[ImperialCrown]

Welcome to Allpar.
There is some self-diagnostics.

DIAGNOSIS AND TESTING - HEATED SEAT SYSTEM HEATED SEAT SYSTEM SELF-DIAGNOSIS
The heated seat system is capable of performing some self-diagnostics. The following table depicts the various monitored failures which will be reported to the vehicle operator or technician by flashing the individual heated seat switch Light Emitting Diode (LED) indicator lamps. Refer to the Heated Seat System Self-Diagnosis table below for failure identification. The drivers heated seat switch indicator lamps will flash if a failure occurs in the driver heated seat, and the passengers heated seat switch indicator lamps will flash for a passenger heated seat failure. If a monitored heated seat system failure occurs, the switch indicator lamps will flash at a pulse rate of about one-half second on, followed by about one-half second off for a duration of about one minute after the switch for the faulty heated seat is depressed in either the Low or High direction. This process will repeat every time the faulty heated seat switch is actuated until the problem has been corrected.

Is the Lo or Hi lamp blinking?

 

[moparman11]

Welcome to Allpar.
There is some self-diagnostics.

DIAGNOSIS AND TESTING - HEATED SEAT SYSTEM HEATED SEAT SYSTEM SELF-DIAGNOSIS
The heated seat system is capable of performing some self-diagnostics. The following table depicts the various monitored failures which will be reported to the vehicle operator or technician by flashing the individual heated seat switch Light Emitting Diode (LED) indicator lamps. Refer to the Heated Seat System Self-Diagnosis table below for failure identification. The drivers heated seat switch indicator lamps will flash if a failure occurs in the driver heated seat, and the passengers heated seat switch indicator lamps will flash for a passenger heated seat failure. If a monitored heated seat system failure occurs, the switch indicator lamps will flash at a pulse rate of about one-half second on, followed by about one-half second off for a duration of about one minute after the switch for the faulty heated seat is depressed in either the Low or High direction. This process will repeat every time the faulty heated seat switch is actuated until the problem has been corrected.

Is the Lo or Hi lamp blinking?

the light blinks whether its on high or low, after a few seconds, about 30, it will cut off, thanks

 

[ImperialCrown]

If both the hi and lo LEDs are flashing, check the heated seat element for shorting. This can also be from wires rubbed through on the metal seat frame.
If just the low heat LED is flashing, the heated seat temperature sensor (thermistor) is out of range.
If just the high heat LED is flashing, check the heated seat element for an open circuit. The seat cushion element gets more wear and tear than the seat back element.

 

[moparman11]

If both the hi and lo LEDs are flashing, check the heated seat element for shorting. This can also be from wires rubbed through on the metal seat frame.
If just the low heat LED is flashing, the heated seat temperature sensor (thermistor) is out of range.
If just the high heat LED is flashing, check the heated seat element for an open circuit. The seat cushion element gets more wear and tear than the seat back element.

Thanks for the answers, I will check the thermistor, or temp sensor being out of range,