Durango RT 4WD V8-59L VIN Z LDC (2002) - Seat Heater Control Module Location
Seat Heater Control Module: Testing and Inspection
If a heated seat fails to heat and one or both of the indicator lamps on a heated seat switch flash, refer to Heated Seat System Diagnosis and Testing in
Heated Systems for flashing LED failure identification.
1. Check the heated seat element (Refer to HEATED SEATS/HEATED SEAT ELEMENT - DIAGNOSIS AND TESTING).
2. Check the heated seat sensor (Refer to HEATED SEATS/HEATED SEAT SENSOR - DIAGNOSIS AND TESTING).
3. Check the appropriate heated seat switch. Refer to the procedures in the heated seats.
Fig.7 Heated Seat Module Electical Connector
4. Using a voltmeter, backprobe the heated seat module connector, do not disconnect. Check for voltage at the appropriate pin cavities. 12v should
be present. If OK go to Step 5, if Not, Repair the open or shorted voltage supply circuit as required.
5. Using a ohmmeter, backprobe the appropriate heated seat module connector, do not disconnect. Check for proper continuity to ground on the
ground pin cavities. Continuity should be present. If OK replace the heated seat module with a known good unit and retest system, if Not OK,
Repair the open or shorted ground circuit as required.