Error code

OBD2 P0537

OBD2P0537
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

A/C Evaporator Temperature Sensor Circuit Low.

Severity

moderateCan drive, but may experience issues with the air conditioning.

Summary

P0537 indicates that the AC evaporator temperature sensor circuit is reporting a lower voltage than expected, which could be due to wiring issues or problems with the sensor itself. This issue affects the air conditioning system.

Common Causes

  • Wiring short to earth
  • Faulty AC evaporator temperature sensor

Fixes

  • Replace faulty wiring or the AC evaporator temperature sensor.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.