The Lemon Index

Check engine light · Engine codes

P1101: Manufacturer-specific code.

Powertrain · ManufacturerP1101
What it means

P1101 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 P1101 in 33 complaints to the U.S. government, most often on the Chevrolet Malibu.

Models that report it most

Complaints that name P1101, 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.

P1101 by model: P1101 Chevrolet Malibu (19)

The details

What P1101 means

P1101 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: Chevrolet (29), Buick (2), Cadillac (1), Gmc (1).

What owners describe
  • Loses power or goes into limp mode: 36% of complaints
  • Stalls or shuts off: 21% of complaints
  • Shakes, runs rough or misfires: 21% of complaints
  • Brakes or ABS act up: 18% of complaints

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

Model years that report P1101 most

2018 Chevrolet Malibu (4), 2019 Chevrolet Malibu (4), 2016 Chevrolet Malibu (3), 2021 Chevrolet Malibu (3), 2017 Chevrolet Malibu (2), 2017 Chevrolet Cruze (2).

Counts: NHTSA owner complaints whose text names P1101. 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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