Fault Code 18

Fault Code 18

Lumbar Pressure Sensor - Open Circuit

Diagnostic conditions
- Ignition on
- Switch for memory seat adjustment actuated

Possible cause of fault
- Short circuit to ground/open circuit in supply lead of pressure sensor
- Pressure sensor faulty
- Control module faulty

Affected terminals
- Plug 9, pins 1, 2 and 3

Diagnosis/troubleshooting

Work instructions 1 - 4




Work instructions 5 - 11