P1277 Toyota Matrix OBD Code

OBD/2 P1277 error code description and symptoms.

The Transmission Range Sensor (also referred to as the PRNDL input an/or neutral safety switch) tells the transmission control module (TCM) an the engine control module (PCM) that the transmission is in park, reverse, neutral, drive, low, 2nd, 3rd etc. It is attached directly to the manual valve of transmission, so when the shift lever is moved from park to drive, the Transmission Range Sensor communicates this critical information to the above mentioned vehicle control module systems.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

P1277 Toyota Matrix Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P1277 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 p1277 cylinder #7 high to low side open 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 p1277 cylinder #7 high to low side open.

Common Causes of Toyota Matrix P1277 OBD2 Code

A common cause of code P1277 is the failure of P1277 Cylinder #7 High To Low Side Open, but there are several other possible causes as well, such as ;

Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Faulty ignition coil (s)
EVAP canister or fuel tank leaks
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1

P1277 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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P1277 Toyota Matrix OBD Code

P1277 Toyota Matrix Error Code Repair Process :

Common Causes of Toyota Matrix P1277 OBD2 Code

P1277 code for other Toyota cars