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P0201 Diagnostic Trouble Code Discussion for August 2004

Fuel Injector 1 Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0201
Help Request Posted
2002 Jeep Grand Cherokee Limited 4.7L Misfire VIN: 1J4GW58J72
P0201: Fuel Injector 1 Control Circuit Malfunction. Vehicle came in with mis-fire. Found code for #1 injector driver(po201). Checked waveform at pcm of #1 injector. Waveform showed battery voltage, pcm did not ground injector. Checked all powers and grounds to pcm no problem found. The po201 code always came on...
August 19, 2004