Troubleshooting; Diagnostic Hardware Not Found; No Communication With Control Unit - Bosch KTS Truck Manual Original

3.6

Troubleshooting

i
Refer to the notes in Sections 2.6, 3.4.3 and 3.6.2
in the event of transmission problems during
control unit diagnosis.
i
The KTS Truck Service Tool is also copied to
the system during every ESI[tronic] installation
with the "Truck" ESI[tronic] info type. Following
successful installation, the software is located at:
[C:]\Program Files (x86)\Bosch\ESItronic 2.0\
ESItronic\truckax\Service Tool
i
With the KTS Truck Service Tool, users can
check and correct basic problems on their own.
Troubleshooting of the most common problems
is presented on the home page of the software.
Access to this troubleshooting does not require a
password.
i
If no solution to the problem can be found in the
course of this troubleshooting and the information
provided below, please contact the Service hotline.
Robert Bosch GmbH
3.6.1

Diagnostic hardware not found

No diagnostic hardware (KTS Truck) was found
on establishing communication with the control
Fault in connection
unit. The fault message
to KTS Truck
appears.
Bluetooth connection and re-establish
the link.
Possible causes What to do
No external voltage Check whether KTS Truck is being
supply supplied with external power (OBD
diagnostic cable, adapter cable with
battery terminals, connecting cable for
cigarette lighter socket).
LED B on KTS Truck must flash green.
Fault in connection 1. Check whether the correct type of
to KTS Truck connection has been selected in the
main menu under "Hardware settings
>> KTS Truck".
2. Then <Test connection>.
Bluetooth 1. Reduce distance between Bluetooth
connection faulty USB adapter and KTS Truck.
or no connection 2. If the Bluetooth USB adapter is to be
available (e.g. connected to different PCs/laptop
following PC/ USB ports, the Bluetooth driver must
laptop standby be installed on each USB port.
mode). 3. Under "Hardware settings >>
KTS Truck" in the main menu, <Test
connection>.
4. Check the Bluetooth driver setting if
the Bluetooth connection is not OK on
testing.
5. Unplug the Bluetooth USB adapter
and plug it in again or re-boot the PC/
laptop.
No Bluetooth 1. Plug in the Bluetooth USB adapter.
USB adapter. 2. Restart control unit diagnosis.
3.6.2

No communication with control unit

During control unit diagnosis the following error
ECU communication problem.
message appears:
Check electrical connection between
vehicle and diagnostic unit.
Possible causes What to do
OBD diagnostic cable or Check for proper connection of
adapter cable not properly the necessary cables.
connected.
i
If problems of a different nature occur, please
contact the service hotline directly.
| KTS Truck | 17 | en
Check the USB or
|
1 689 989 100 2022-01-04