Controls on my steering wheel are no longer working

Tiny
LYONS4EVER5
  • MEMBER
  • 2015 CHEVROLET SPARK
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 743,224 MILES
Also the temperature reading on the radio has disappeared. I checked fuses. I don't know what else to do.
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Saturday, January 4th, 2020 AT 4:10 PM

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Tiny
JIS001
  • EXPERT
There is a bulletin to check for an unplugged ambient temperature sensor or open in the circuit. If all is good the ambient sensor is faulty.

#PIC6215A: AC Inoperative and/or Ambient Temperature Display Missing from the Radio - (Sep 14, 2018)

Subject: AC Inoperative and/or Ambient Temperature Display Missing from the Radio

Correction

Dealer to isolate and repair open circuit to the ambient temperature sensor.

Service Procedure:

Use GDS2 to check ambient temperature in the IPC data.

If it reads -40 there is an open to the ambient temperature sensor.

This leads to the radio not displaying a temperature and AC is also inoperative

Check for unplugged connectors or damaged harness to the ambient temperature sensor.

As for the steering wheel controls I would suspect a faulty clock spring.
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Saturday, January 4th, 2020 AT 11:48 PM

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