One problem related to anti-theft controller has been reported for the 1998 Jaguar XK8. The most recently reported issues are listed below.
Vehicle had to be flatbed to dalership numerous times due to not starting after stalling out in middle of traffic. Sometimes, vehicle could be restarted but would stall out. Was informed by mechanic would need a new engine and new controller box. Owner feels it was an electrical problem.
| Electrical System problems | |
| Car Will Not Start problems | |
| Anti-theft Controller problems | |
| Dash Wiring problems |