Test Point 16

Fault, Fault Code 18 Test Point 16

Lumbar pressure sensor open circuit

Possible causes, elimination, notes
This fault is stored in the following cases:
1. There is an open circuit in the wire to the lumbar pressure sensor.
2. The pressure sensor is faulty.
3. The control module is faulty.

Elimination:
- Check plug on control module for contact and damage.
- Check wire to sensor for damage.
- If no fault is detected in the wire, replace lumbar adjustment.
- Once the cause of the fault has been found and eliminated, actuate the lumbar adjustment switch. The text in the fault memory changes from present to not present if the cause of the fault has really been eliminated.
- If the fault is still present, replace control module.