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2016 FIAT UNO

1.4L I4 Flex Fire EvoFWDAUTOMATICgas
Repairs0Labor512Torque383Fluid6DTC883Battery0Maintenance0Recalls0
B0661low severityBody

Rear HVAC Temperature Control Circuit

on 2016 Fiat Uno 1.4L I4 Flex Fire Evo · FWD

What this code means

Malfunction in the rear HVAC temperature control actuator or circuit.

Symptoms

  • Rear climate stuck on hot or cold
  • Rear temperature not adjusting
  • Clicking from rear HVAC unit

Common causes

  • Faulty rear blend door actuator
  • Rear HVAC control module fault
  • Wiring issue
  • Blend door binding

Diagnostic steps

  1. Test rear blend door actuator
  2. Check rear HVAC control module
  3. Inspect wiring
  4. Scan for rear HVAC codes

Repair notes

Replace rear blend door actuator or rear HVAC control module.

Other Body codes on this vehicle

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