High Priority 99% confidence

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

in Honda Accord (2000-2024)

Symptoms

  • Unusual noises when A/C is turned on
  • Warning light on dashboard

DTC error codes

DTC 21

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A/C Technical Specifications

2,0 i/2,4 i/2,2 D-i-DTEC

Refrigerant: R134a Amount (g): 475g Oil: SP 10 PAO 68 lub PAG ISO 46 Oil (ml): 185ml

2,0 i/2,4 i

Refrigerant: R134a Amount (g): 500 – 600g Oil: SP 10 PAO 68 lub PAG ISO 46 Oil (ml): 130ml

2,2 D i-CTDI

Refrigerant: R134a Amount (g): 450 – 500g Oil: ND8 PAO 68 lub PAG ISO 46 Oil (ml): 160ml
See full specification

Other problems in Accord

Weak cabin cooling / Loss of performance and unpleasant odor (musty/mold)

High Priority

A/C cooling is weak and gradually loses performance

High Priority

A/C cooling is weak and gradually loses performance

High Priority

Air conditioning stopped cooling / no response to AC button

High Priority

Unusual noise and metallic grinding when A/C is on

High Priority

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