B10AEA/C refrigerant pressure sensor fault

• Volkswagen group code · Climate control

How the car detects it

The sensor that measures the refrigerant high-side pressure gives no signal or a value out of range, so the A/C compressor is kept off for safety. On 2018-2019 Tiguan and Jetta Volkswagen found the sensor's 5 A fuse missing or wrongly fitted.

What you may notice

• Air conditioning doesn't cool

Likely causes

• PossibleFuse of the pressure sensor missing or loose
• PossibleSensor connector (corrosion)
• RarePressure sensor
• RareRefrigerant pressure genuinely too high or too low

Sources

• static.nhtsa.gov › MC-10160842-0001.pdf · official document
• static.nhtsa.gov › MC-10149909-9999.pdf · official document
• static.nhtsa.gov › MC-11008863-0001.pdf · official document

Backed by an official manufacturer document.

From Obdaryn's Volkswagen group pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.