✅ Fixed
Refrigerant level low — recharged with R134a. Found small leak at AC service port Schrader valve. Replaced valve core $4. AC blowing cold again.
GMC Yukon 2019 AC not blowing cold air compressor issue
2019
On This Page:
🔍 Symptoms
⚙️ Causes
🔧 All Repairs
⚠️ Avoid These
🧾 Driver Reports
🔗 Similar Faults
🩺 Related Symptoms
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟡 Monitor Closely
GMC Yukon 2019 AC stopped working. Compressor clutch not engaging. Warm air only from vents. 54608 km. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
📍 AC not blowing cold air
📍 GMC Yukon
⚙️ Possible Causes
AC not blowing cold air
GMC Yukon
Possible: Refrigerant level low — recharged with R134a. Found small leak at AC service port Schrader valve. Replaced valve core $4. AC blowing cold again.
Repair / Solution
Based on 92 driver confirmations
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this 2019 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🧾 Driver Reports
Help other owners by sharing your experience.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.