As the driver of a Ford F-150, You know that You will see a variety of codes and lights on Your dashboard over the years of ownership. Usually, these codes and lights indicate that it is time for routine maintenance for the various fluids and components in Your vehicle. In the case of code po354, however, it means that the computer, or pcm, is not able to get a signal from the ignition coils. Usually, this is caused by a fault in the computer module that sends the signal for the coils, or it's caused by a faulty secondary spark plug. If the module needs to be replaced, it will cost between $40 and $148 in parts. If the spark plug is faulty, it will cost between $14 and $50.
Po354 replaced plug coil wires nothing touching aircondition lines still misses and air blows hot
Elizabeth M.
April 10, 2020
The obd p0354 error code, defined as ignition coil d primary/secondary circuit malfunction, indicates that there is a short detected in the driver circuit.
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