P2463 Soot has built up in the diesel particulate filter beyond the allowed limit
2 owner reports and 757 manufacturer filings across 121 model years from Cadillac, Chevrolet, Ford, GMC and others.
Where P2463 shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports | Parts |
|---|---|---|---|---|
| 2016 GMC Savana | Engine | 20 | — | |
| 2019 Chevrolet Silverado | Engine | 18 | — | |
| 2017 GMC Savana | Engine | 17 | — | |
| 2021 Chevrolet Silverado | Engine | 15 | — | |
| 2020 Chevrolet Silverado | Fuel/Propulsion System | 14 | — | Fuel pump → |
| 2017 GMC Sierra | Engine | 14 | — | |
| 2016 Chevrolet Express | Engine | 13 | — | |
| 2017 Chevrolet Silverado | Engine | 13 | — | |
| 2018 GMC Savana | Engine | 13 | — | |
| 2016 GMC Sierra | Engine | 13 | — | |
| 2023 Chevrolet Silverado | Engine | 12 | — | |
| 2022 Chevrolet Silverado | Fuel/Propulsion System | 11 | — | Fuel pump → |
| 2020 Chevrolet Silverado 2500HD | Engine | 11 | — | |
| 2019 GMC Sierra | Engine | 11 | — | |
| 2020 GMC Sierra 2500HD | Engine | 11 | — | |
| 2017 Chevrolet Express | Engine | 9 | 1 | |
| 2018 Chevrolet Silverado 2500HD | Equipment | 10 | — | |
| 2021 Cadillac Escalade | Engine | 9 | — | |
| 2016 Chevrolet Colorado | Engine | 9 | — | |
| 2020 Chevrolet Silverado 3500HD | Engine | 9 | — | |
| 2016 GMC Canyon | Engine | 9 | — | |
| 2018 GMC Sierra | Engine | 9 | — | |
| 2017 Chevrolet Colorado | Engine | 8 | — | |
| 2017 Chevrolet Cruze | Engine | 8 | — | |
| 2018 Chevrolet Express | Engine | 8 | — |
Showing the 25 model years where P2463 appears most; it is on file for 121 in total.
A model year appears here because the code is named in its record, not because every one of these vehicles sets it. Counts are mentions in the federal files, not failure rates — nobody publishes the denominator.
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P2463 by make
The same record, one make at a time: the model years, bulletins and owner reports that name P2463 on that maker’s vehicles.
What it gets filed under
What owners said
Source: NHTSA complaint databaseOwners’ own words, one per nameplate, scrubbed of anything identifying. These are unverified reports filed with NHTSA — they are what was said, not a finding that it was true.
My 2026 Chevrolet Silverado 3500 with the 6.6L Duramax diesel has experienced three separate P2463 Diesel Particulate Filter excessive soot accumulation events at approximately 4,300, 5,500, and 10,280 miles
The last two events had code: P2463, the dealer ran a service regen, but no fault was found
757 manufacturer filings name P2463. Start with what the maker wrote down.
A code names the test that failed, not the part. A bulletin that names it is often a diagnosis someone has already written down — quote its number at the service desk.
Manufacturer filings that name it
Source: NHTSA manufacturer communicationsService bulletins and campaigns whose filed summary names P2463.
- 24-NA-215 Service bulletin2024-12-18 · Electrical System
- This technical bulletin provides repair information to correct a customer concern of an MIL Illuminated in DIC (with DTCs P2463 and P04DB set).
- 24-NA-215 Service bulletin2024-10-04 · Engine
- This technical bulletin provides repair information to correct a customer concern of an MIL Illuminated in DIC (with DTCs P2463 and P04DB set).
- 24-NA-197 Service bulletin2024-09-19 · Fuel/Propulsion System
- This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTCs P2463 P2459 P11FB P11D3.
- PIP5999 Service bulletin2024-09-14 · Unknown Or Other
- This Preliminary information communicates to the dealer technicians that a starting sequence using the key fob / remote may contribute to DTC P2463 setting, the engine running rough and / or lower than expected fuel economy.
- 18-062-24 Service bulletin2024-07-09 · Power Train
- "Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2463 - Particulate Filter Restriction - Soot Accumulation Bank 1. (EE Market Only)** ● P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. ● P025C - Fuel Pump
- MAS003996 MTB 24-20 Service bulletin2024-05-01 · Vehicle Speed Control
- This Technical bulletin serves as a guide and provides additional diagnostic info for possible DTC P2463 stored in the ECM.
What P2463 means
Source: SAE J2012 / OBD-IISoot has built up in the diesel particulate filter beyond the allowed limit.
A stored code names the test that failed, never the part that caused it. It is the starting point of a diagnosis, not its conclusion — the same code has several possible causes and the cheap one is not always right.
Common questions about P2463
Source: NHTSA files and the OBD-II standardCan I keep driving with P2463 stored?
Nobody can answer that from the code alone, and a site that does is guessing. A steady light means a fault was logged and the car should be checked soon; a flashing light means a severe misfire — slow down and get it seen as soon as possible, because severe misfire can quickly damage the catalytic converter. The safe read of this page is the mileage and the components, not permission.
Does a code mean the car is recalled?
No. Recalls are filed by campaign and matched by VIN, and none of them are triggered by a scan tool. If you want to know whether an open recall applies to one specific vehicle, check the VIN at nhtsa.gov/recalls — that is the only source that settles it.
Why do the counts here differ from other sites?
Because these are not estimates. Every number on this page is a count of documents in NHTSA's own files: manufacturer communications that name the code in their filed summary, and owner complaints that name it in the narrative. We do not model, weight or extrapolate them.
Will clearing the code fix it?
Clearing turns the light off and erases the freeze-frame data a technician would have used to work out what happened. If the condition is still there the code returns, usually within a few drive cycles, and the diagnosis now starts from less information than before.