OBD-II code · Powertrain (generic)

P0535 A/C Evaporator Temperature Sensor Circuit

The evaporator temperature sensor signal is missing or out of range. Used to prevent icing of the evaporator core.

Is it safe to drive with P0535?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyEvaporator temp sensor defective
  • PossibleWiring or connector fault

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–2 h
Emissions test
Usually unaffected
Parts involved
AC Evaporator Temp Sensor, Sensor Wiring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.