Set up 'GDS' with 'GDS TPMS'.
Select the "TPMS" system.
Execute "DTC Analysis" mode and clear DTC.
Check the present DTC.
Is 'C1661' present ?
![]() | ▶ Substitute with a known-good TPMS Receiver module and check for proper operation. ▶ If the problem is corrected, replace TPMS Receiver module and go to "Verification of vehicle Repair" procedure. |
![]() | ▶ System is OK. |