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Home/DTC Codes/Tesla/Model S/2014-2016 P85D Dual Motor AWD/B0661
B0661

Rear HVAC Temperature Control Circuit

2014-2016 Tesla Model S P85D Dual Motor AWD

Low SeverityBodyGeneric (SAE)

Description

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.

Related Codes

B0622Blend Door Actuator Circuit - Driver SideB0660Rear HVAC Blower Motor Circuit

Other Body Codes

B0661 on Other Vehicles

Tesla Cybertruck

2024-2024 Cyberbeast Tri Motor AWD

Tesla Cybertruck

2024-2024 Dual Motor AWD

Tesla Cybertruck

2024-2024 Single Motor RWD

Tesla Model 3

2017-2020 Long Range Dual Motor AWD

Tesla Model 3

2017-2020 Performance Dual Motor AWD

Tesla Model 3

2017-2020 Standard Range Plus Single Motor RWD

Tesla Model 3

2021-2024 Long Range Dual Motor AWD

Tesla Model 3

2021-2024 Performance Dual Motor AWD

Common Questions

What does code B0661 mean on a 2014-2016 Tesla Model S?

B0661 stands for "Rear HVAC Temperature Control Circuit". Malfunction in the rear HVAC temperature control actuator or circuit.

What are the symptoms of B0661 on a Tesla Model S?

Common symptoms of B0661 include: Rear climate stuck on hot or cold, Rear temperature not adjusting, Clicking from rear HVAC unit.

What causes B0661 on a 2014-2016 Tesla Model S?

Common causes of B0661 include: Faulty rear blend door actuator, Rear HVAC control module fault, Wiring issue, Blend door binding.

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