B3723 Volkswagen 1200 OBD Code

OBD/2 B3723 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.

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.

B3723 Volkswagen 1200 Error Code Repair Process :

If your transmission 4wd mode select return input circuit failure 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 B3723 and engine control unit are in charge of monitoring a bunch of different transmission 4wd mode select return input circuit failure, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Volkswagen 1200 B3723 OBD2 Code

A common cause of code B3723 is the failure of Transmission 4WD Mode Select Return Input Circuit Failure, 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 TCM or TCM programming
Faulty Crankshaft Position Sensor (POS)
Incorrect fuel filler cap used

B3723 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

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

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B3723 Volkswagen 1200 OBD Code

B3723 Volkswagen 1200 Error Code Repair Process :

Common Causes of Volkswagen 1200 B3723 OBD2 Code

B3723 code for other Volkswagen cars