Survey- For those with misfire issues

[Cburgess33]

Bulletin number 18-053-20 came out on 7/11 calling for a software update for P-0300.

can someone post details of this TSB? I searched and could not find

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[jwork435]

Yes-please-details would be helpful.

 

[Devildog]

Bulletin number 18-053-20 came out on 7/11 calling for a software update for P-0300.

Mine goes in tomorrow at 9:30 am I’ll let everyone know! Fingers crossed here.

 

[jwork435]

Just got a call. Going to pick mine up in an hour. I’ll update afterward.

 

[Flea1987]

Damn I hope to hear back.on mine soon. Dropped it off Saturday.

 

[SJK]

Bulletin number 18-053-20 came out on 7/11 calling for a software update for P-0300.

First day driving my Gladiator after flash update. I am very pleased to report ESS operated flawlessly and no CEL light.

 

[PJM86]

Nice...

 

[Flea1987]

Dealer just called. Says its unrelated to the update and they could not find an issue or recreate it.

 

[SJK]

Dealer just called. Says its unrelated to the update and they could not find an issue or recreate it.

My repair invoice states that a PCM update was performed. Under heading "Parts," it states "Engine Light found code P0300 Multi Engine Misfire checked vehicle found update for this code. Flashing from current part number 68433756AI to targeted part number 6843375AK." Regarding ESS not working A light, it states: "Related to line A." Regarding rough engine, it also states: "Related to line A." I did notice that my voltage meter now stays fairly constant at 14.0, when it was fluctuating into the low 13's and even high 12's previously. My build date was January 2020.

 

[Flea1987]

My repair invoice states that a PCM update was performed. Under heading "Parts," it states "Engine Light found code P0300 Multi Engine Misfire checked vehicle found update for this code. Flashing from current part number 68433756AI to targeted part number 6843375AK." Regarding ESS not working A light, it states: "Related to line A." Regarding rough engine, it also states: "Related to line A." I did notice that my voltage meter now stays fairly constant at 14.0, when it was fluctuating into the low 13's and even high 12's previously. My build date was January 2020.

Funny you mention the voltage. I've seen mine do that. Never thought any thing of it.

 

[jwork435]

Got mine in the driveway. So far so good. The paperwork is below.

 

[Cburgess33]

Got mine in the driveway. So far so good. The paperwork is below.

Hopefully this works for u !! I was hoping they shed more light on what needed to be reprogrammed . Does seem weird all JT programmed basically the same but only a subset saw actual problems - This part has me curious... but either way good luck and hope u are out of the woods on this one !

 

[Vickie Sae]

They are changing the Intake Manifold on mine and waiting for a copy of the software for the PCM update. Is anyone else getting their intake manifold replaced?

 

[cecaa850]

can someone post details of this TSB? I searched and could not find

It's basically a PCM flash that covers the P0300, P258B, C1252-92 and P0456 codes.

 

[cecaa850]

They are changing the Intake Manifold on mine and waiting for a copy of the software for the PCM update. Is anyone else getting their intake manifold replaced?

There's no "copy" of the software to wait on. It came out on the 11th and is available immediately to all dealers.

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