SX4 S-Cross): reading and clearing DTCs.
2. AT data of some modern cars (Vitara and SX4 S-Cross).
3. Some DTCs refinement.
4. Improved work with K-Line modules.
5. Reread tryings now called "Re" instead of "Err".
New in SZ Viewer A1 A1-2019-01-03
A1-2019-01-03

1. Improved Bluetooth ELM327 support.
2. Improved detection of ELM327 fakes.
3. "Ignition timing advance" value for Engine.
4. 4WD data of some modern models (including coupling temperature).


A1-2018-12-02

1. Added settings dialog.
2. Some TPMS data in BCM tab.
3. Some refinement data and error (DTC) codes.
New in SZ Viewer A1 A1-2018-12-02
1. Added settings dialog.
2. Some refinement data and error (DTC) codes.
New in SZ Viewer A1 A1-2018-09-21
A faster connection process.
New in SZ Viewer A1 A1-2017-10-28
Improved support of Wi-Fi ELM327 adapters.
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