Diagnostic codes P0351 to P0356 may also indicate this issue, suggesting a malfunction in the ignition system circuit, which is directly controlled by the PCM.ĭecreased fuel economy is yet another symptom that might spell trouble with your PCM. This problem can arise due to PCM failing to supply the right amount of power to the starter relay and ignition coil. These codes indicate ignition coil “A” through “F” primary or secondary circuit malfunctions, which essentially means the PCM is not functioning as it should to control the ignition coils.Īnother prevalent issue is the vehicle not starting or cranking correctly. The diagnostic trouble codes (DTCs) P0351 to P0356 are often associated with this issue. This is often accompanied by the Check Engine Light illuminating. Your engine may start misfiring, leading to uneven running and a noticeable drop in performance. One of the most common issues necessitating a PCM replacement relates to engine misfires.

Understanding these issues is key to ensuring the smooth operation of your vehicle, and it is precisely what we at Flagship One, Inc., aim to support you with. Common problems related to Powertrain Control Modules (PCM) in these vehicles often range from non-starting engines and transmission shifting problems to decreased fuel economy and misfiring. It’s important to note that while these vehicles are top of the line, like all mechanical systems, they are not immune to issues.

This guide applies specifically to a diverse range of Ford, Jeep, and Chrysler models, each of which has trustingly come to rely on Flagship One, Inc., for the provision of OEM control modules.

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