P1858 Mazda Etude OBD Code

OBD/2 P1858 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.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

P1858 Mazda Etude Error Code Repair Process :

For p1858 transmission transfer case contact plate d circuit failure 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. P1858 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 p1858 transmission transfer case contact plate d circuit failure with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Mazda Etude P1858 OBD2 Code

A common cause of code P1858 is the failure of P1858 Transmission Transfer Case Contact Plate D Circuit Failure, but there are several other possible causes as well, such as ;

Dirty Oil
Faulty TCM or TCM programming
Faulty TCM or TCM programming
Faulty ignition coil (s)

P1858 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.

About Us | Contact | Privacy

P1858 Mazda Etude OBD Code

P1858 Mazda Etude Error Code Repair Process :

Common Causes of Mazda Etude P1858 OBD2 Code

P1858 code for other Mazda cars