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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
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