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 3 to revision 3
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Bosch Diagnostics / Bosch KTS diagnostic testers
The KTS 520 is a separate ECU-diagnosis module for a PC or compatible Bosch test system. Bosch’s manual specifies one-channel multimeter functions, RS-232 and USB connections; it does not have the KTS 550’s two-channel oscilloscope.
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 connection and device illustrations
Related pages
Bosch KTS 550Bosch KTS 500 ISA interfacePorsche and Bosch tester hardware relationships
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.
Rendered revisions
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Revision 3: Bosch KTS 520
Bosch Diagnostics / Bosch KTS diagnostic testers
The KTS 520 is a separate ECU-diagnosis module for a PC or compatible Bosch test system. Bosch’s manual specifies one-channel multimeter functions, RS-232 and USB connections; it does not have the KTS 550’s two-channel oscilloscope.
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 520
Bosch Diagnostics / Bosch KTS diagnostic testers
The KTS 520 is a separate ECU-diagnosis module for a PC or compatible Bosch test system. Bosch’s manual specifies one-channel multimeter functions, RS-232 and USB connections; it does not have the KTS 550’s two-channel oscilloscope.
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.