B3479 Trouble Code

View B3479 obd/2 error code description and symptoms. B3479 engine photo

The Transmission Fluid Pressure Switch allows the engine's control module (PCM) or Transmission Control Module (TCM) to use hydraulic fluid to engage the clutches in the transmission to allow for smoother shifting while driving. If the PCM or TCM detects an issue with the hydraulic clutch or the pressure switch, the PCM or TCM will set code B3479

A good starting point in your diagnosis is checking all system fuses and fusible links. This can be done using the DVOM on the voltage setting. You will want to test the fuses with circuits loaded. Some fuses will appear normal until a load is placed on their respective circuit; at which point they will fail. This has been the cause of many 'phantom malfunctions'. Consult your vehicle information source for fuse and fusible link locations. If all fuses are in working order, you may want to check TCM relay operation by swapping identical relays. Usually the horn relay, starter relay, fuel pump relay, air conditioning clutch relay, and controller relays are similar enough in design to swap for diagnostic purposes.

B3479 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B3479 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 pedal position not available 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 pedal position not available.

B3479 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 B3479

A common cause of code B3479 is the failure of Pedal Position Not Available, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
Engine Control Module (ECM)
Fuel filler cap remains open or fails to close
Incorrect fuel filler cap used

B3479 code for all cars

You can view according B3479 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B3479 Fiat 128

+B3479 Du Pont Touring

+B3479 Tvr Tina

+B3479 La Buire 10 Hp

+B3479 Alpine A110

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

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