Fault Code | Possible cause | Action |
P1650 | Fault in CAN communication between ECM and immobiliser and TPMS control module | View & note 'freeze frame' data if available. Ensure immobiliser and TPMS control module connector is secure. Ensure the ignition switch is turned to the OFF position. Proceed to pinpoint test 1: |
Pinpoint Tests
Test | Result | Action |
1. Check cable and terminal integrity: ECM pin 828 ECM pin 827 Immobiliser pin 1 Immobiliser pin 6 | OK | Disconnect ECM and proceed to test 2 |
Faulty | Rectify fault, proceed to test 4 | |
2. Check cable for short circuit: ECM pin 828 to ground ECM pin 827 to ground | OK | Disconnect immobiliser, ignition switch and proceed to test 3 |
Faulty | Locate and rectify wiring fault, proceed to test 4 | |
3. Check cable continuity: ECM pin 828 to immobiliser pin 6 ECM pin 827 to immobiliser pin 1 Immobiliser pin 7 to ground Ignition switch pin 5 to immobiliser pin 2 Ignition switch pin 5 to immobiliser pin 8 | OK | Contact Triumph service |
Fault still present | Locate and rectify wiring fault, proceed to test 4 | |
4. Reconnect harness, clear fault code and run engine | OK | Action complete, quit test |
Fault still present | Contact Triumph service |