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Duramax Sixth Generation: 2017+ (L5P) Discuss the sixth generation (2017+) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

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Old 07-26-2019, 05:51 PM  
jpru5112
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So Far No Good

Bought a brand new L5P 2 days ago. I didn't need to see this. P24B0 Code.
I found 2 threads on here about it, doesn't sound like a big deal, but my dealer is 65 miles away. AWESOME!!

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Old 07-26-2019, 11:36 PM  
Dmax affair
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Yeah that sucks. Hopefully something simple... Found this pertaining to that trouble code:

DTC P24B0
TC P24B0 Particulate Matter Sensor Circuit Low Voltage

Conditions for Running the DTCs
P24B0
-DTC P142C, P142D, P142E, P142F, P1474, P1474, P1476, P1477, P1478, P16D7, P16D8, or P16D9, P24B1, P24B3, P24B5, P24B6, P24D0, or U02A3 is not set.
-The ignition is ON and the engine is not cranking.
-The ignition voltage is greater than 11 V.
-The particulate matter sensor temperature is between 600–820C (1,112–1508F).
-The reductant control module relay 2 is commanded ON.
-The DTC runs continuously when the above conditions are met

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Old 07-27-2019, 10:02 AM  
jpru5112
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Will clearing the code impact my warranty? I thought about it, then remembered I just paid and extra $3900 for the 6 year bumper to bumper warranty.
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Old 07-27-2019, 10:03 AM  
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Quote:
Originally Posted by jpru5112 View Post
Will clearing the code impact my warranty? I thought about it, then remembered I just paid and extra $3900 for the 6 year bumper to bumper warranty.
I would leave the code intact for the dealer tech to see.
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Old 07-28-2019, 06:55 PM  
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I had the same code when I got mine. The sensor goes bad from the truck sitting,condensation builds and basically shorts it out, after periods of short ignition cycles. They will probably try to do a forced Regen to clean soot off the sensor. Most likely, it will be replaced with a fresh one. Just bring to dealer, don't worry about driving it, I put around 400 miles on mine with the bad sensor, it actually got better fuel mileage coincidentally. Lol.

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Old 07-29-2019, 08:40 AM  
jpru5112
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Quote:
Originally Posted by plumber19832003 View Post
I had the same code when I got mine. The sensor goes bad from the truck sitting,condensation builds and basically shorts it out, after periods of short ignition cycles. They will probably try to do a forced Regen to clean soot off the sensor. Most likely, it will be replaced with a fresh one. Just bring to dealer, don't worry about driving it, I put around 400 miles on mine with the bad sensor, it actually got better fuel mileage coincidentally. Lol.

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I wondered if it was condensation, the truck has a January inspection sticker on it, so that's when the dealer received it. It only had 37 miles on it when I drove it off the lot last week. So it's been sitting outside for 6 months or more without being driven.
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Old 07-29-2019, 08:45 AM  
plumber19832003
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Quote:
Originally Posted by jpru5112 View Post
I wondered if it was condensation, the truck has a January inspection sticker on it, so that's when the dealer received it. It only had 37 miles on it when I drove it off the lot last week. So it's been sitting outside for 6 months or more without being driven.
Most likely. Mine sat for 8 months. Good luck!

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Old 08-14-2019, 03:05 PM  
jpru5112
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I finally got around to taking in to the dealer. They replaced the Exhaust Particulate Sensor. They said it had a bent pin on it, so it came from the factory that way.
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Old 08-14-2019, 04:12 PM  
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Quote:
Originally Posted by jpru5112 View Post
I finally got around to taking in to the dealer. They replaced the Exhaust Particulate Sensor. They said it had a bent pin on it, so it came from the factory that way.
Still annoying on a new ride, but it's always good when they can find an assignable cause.

Thanks for updating
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Old 08-14-2019, 08:47 PM  
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Congrats on a quick fix! Hope you get a lot of worry free miles now!!

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