P279B Peugeot 406 OBD Code

OBD/2 P279B error code description and symptoms.

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.

Gear changes are accomplished by a command from the TCM to energize the clutch actuator to release the clutch; after which various actuators inside the transmission disengage the current gear, and depending on current operating conditions, engage the next higher or lower gear ratio. All of this happens much faster than a human driver could change gears, and in most applications, gear changes are as smooth and seamless as on any fully automatic transmission.

P279B Peugeot 406 Error Code Repair Process :

For p279b transfer case gear low incorrect ratio check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P279B error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks p279b transfer case gear low incorrect ratio with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Peugeot 406 P279B OBD2 Code

A common cause of code P279B is the failure of P279B Transfer Case Gear Low Incorrect Ratio, but there are several other possible causes as well, such as ;

Dirty Oil
Engine Control Module (ECM)
Fuel pressure
Erratic camshaft position due to low oil pressure

P279B 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.

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

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P279B Peugeot 406 OBD Code

P279B Peugeot 406 Error Code Repair Process :

Common Causes of Peugeot 406 P279B OBD2 Code

P279B code for other Peugeot cars