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Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Electrically Heated Systems >> Driver Thermistor Out of Range Low

Driver Thermistor Out of Range Low

Test 1 - 2:




Test 3 - 6:






SYMPTOM
DRIVER THERMISTOR OUT OF RANGE LOW

WHEN MONITORED
With the ignition on, during the heated seat operation.

SET CONDITION
This condition is immediately set when the Heated Seat Module senses a lesser value than the value stored in EEPROM.

POSSIBLE CAUSES
- Driver heated seat cushion sensor open
- Driver seat temperature sensor input CKT shorted to ground
- Driver heated seat cushion failed sensor
- Driver seat temperature sensor input CKT open
- Seat sensor 5-volt supply CKT open
- Heated seat module
- Heated seat module - 5 volt supply open