| Speed control inhibited or disabled |
- Adaptive speed control module power or ground circuit open circuit, high resistance
- Steering wheel switch circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Engine system fault
- Anti-lock brake system fault
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- Refer to the appropriate system wiring diagram and check the adaptive speed control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
- Check the integrity of the steering wheel switches. Using the Jaguar Land Rover approved diagnostic equipment, check the body control module for related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, check the powertrain control module for related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, check the antilock brake system control module for related DTCs and refer to the relevant DTC index
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| Unable to regulate/adjust vehicle speed |
- Steering wheel switch circuit short circuit to ground, short circuit to power, open circuit, high resistance
|
- Check the integrity of the steering wheel switches. Using the Jaguar Land Rover approved diagnostic equipment, check the body control module for related DTCs and refer to the relevant DTC index
|
| Unable to cancel speed control from steering wheel |
- Steering wheel switch circuit short circuit to ground, short circuit to power, open circuit, high resistance
|
- Check the integrity of the steering wheel switches. Using the Jaguar Land Rover approved diagnostic equipment, check the body control module for related DTCs and refer to the relevant DTC index
|
| Unable to cancel speed control from brake pedal |
- Brake pedal switch installed incorrectly
- Brake pedal switch maladjusted
- Brake pedal switch circuit short circuit to ground, short circuit to power, open circuit, high resistance
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- Check the brake pedal switch installation. Rectify as necessary
- Check the brake pedal switch adjustment. Rectify as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, check the antilock brake system control module for related DTCs and refer to the relevant DTC index
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