P163A
0 owner reports and 11 manufacturer filings across 7 model years from Buick, Chevrolet, GMC.
Where P163A shows up
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports | Parts |
|---|---|---|---|---|
| 2024 Chevrolet Silverado 2500HD | Engine | 3 | — | |
| 2024 GMC Sierra 2500HD | Engine | 3 | — | |
| 2025 Buick Enclave | Fuel/Propulsion System | 1 | — | Fuel pump → |
| 2025 Chevrolet Traverse | Fuel/Propulsion System | 1 | — | Fuel pump → |
| 2024 Chevrolet Traverse | Fuel/Propulsion System | 1 | — | Fuel pump → |
| 2025 GMC Acadia | Fuel/Propulsion System | 1 | — | Fuel pump → |
| 2024 GMC Acadia | Fuel/Propulsion System | 1 | — | Fuel pump → |
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.
Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
What it gets filed under
11 manufacturer filings name P163A. 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 P163A.
- PIP6061 Service bulletin2025-05-01 · Fuel/Propulsion System
- This Preliminary information communicates there could be an electrical connection concerns at the high pressure fuel pump, and may set any combnation of diagnostic trouble codes, P0089 P0090 P00C6 P163A and / or P228C. The technician should inspect the terminals and manipulate the harness to see if any of the codes can be duplicated. Replace or repair connector or terminals as needed.
- PIP5916B Service bulletin2023-05-31 · Engine And Engine Cooling — Engine — Engine Control Module (Ecu/Ecm) — Software
- This Preliminary information communicates that there is a software issue in the ecm for the following dtc's P062D P163A P163B, P0402 P144E. P2635 which could cause a crank, no start issue, and how to correct.
- PIP5916A Service bulletin2023-05-30 · Engine And Engine Cooling — Engine — Engine Control Module (Ecu/Ecm) — Software
- This Preliminary information communicates that there is a software issue in the ecm for the following dtc's P062D P163A P163B, P0402 P144E. P2635 which could cause a crank, no start issue, and how to correct.
- PIP5916 Service bulletin2023-04-17 · Engine And Engine Cooling — Engine — Engine Control Module (Ecu/Ecm)
- This Preliminary information communicates that there is a software issue in the ecm for the following dtc's P062D P163A P163B, causing a crank, no start issue, and how to correct
What P163A means
Source: SAE J2012 / OBD-IIP163A is a manufacturer-specific code: the second character is a 1, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.
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 P163A
Source: NHTSA files and the OBD-II standardWhy does this page not define P163A?
Because it cannot be defined honestly. The second character of a trouble code says who owns its meaning, and a 1 or a 3 hands that to the manufacturer. Sites that print one definition for a manufacturer-specific code are showing you one automaker's meaning and hoping it is yours.
Can I keep driving with P163A 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.