Triumph Rocket 3 GT 2021 - Page 707

669
Cruise Control
Fault
Code
Possible cause
Action
P056C
Twist grip cruise cancel switch circuit
malfunction
View and note 'freeze-frame' data if
available.
Perform throttle position sensor tests,
see Throttle Position Sensor,
If fault still present, disconnect engine
ECM and proceed to pinpoint test 1:
P1574
Cruise Control prevented due to other
malfunction condition
View and note 'freeze-frame' data if
available.
Check for associated DTCs and
perform tests as required.
If fault still present, disconnect engine
ECM and proceed to pinpoint test 1:
P1575
Cruise Control disabled until button
press sequence completed
Carry out the button press sequence
see Cruise Control Switch Check, if
fault still present, disconnect engine
ECM and proceed to pinpoint test 1:
Pinpoint Tests
Test
Result
Action
1
Check cable and terminal integrity:
- Engine ECM pin A6 -Engine ECM
pin C30
- Engine ECM pin C28
- Clutch switch pin 1
- Clutch switch pin 2
- Left hand switch housing, two pin
connector pin 1
- Left hand switch housing, two pin
connector pin 2
OK
Disconnect sensor and
proceed to test 2
Faulty
Rectify fault, proceed to
test 7
2
Check cable for short circuit:
- Engine ECM pin A6 to ground
- Engine ECM pin C30 to ground
- Engine ECM pin C28 to ground
OK
Proceed to test 3
Short
Circuit
Locate and rectify wiring
fault, proceed to test 7