Page organisation in this revision
- Page type
- Technical article
- Subject
- Diagnostics
- Parent
- Section level
- Applies to
- No ECU-specific applicability
- Tool groups
- Diagnostic tools
- Manufacturers
- Bosch
Changes from revision 2 to revision 3
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Bosch Diagnostics / Bosch KTS diagnostic testers
The KTS 550 is the higher-measurement companion to the KTS 520. Bosch documents ECU diagnosis, a two-channel multimeter and a two-channel oscilloscope, with RS-232 and USB PC connections.
Hickleys lists update cut-offs for some legacy testers; its published dates are distributor information, not a guarantee of present worldwide support. Verify the exact software release and subscription before purchase.
Photographs and screenshots
Bosch manual with KTS 550 drawings
Related pages
Bosch KTS 520Bosch KTS 570
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.
Bosch KTS 520 and 550 device description. Robert Bosch GmbH, 2004; English section. Source revision page or document reviewed 2026-11-10; accessed 2026-11-10.Hickleys: Bosch software and older tester updates. Hickleys, UK distributor; update information is as listed. Source revision page or document reviewed 2026-11-10; accessed 2026-11-10.
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Revision 2: Bosch KTS 550
Bosch Diagnostics / Bosch KTS diagnostic testers
The KTS 550 is the higher-measurement companion to the KTS 520. Bosch documents ECU diagnosis, a two-channel multimeter and a two-channel oscilloscope, with RS-232 and USB PC connections.
Hickleys lists update cut-offs for some legacy testers; its published dates are distributor information, not a guarantee of present worldwide support. Verify the exact software release and subscription before purchase.
Photographs and screenshots
Related pages
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.
Revision 3: Bosch KTS 550
Bosch Diagnostics / Bosch KTS diagnostic testers
The KTS 550 is the higher-measurement companion to the KTS 520. Bosch documents ECU diagnosis, a two-channel multimeter and a two-channel oscilloscope, with RS-232 and USB PC connections.
Hickleys lists update cut-offs for some legacy testers; its published dates are distributor information, not a guarantee of present worldwide support. Verify the exact software release and subscription before purchase.
Photographs and screenshots
Related pages
Sources
Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.