The Lemon Index

Check engine light · Engine codes

P1098: Manufacturer-specific code.

Powertrain · ManufacturerP1098
What it means

P1098 is a manufacturer-specific code, so its exact meaning depends on the make.

How serious

Depends on what it means on your make. Get it read before a long drive.

Where a shop starts

Have a shop read it with the maker's own scan tool first.

Owners named P1098 in 48 complaints to the U.S. government, most often on the GMC Sierra.

Models that report it most

Complaints that name P1098, by model. Raw counts, not a failure rate: popular models get more complaints. Tap a model for its years, mileage and what owners say fixed it.

P1098 by model: P1098 GMC Sierra (24) · P1098 Chevrolet Silverado (13)

The details

What P1098 means

P1098 is a manufacturer-specific code: each carmaker decides what it means, so the same code can point to different problems on different brands. We haven't verified its meaning yet. A dealer or a scanner with the maker's software can tell you exactly what it means on your car.

Owners who reported it drive: Gmc (25), Chevrolet (20), Cadillac (2), Volkswagen (1).

What owners describe
  • Loses power or goes into limp mode: 15% of complaints
  • Overheats: 12% of complaints
  • Rattles or knocks: 4% of complaints

Share of complaints naming the code whose text also mentions each problem.

Model years that report P1098 most

2021 GMC Sierra (13), 2023 GMC Sierra (6), 2021 Chevrolet Silverado (6), 2022 GMC Sierra (5), 2022 Chevrolet Tahoe (4), 2022 Chevrolet Silverado (4).

Counts: NHTSA owner complaints whose text names P1098. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.

Updated · Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data

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