Symptom Chart
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
| SYMPTOM |
POSSIBLE CAUSE |
ACTION |
| Speed control inhibited or disabled |
- Power or ground supply to adaptive speed control module or adaptive speed control module sensor
- Steering wheel speed control switch/circuits
- Throttle sensors
- Brake switch
- Anti-lock brake system fault
|
- Check for DTCs that could be caused by power or ground failure to the module or sensor and refer to DTC index
- Check for sticking, jammed and broken speed control switches. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check speed control switch circuits for short circuit, open circuit, high resistance
- Check for correct installation and adjustment of brake switch. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check brake switch circuits for short circuit, open circuit, high resistance
- Check ABS system for related DTCs and refer to the relevant DTC index
|
| Unable to regulate/adjust vehicle speed |
- Steering wheel switch malfunction
|
- Check for sticking, jammed and broken speed control switches. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check speed control switch circuits for short circuit, open circuit, high resistance
|
| Unable to cancel speed control from steering wheel |
- Steering wheel switch malfunction
|
- Check for sticking, jammed and broken speed control switches. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check speed control switch circuits for short circuit, open circuit, high resistance
|
| Unable to cancel speed control from brake pedal |
|
- Check for correct installation and adjustment of brake switch. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check brake switch circuits for short, open circuit, high resistance
|