Which cars report code C0045?

Code C0045 is named in 4 US owner complaints. Models: 4, model years 2010–2014. Cadillac SRX, Chevrolet Equinox, Chevrolet Traverse, Subaru Outback.

C0045 code: Brake Pressure Sensor B

Q: What does code C0045 mean?

Brake Pressure Sensor B. How to read C0045: the letter C means chassis (brakes, ABS, steering, suspension); the second digit 0 marks a generic SAE code shared by all makes; the last three characters 045 identify the specific fault.

Code C0045 is named in 4 US owner complaints. Models: 4, model years 2010–2014.

What the code means

Brake Pressure Sensor B. Generic meaning per SAE J2012 (the same for all makes).

How to read C0045: the letter C means chassis (brakes, ABS, steering, suspension); the second digit 0 marks a generic SAE code shared by all makes; the last three characters 045 identify the specific fault.

ABS/ESC codes: wheel speed sensors, the ABS hydraulic unit and pump, brake booster, pressure and yaw sensors. A hit to a wheel or suspension often damages the wheel speed sensor or its wiring, so on a damaged car this code is a reason to inspect the hub, knuckle and control arms, not just swap the sensor.

Key figures

Complaints with this code: 4
Models: 4
Model years: 2010–2014

Which models and years

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

Model	Years	Complaints
Cadillac SRX	2011	1
Chevrolet Equinox	2012	1
Chevrolet Traverse	2014	1
Subaru Outback	2010	1

Components named together with the code

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

Electronic stability control 2
Fuel/propulsion system 1
Powertrain 1

Complaints by model year

2010 1
2011 1
2012 1
2014 1

What to do if an auction car has this code

Inspect the wheel and suspension on the impact side: the wheel speed sensor is often damaged together with the hub or knuckle.
Check whether the ABS and ESC lights stay on after start-up.
After replacing sensors or the hydraulic unit, bleeding and scan tool adaptation may be required.

What owners report

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

There have 2 2ea fuel level sensors installed with no luck in keeping the check will return. The are codes P0463, P069E and C0045.
Chevrolet Traverse 2014 · 2021-03
Duration of the message varies from a couple of seconds to minutes before all lights extinguish. Service center reported code C0045 - replace l/r hub bearing assembly, though various references online indicate the solution for others are all over the place with some dealership maintenance shops trying multiple fixes…
Chevrolet Equinox 2012 · 2019-01
The transmission would re-engage after shifting to neutral or park and back to drive. The first time this event was reported to the subaru dealer a number of codes came up; C0057, C0045, C0231, C0232, C0282. Subaru told the dealer to erase the codes and re-program the software.
Subaru Outback 2010 · 2011-02

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.