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Driver Thermistor Out Of Range High

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  1. Turn ignition off. Disconnect driver's heated seat cushion harness connector. Turn ignition on. Turn driver's seat heater on. Measure voltage at terminal "D" (Black/Dark Green wire) at driver's heated seat cushion harness connector. See Figure . If voltage is greater than 5.5 volts, go to next step. If voltage is 5.5 volts or less, go to step  3 .
  2. Turn ignition off. Disconnect Memory Heated Seat/Mirror Module (MHSMM) harness connector C2. Turn ignition on. Measure voltage at terminal "D" (Black/Dark Green wire) at driver's heated seat cushion harness connector. If no voltage exists, replace MHSMM. If any voltage exists, repair short to voltage in Black/Dark Green wire between driver's heated seat cushion and MHSMM.
  3. Turn ignition off. Disconnect Memory Heated Seat/Mirror Module (MHSMM) harness connector C1. Turn ignition on. Measure voltage at terminal "C" (Tan/Light Blue wire) at driver's heated seat cushion harness connector. If no voltage exists, replace driver's heated seat cushion. If any voltage exists, repair short to voltage in Tan/Light Blue wire between driver's heated seat cushion and MHSMM.