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Old 09-16-2010, 04:19 PM
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Spartan Programming Problem??

Let me start by giving a quick rundown: I purchased my truck 5 months ago and I installed an AFE Intake, Intercooler Pipe, Flo-Pro Exhaust, Air Dog II, and Spartan with the 275 and 310 tunes. All this was installed 4 months ago. I had to have my truck serviced for warranty work last week and had to take everything off. After re-installing everything I am now getting a check engine light every time I start the engine. I then clear the codes and the light stays off. The next time I start the engine the same thing happens and its just a repeating cycle. This was not happening the first time I had everything replaced. The display for the codes on the Spartan are as follows:

Mil Status is OFF
3 DTCs
DTC Code = P0703.Brake Switch B Input
Circuit
DTC Code = P1000. OBD Systems Readiness
Test Not Complete
DTC Code = P2455. Diesel Particulate Filter
Pressure Sensor A Circuit High

The Brake Switch code is only thrown after I press down on the brake pedal. I can clear the code and it goes away, but as soon as I press the pedal the code gets thrown.

Any help on this would be greatly appreciated. Someone please chime in.

Thanks!
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Old 09-16-2010, 04:50 PM
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P1000 is normal completely normal on any tuned truck.

Possible causes of P0703:

• Open or short in the BPA circuit
• Damage in module(s) connected to the BPA circuit
• Damaged brake switch
• Misadjusted brake switch

Possible causes of P2455

• DPF signal circuit open or short to voltage
• SIGRTN circuit open
• Damaged diesel particulate filter pressure sensor

None of this is tuning related, I'll say that much.
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Old 09-16-2010, 05:33 PM
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Thanks for the quick response!

I guess I'll try to adjust the brake sensor to see if it goes away. If not, do you suggest I then replace the sensor? Where is the module connected to the BPA circuit located?

Is the diesel particulate filter pressure sensor still on the truck even though the DPF has been removed? Any suggestions on a fix?

Thanks again for the responses and sorry if some of these are stupid questions. Although I'm not new to the performance side (see sig) this is my first diesel ever and really new to this stuff. Just trying to do as much research as I can right now.
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Old 09-16-2010, 06:00 PM
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Yes, the DPF pressure sensor is still in the exhaust. It gets taken out of the DPF and put in to the delete pipe typically. I would recommend replacing the pressure sensor. You could check and make sure the wire to the sensor isn't damaged or disconnected also.
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