P0B7B Trouble Code

View P0B7B obd/2 error code description and symptoms. P0B7B engine photo

Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.

In most cases, the TCM is integrated into a single housing with the PCM. Nevertheless, the section of the module which controls (automatic) transmission function may be powered up separately. In any case, the TCM is typically powered using switched (only present with the ignition switch in the ON, start, or run position) voltage. This circuit is normally equipped with a fuse, fusible link, and/or a relay. Frequently, the PCM and TCM are powered using the same relay albeit by separate circuits. Access to a reliable vehicle information source will yield necessary details of the TCM power circuit for the specific vehicle in question.

P0B7B Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P0B7B light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If air bag passenger circuit short to battery - loop #2 so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the air bag passenger circuit short to battery - loop #2.

P0B7B is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P0B7B

A common cause of code P0B7B is the failure of Air Bag Passenger Circuit Short to Battery - Loop #2, but there are several other possible causes as well, such as ;

Dirty Oil
Faulty select solenoid
EVAP canister or fuel tank leaks
Failures of clutch motion/travel sensors.

P0B7B code for all cars

You can view according P0B7B DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0B7B Bond 12

+P0B7B Morgan Plus

+P0B7B American Speedster

+P0B7B Rochdale Olympic

+P0B7B Toyota Curren

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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