P248D Cadillac V OBD Code

OBD/2 P248D 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.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code P248D, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code P248D on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

P248D Cadillac V Error Code Repair Process :

If your transmission transfer case contact plate ground return open circuit check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P248D and engine control unit are in charge of monitoring a bunch of different transmission transfer case contact plate ground return open circuit, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Cadillac V P248D OBD2 Code

A common cause of code P248D is the failure of Transmission Transfer Case Contact Plate Ground Return Open Circuit, but there are several other possible causes as well, such as ;

Dirty Oil
Faulty front heated oxygen sensor
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
EVAP canister or fuel tank leaks

P248D 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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P248D Cadillac V OBD Code

P248D Cadillac V Error Code Repair Process :

Common Causes of Cadillac V P248D OBD2 Code

P248D code for other Cadillac cars