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Set up trailer operation
General
After the installation of the electric kit, the obligatory trailer lighting as well as
the trailer indicator control which is statutory in a several countries are
guaranteed without having to make any connections on the vehicle!
The message "Control unit incorrectly coded" will, however, appear in the fault
memory ( 19 – Diagnosis interface for data bus)! Yet this entry has no effect on
the other functions and can be ignored until your next regular service
appointment. We recommend the connection via the factory-mounted service
tester (VAS 5051 / 5052) within the framework of the annual service intervals!
Please effect coding as follows:
• Vehicle self-diagnosis
• Gateway assembly list
• 19 – diagnosis interface for data bus
• 007-Coding (service $1A) \ Read / write long coding
• 69 – trailer function ( switch to coded!)
Vehicles with park assist system
Option 1:
After the effected connection, the rear park assist system will also automatical-
ly be deactivated in trailer operation!
Option 2:
The automatic deactivation of the rear park assist system in trailer operation
will be effected by means of the subsequent coding of the park assist control
unit:
• Vehicle self-diagnosis
• Gateway assembly list
• 10 - park assist system II / parallel park assist
• 008 Coding (service $22)
• Byte 0 - bit pattern xxxxxxx1
(x = accept the default values in the input field for this purpose activate input
mode (BIN) !)
• confirm with OK !
NOTE:
If the vehicle's rear fog lamp does not switch off automatically in trailer mode
the following code must be entered in addition to the aforementioned
configuration of the central electrical system:
44
/
87271240/26.04.2018
PF Jones Ltd, Nuttall street, Old Trafford, Manchester, M16 9JA, Tel- 0161 872 4755 email- info@pfjones.co.uk web- www.pfjones.co.uk
Vehicle self-diagnosis
• 09 Electronic central electrical system
• 007 Coding (service 1A)
• Vehicle's electrical system controller coding long
• Byte 8 - bit pattern x1xxxxxx
(x = accept the default values in the input field
for this purpose activate input mode (BIN) !)
• confirm with OK !
Release the towing vehicle and trailer stabilisation!
For vehicles from production date 06.06.2005 which are factory fitted with a
control unit that supports trailer stabilisation, this function must be activated!
With guided troubleshooting
Skip: Function / component selection
• Chassis
• Brake system
• 01 – Self-diagnosing systems
• ABS
• Functions
• Adaptation – J104 with towing vehicle and trailer
stabilisation
• Next
• Adaptation – J104 with towing vehicle and trailer
stabilisation
• Start test program, follow instructions and answer
questions!
Warning: If you answer a test program question with
NO the towing vehicle and trailer stabilisation cannot
be activated!
Alternative:
• Vehicle self-diagnosis
• Self-diagnosis
• 1000 - Readout gateway installation list
• 03 - Brake electronics
• 015 - Access authorisation
• 015.02 - Security access (automatic)
• Enter code word 15082
• Confirm with Q
• Back to 03 - Brake electronics
• 012 - Adaptation
• Enter channel number 56
• Switch to 1 (trailer stabiliser activated)
• Save
• Accept
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