The Lemon IndexB1B02 is a manufacturer-specific code, so its exact meaning depends on the make.
Depends on what it means on your make. Get it read before a long drive.
Have a shop read it with the maker's own scan tool first.
Owners named B1B02 in 24 complaints to the U.S. government, most often on the Jeep Wrangler.
Models that report it most
Complaints that name B1B02, 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.
B1B02 by model: B1B02 Jeep Wrangler (19)
Years owners report it on most: 2013 Jeep Wrangler · 2010 Jeep Wrangler · 2011 Jeep Wrangler · 2012 Jeep Wrangler · 2008 Jeep Wrangler · 2018 Jeep Wrangler
The details
What B1B02 means
B1B02 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: Jeep (21), Chrysler (2), Dodge (1).
Model years that report B1B02 most
2013 Jeep Wrangler (4), 2010 Jeep Wrangler (3), 2011 Jeep Wrangler (3), 2012 Jeep Wrangler (3), 2008 Jeep Wrangler (2), 2018 Jeep Wrangler (2).
Counts: NHTSA owner complaints whose text names B1B02. 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.