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P0412 Diagnostic Trouble Code Discussion for April 2007

Secondary AIR Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0412
Help Request Posted
2000 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KEE57Y1
P0412: Secondary AIR Solenoid Control Circuit Malfunction (California Emissions). How do you Caddy guy,s live with these cars. Help!!! Since replacing both crank sensors it set two new codes po 412 418 air injection system, I don't think it has one, the fuses were missing and I can't find a pump. Puting in fuses made no differance. We did r...
April 12, 2007
2001 Oldsmobile Intrigue GL 3.5L MIL Lamp on VIN: 1G3WS52H91
P0412: Secondary Air System Solenoid Circuit Malfunction. ... injection & p0412 for soleniod fault. can not comand soleniod to ground to allow vacuum. trouble tree for p0410 indicates if code p0412 is stored diagnose first. replaced pcm and reprogramed as stated, still unable to pull ground to soleniod. can how...
April 19, 2007