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P01693 and P01694

Vinster_Beta
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Vinster_Beta

Vinster_Beta

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Every once in a while i experience a very quick loss of power as if you turned the truck off and then it comes back and acts normal. The whole thing only will last for a fraction of a second but is very easily noticeable. Sometimes, rarely, but sometimes when I first crank the truck and go to pull out of my parking spot the truck will just instantly die. Then i can fire it back off with no problems after that. Only showing 3 codes which is p01693, p01694 and p0230, I have a mechanical fuel pump on the truck so that's why its giving a code P0230 but I am curious about the others. I'm gonna start by checking grounds and the spliced factory grounds to make sure that couldn't be an issue. I do run a Quadzilla but doubt that is the issue. Curious to know if anybody has some other info to go off of. I know they are companion codes but don't know what to do about it.

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Mopar1973Man

Mopar1973Man

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CCD network issue. P1698 and/or P1694.

 

P1694 is the ECM is not able to listen or talk on the network.

P1698 is the PCM is not able to listen or talk on the network.

 

Since it's the ECM you'll have to check few connections. The screw down connector in the PDC. Then the two connectors on the cowl near the fuel filter. You might have to ohm out the CCD network from end to end. Also you can check the CCD voltage too. It should be 2.49 volts and 2.51 volt after all the modules stop talking this can be done in the OBDII port.

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Vinster_Beta

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6 hours ago, Mopar1973Man said:

CCD network issue. P1698 and/or P1694.

 

P1694 is the ECM is not able to listen or talk on the network.

P1698 is the PCM is not able to listen or talk on the network.

 

Since it's the ECM you'll have to check few connections. The screw down connector in the PDC. Then the two connectors on the cowl near the fuel filter. You might have to ohm out the CCD network from end to end. Also you can check the CCD voltage too. It should be 2.49 volts and 2.51 volt after all the modules stop talking this can be done in the OBDII port.

Just did a check of the connectors and they look pretty mint with factory dielectric grease still in them, so no sign of corrosion there. Is there a specific way I need to check the CCD voltage? I'll probably have to source a OBDII tool that can do that function unless I can just multimeter it.

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Vinster_Beta

Vinster_Beta

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On 9/22/2021 at 10:11 AM, Mopar1973Man said:

 

I got around to checking voltage using thr ODBII port this evening.

Pin 11 is showing 2.43 volts

Assuming you ment pin 3, is showing 2.47 volts. 

Is it that ticky with being a little off?

Edited by Vinster_Beta
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