P1201 Code ?
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P1201 Code ?
Hey guys, I hope you can give me some direction on a recent issue I am having with my 02' PSD. After getting a CEL recently while accelerating on a grade, I pulled codes using a Hypertech programmer and found p0472, and p1201. The 0472 I am aware of because the back pressure sensor is unplugged. The 1201 has me stumped. I did a search and found nothing on this and the code is not listed on all lists of codes but I found it to be #1 injector circuit open/shorted. I cleared codes and got it again several days later. Truck starts and runs great as always, can't really tell any difference even when CEL light is on. It usually goes out within a few minutes.
Where do I start? UVC harness?
Thanks in advance
Where do I start? UVC harness?
Thanks in advance
Of the next Riffraff East
Joined: Oct 2004
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From: Concord NC
Originally Posted by CanadaGuy
Are you sure it's not P1210? If so, it's set because your tuner is upping the ICP to levels higher than what the PCM wants to see. Don't worry about it...
Welcome to FTE and hope to see ya around 257man.
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Same here on the 1210, that is what I thought too but it is definitely P1201. I looked it up on google and found a list of codes containing more numbers than present on some of the lists here. P1201-1208 are injector circuits open/shorted for cylinders 1-8 respectively. Truck runs fine so I don't know if this is an instantaneous thing setting a code or what. It runs too smooth to be only on 7 cylinders I would think, but who knows. Any ideas?
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