CEM-5F11

Condition
The auxiliary heater relay must be activated to store the diagnostic trouble code. If the central electronic module (CEM) indicates that the auxiliary heater is short-circuited to battery voltage, diagnostic trouble code CEM-5F11 will be set.

Condition
None.

Possible source
- The auxiliary heater relay circuit is short-circuited to voltage supply.

Condition
- Poor interior heating.