Bosch Intellic EFAS-4.11 - Page 84

74
Workshop Manual
Smart Tachograph EFAS-4.10/4.11
SrvID
hex
EFT
hex
DTC Symbol
Display text
Description and trouble-shooting
S170 36 - -
 GNSS
error
Meaning / Cause:
The tachograph receives no data from the internal GNSS receiver.
Measure:
If the error is still displayed after several ignition cycles, the GNSS
receiver is not functioning properly and the tachograph must be
replaced.
S171 0D 40 00 C46B00
!  No
position
Meaning / Cause:
Missing position data of the GNSS receiver
y This event is triggered, if the VU is not in CALIBRATION mode,
if position data from the GNSS receiver for more than 3 hours
cumulated driving time are missing during the journey.
Measure:
Ensure the possibility of GNSS reception, e.g. is the tachograph
and/or an external antenna covered by a shielding object?
S173 38 40 00 C25900
 DSRC
error
Meaning / Cause:
The connection to the remote communication equipment is
faulty. (Three times in a row no response or negative response to
RTM data transmission)
Measure:
Check connection to DSRC module.
S174 0C 40 00 C25900
!  DSRC
facility
Meaning / Cause:
Communication error with the remote communication
equipment
(The DSRC ash data of the RTM message are dierent to those
in the tachograph - corrupt data / erroneous data)
Measure:
Change DSRC module, or check for transmission errors.
S175 39 - -
 ITS
error
Meaning / Cause:
None (should not be triggered), ITS is not supported.
Measure:
-
S176 - - 40 00 000D80 - -
(keine Anzeige am
Tachographen)
Meaning / Cause:
The CAN message “Gateway_71” has not been received at CAN
bus A in the required interval.
Remark:
This error can only be displayed if the parameter “Standard
protocol selection” (FD52) is set to the VWN protocol (variant 8).
Measure:
If the tachograph is not installed in a VWN vehicle, select a dif-
ferent standard protocol.
S177 - - 40 00 000B80 - -
(keine Anzeige am
Tachographen)
Meaning / Cause:
The CAN message “Dimming_01” has not been received at CAN
bus A at the required interval.
Remark:
This error can only be displayed if the parameter “Standard
protocol selection” (FD52) is set to the VWN protocol (variant 8).
Measure:
If the tachograph is not installed in a VWN vehicle, select a dif-
ferent standard protocol.
S178 - - 40 00 000F80 - -
(keine Anzeige am
Tachographen)
Meaning / Cause:
The CAN message “Reset” has not been received at CAN bus A at
the required interval.
Remark:
This error can only be displayed if the parameter “Standard
protocol selection” (FD52) is set to the VWN protocol (variant 8).
Measure:
If the tachograph is not installed in a VWN vehicle, select a dif-
ferent standard protocol.