Check the TRACS Control Module [AA]
AA. Check the TRACS control moduleAAA. Fault-tracing information
Condition
- DTC not posted
- The fault is permanent
Possible source
- Incorrect control module type
Fault-tracing begins with [AAB]. Check of TRACS control module
AAB. Check of TRACS control module
[AAB1]
Check of control module
Check that the control module is designed for TRACS Compare the part number with the specification
Is it the correct type of control module ?
Yes: Fault not found
No: AAB2
[AAB2]
Replacement of component
Replace with a control module designed for TRACS as Per MMMM. Control module, replacement.
Relays and Modules - Brakes and Traction Control - Electronic Brake Control Module - Service and Repair - Procedures Service and Repair
Then continue with: AAB3
[AAB3]
Verification
Hint: After repair, it is necessary to check that the fault has been rectified
- Ignition off
- Reconnect the connections, components etc.
- Ignition on
When the ignition is switched on, the control module activates the TRACS warning light which then goes off after approx. 2 seconds
Note! The warning light does not go off if a fault has been registered
Press the TRACS switch and keep it pressed and check that the TRACS warning light is activated
Is the warning light activated ?
Yes: Fault corrected
No: AAB4
[AAB4]
Fault-tracing information
The fault should now have been diagnosed and corrected. Since this is not the case the fault-tracing has failed.
Do you want to exit fault-tracing?
Yes: Fault not corrected
No: AAB1