Glow plug, auxiliary heater
| Glow plug, auxiliary heater | 
 
  
  The glow plug is PWM controlled. The timing of its activation at start is regulated by the control module.
| Diagnostics | 
In the event of a short circuit to ground, diagnostic trouble code B0438 is generated.
In the event of an open circuit or short circuit to B+, diagnostic trouble code B0442 is generated.

 
     
		