B1421 Trouble Code

View B1421 obd/2 error code description and symptoms. B1421 engine photo

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

In most cases, the TCM is integrated into a single housing with the PCM. Nevertheless, the section of the module which controls (automatic) transmission function may be powered up separately. In any case, the TCM is typically powered using switched (only present with the ignition switch in the ON, start, or run position) voltage. This circuit is normally equipped with a fuse, fusible link, and/or a relay. Frequently, the PCM and TCM are powered using the same relay albeit by separate circuits. Access to a reliable vehicle information source will yield necessary details of the TCM power circuit for the specific vehicle in question.

Difficulty Level (Soso)
Level
Repair Time (30 Min.)
Time
Cost Prediction : $ 75-90

B1421 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B1421 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 b1421 passenger power window motor circuit short to ground 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 b1421 passenger power window motor circuit short to ground.

Wrench Tool B1421 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 B1421

A common cause of code B1421 is the failure of B1421 Passenger Power Window Motor Circuit Short To Ground, but there are several other possible causes as well, such as ;

B1421 code for all cars

You can view according B1421 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B1421 Nissan Terrano +B1421 Ferrari 410 +B1421 Citroen Evasion +B1421 Bentley 8-litre +B1421 Maybach Sw

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