C1438 Trouble Code

View C1438 obd/2 error code description and symptoms. C1438 engine photo

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.

Regardless of the design though, the purpose of all clutch actuating systems is to improve the driving experience by removing the need for manual clutch operation by the driver. Computer-controlled clutch actuating systems work particularly well in dual clutch systems where one clutch controls gear changes of even-numbered gear ratios, and a second clutch that controls gear changes of odd-numbered ratios.

C1438 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C1438 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 c1438 accelerometer rear circuit short to battery 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 c1438 accelerometer rear circuit short to battery.

C1438 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Common Causes of C1438

A common cause of code C1438 is the failure of C1438 Accelerometer Rear Circuit Short To Battery, 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
Exhaust gas leaks
Failures of clutch motion/travel sensors.
Ignition coils harness is open or shorted

C1438 code for all cars

You can view according C1438 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C1438 Ferrari Superamerica

+C1438 Rochet-schneider 25

+C1438 Mitsubishi Rpm

+C1438 Ferrari P2

+C1438 Mitsubishi Field Guard

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