Symptom Troubleshooting Index

SYMPTOM TROUBLESHOOTING CHART

Symptom	Diagnostic procedure	Also check for
HDS does not communicate with the TPMS control unit or the vehicle	Troubleshoot the DLC circuit (see DLC CIRCUIT TROUBLESHOOTING ).
Low tire pressure/TPMS indicator does not come on, and no DTCs are stored	Do the gauge control module self-diagnostic function (see SELF-DIAGNOSTIC FUNCTION ). Symptom Troubleshooting, (see LOW TIRE PRESSURE/TPMS INDICATOR DOES NOT COME ON, AND NO DTCS ARE STORED )
Low tire pressure/TPMS indicator does not go off, and no DTCs are stored	Do the gauge control module self-diagnostic function (see SELF-DIAGNOSTIC FUNCTION ). Symptom Troubleshooting, (see LOW TIRE PRESSURE/TPMS INDICATOR DOES NOT GO OFF, AND NO DTCS ARE STORED )