OBD-II code · Body

B0162 Sun Load Sensor 2 Circuit

The HVAC control module has detected an implausible signal from the second sun load sensor. Dual-zone systems use two solar sensors to detect side-asymmetric sunlight and adjust left/right airflow temperature.

Is it safe to drive with B0162?

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

Common causes

  • Most likelySun load sensor 2 failed
  • PossibleWiring or connector fault

Symptoms

  • Warning light or symbol related to the affected system
  • Comfort or safety function impaired

Repair at a glance

Difficulty
Easy
DIY friendly
Often, with basic tools
Typical labour
0.3–1.5 h
Emissions test
Usually unaffected
Parts involved
Sun Load Sensor 2, HVAC Control Module

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