Troubleshooting
Warning and error codes
Publication No. Date Valid from serial number T-code
261828-040 2008-08-21 6051502 815, 816
© BT Repair Manual RRE140/160/180/200/250 7 – 17
7.2.1 Error codes
Code Name Description/possible causes
Event Action
Group 1 CID warnings and errors
1:003 Minor program version
incompatibility
The program versions in the MCU and CID do not match.
The MCU does not support some of the functions used by
the CID, or vice versa.
Check that identical versions of the software are being used
in the CID and MCU.
1:004 Incompatibility in the dis-
play program software
The program versions in the MCU and CID do not match.
The MCU does not support some of the functions used by
the CID, or vice versa.
Check that identical versions of the software are being used
in the CID and MCU.
1:010 CAN 1 communication
warning
The CID CAN module has received too many error mes-
sages.
1. Check that CAN 1 is intact in terms of wiring harness,
final resistance and contacts.
2. Withdraw the battery contact. Check that the resistance
between positions 3 and 4 in X41 is 54 – 66 ohms.
3. Uninstall and disconnect the LID.
1:120 LID status does not comply LID reports status that is not approved.
1:121 CAN 1 communication
warning
Communication with the LID lost. No message received
from the LID.
1:431 External +5 V error The external +5 V is outside the permitted voltage range.
1. Check the electrical supply in terms of wiring harness
and contacts.
2. Check that there is no short circuit between B31:1 and
B31:3.
3. Disconnect levers and buttons, one by one, from the wir-
ing harness connected to X505:1.
1:501 MCU error The CID detects an error in the MCU. The program counter
is not correct.
Look for the latest software, replace the MCU.
1:503 Emergency mode error The MCU and CID display different status if the truck is in
emergency driving mode.
Restart the truck.
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