code problems again
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Senior User
Joined: Jul 2008
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From: somerset
code problems again
all the truck info is in my sig. i am getting code 122-tps signal to low, witch i think the tps is bad due to the way it runs so i am going to replace it with a motorcraft one. code 172 but i am going to follow xc4jokestomper's post to figure that one out (i think it is to replace the o2 sensor)but i am also getting code 212-loss of diagnostic monitor signal short to grounded output what does that one mean?
Fleet Owner
Joined: Oct 2005
Posts: 20,789
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From: Kentucky
Code 212 indicates the PCM is not seeing the IDM (Ignition Diagnostic Monitor) signal. What color Ignition Control Module (ICM) is in the truck? It should be black (CCD-style). A gray (Push Start-style) ICM will trigger this code in your vintage truck.
A missing SPOUT connector or poor connection can also trigger Code 212.
A missing SPOUT connector or poor connection can also trigger Code 212.
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