High Priority 95% confidence

Unstable A/C operation in AUTO mode / incorrect cabin temperature

in Volvo S80 (2003-2025)

Symptoms

  • Weak cabin cooling
  • Irregular A/C operation

DTC error codes

DTC B1056

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A/C Technical Specifications

V90 - V40

Refrigerant: R134a Amount (g): 635g Oil: 161627 PAO 68 lub PAG ISO 46 b.d. Oil (ml): b.d.ml

V90 - V60

Refrigerant: R134a Amount (g): 820g Oil: PAG PAO 68 lub PAG ISO 46 b.d. Oil (ml): b.d.ml

V90 - V70 III (BW)

Refrigerant: R134a Amount (g): 820g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 180ml
See full specification

Other problems in S80

Blower vents emit warm air when A/C is turned on

High Priority

Unusual noise and metallic grinding when A/C is on

High Priority

Temperature swings in the cabin and weak cabin cooling (total)

High Priority

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