B2120 Trouble Code

View B2120 obd/2 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.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 30-110

B2120 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B2120 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 b2120 door passenger set switch stuck failure 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 b2120 door passenger set switch stuck failure.

B2120 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.

Common Causes of B2120

A common cause of code B2120 is the failure of B2120 Door Passenger Set Switch Stuck 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 Air Flow Meter
• Faulty Mass Air Flow (MAF) sensor
• Faulty Intake Valve Timing Control Solenoid Valve

B2120 code for all cars

You can view according B2120 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B2120 Volvo P1900

+B2120 Oldsmobile Starfire

+B2120 Monteverdi Sahara

+B2120 Ford Galaxy

+B2120 Suminoe Flying

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

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