Triumph Rocket 3 GT 2021 - Page 1088

1050
Front or Rear Wheel Actuator (Hydraulic Control) Wheel Lock
Fault
Code
Possible cause
Action
C1641
Front wheel actuator (hydraulic
control) wheel lock Binding brake
Incorrect Wheel speed sensor air gap
Loose or incorrectly installed wheel
speed sensor
Make sure ABS modulator/ECM
connector is secure.
Proceed to pinpoint test 1:
C1643
Rear wheel actuator (hydraulic
control) wheel lock
Binding brake
Incorrect Wheel speed sensor air gap
Loose or incorrectly installed wheel
speed sensor
Pinpoint Tests
Test
Result
Action
1
Check the relevant wheel for brake bind
caused by caliper or master cylinder faults,
or other mechanical causes.
OK
Proceed to test 2
Faulty
Rectify the fault,
proceed to test 4
2
Measure the air gap of the wheel speed
sensor between the sensor and the pulser
ring:
- Air gap between 0.37 mm to 1.23 mm
OK
Proceed to test 3
Faulty
Rectify the fault,
proceed to test 4
3
Check the wheel speed sensors for correct
installation, and the fixings for correct
torque.
OK
Proceed to test 4
Faulty
Rectify the fault,
proceed to test 4
4
Clear fault code and test ABS to verify fault
cleared.
OK
Action complete -
quit test
Fault still
present
Contact Triumph
service