Join Now
International Automotive Technicians Network

P0412 Diagnostic Trouble Code Discussion for February 2013

Secondary AIR Solenoid Control Circuit Malfunction


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0412
Help Request Posted
2006 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on VIN: WDBUF87J16
P0412: air pump switch over valve open circuit. heres the story scanned car as driver complained of low heat and engine running cold got a code for thermostat performance ,, just one code changed thermostat and filled cooling system and road tested car to verify heat ,, cleared codes all was fine now...
February 06, 2013
2006 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on VIN: WDBUF87J16
P0412: air pump switch over valve open circuit. heres the story scanned car as driver complained of low heat and engine running cold got a code for thermostat performance ,, just one code changed thermostat and filled cooling system and road tested car to verify heat ,, cleared codes all was fine now...
February 06, 2013