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B2278 code in owner complaints

Code B2278 is named in 70 US owner complaints, 1 of them (1%) after a crash. Models: 4, model years 2008–2012.

There is little data for this code or its meaning is ambiguous, so this page is not indexed.

What the code means

This is a manufacturer-specific code: the meaning depends on the make and sometimes on the year.

How to read B2278: the letter B means body (including airbags and belts); the second digit 2 marks a manufacturer code whose meaning is set by the make; the last three characters 278 identify the specific fault.

Electric power steering, steering angle sensor and steering column codes. After a front wheel impact the steering angle sensor often needs calibration, and a bent rack or tie rod produces errors scanners describe as invalid data.

Key figures

Complaints with this code
70
after a crash
1 (1%)
Models
4
Model years
2008–2012

Which models and years

Models whose owners name this code (4). Years link to the model year problems page.

Model Years Complaints
Ford Escape 2008, 2009, 2010, 2011, 2012 57
Mercury Mariner 2008, 2011 7
Ford Escape Hybrid 2008, 2009, 2010 4
Mazda Tribute 2008, 2011 2

Components named together with the code

Component as the owner filed it (one complaint can list several).

Complaints by model year

What to do if an auction car has this code

What owners report

Excerpts of owner complaints in the original wording. Owner statements not verified by the regulator; personal data removed.

Related codes

Sources: public official US data (owner complaints) and the SAE J2012 standard. Complaints are owner statements not verified by the regulator. A code from a complaint does not replace a scan tool diagnosis. Data updated 2026-11-10.