Yeah sounds like it could be seeing an issue, but they will know pretty quick by connecting up, it's unbelievable how much diagnostic these things have on them!
Here is an example of the one..
B10C4-19-HEATED STEERING WHEEL CONTROL-OVERCURRENT
When Monitored:
This diagnostic runs continuously when the following conditions are met:
- Engine running.
- Controller voltage between 9.0 and 16.0 volts.
- Heated Steering Wheel is turned on.
Set Conditions:
- Module detects Heated Steering Wheel current above 9.6 amps for more than 2 seconds.
Default Actions:
- When the Heated Steering Wheel is turned on, the indicator turns on for 2 seconds and turns off.
- The Heated Steering Wheel output driver will be turned off.
Possible Causes
HEATED STEERING WHEEL FEED CIRCUIT OPEN, HIGH RESISTANCE OR SHORTED
HEATED STEERING WHEEL RETURN CIRCUIT OPEN, HIGH RESISTANCE OR SHORTED
HEATED STEERING WHEEL FEED CIRCUIT SHORTED TO THE HEATED STEERING WHEEL RETURN CIRCUIT
HEATED STEERING WHEEL (HSW)
STEERING COLUMN CONTROL MODULE (SCCM)
COMFORT SEAT WHEEL MODULE (CSWM)
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But there are a bunch they all do the same turn it off after 2s.
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Comfort Seat and Wheel Module (CSWM) - Heated Steering Wheel Control - Over Temperature
Comfort Seat and Wheel Module (CSWM) - Heated Steering Wheel Control - Overcurrent
Comfort Seat and Wheel Module (CSWM) - Implausible Heated Steering Wheel Temperature Message Received
Comfort Seat and Wheel Module (CSWM) - Heated Steering Wheel Control - Circuit Open
Comfort Seat and Wheel Module (CSWM) - Heated Steering Wheel Control - Circuit Short to Ground
Comfort Seat and Wheel Module (CSWM) - Heated Steering Wheel Control - Circuit Short to Battery
Comfort Seat and Wheel Module (CSWM) - Steering Wheel Heater Power Supply Circuit - Circuit Open