B3979 Citroen Gsx OBD Code

OBD/2 B3979 error code description and symptoms.

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 B3979

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.

B3979 Citroen Gsx Error Code Repair Process :

The rule of B3979 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of door handle switch circuit open. Likewise, overriding the OBD B3979 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Common Causes of Citroen Gsx B3979 OBD2 Code

A common cause of code B3979 is the failure of Door Handle Switch Circuit Open, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
Camshaft Position Sensor harness is open or shorted
Faulty ignition coil (s)
EVAP system hose leaking

B3979 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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B3979 Citroen Gsx OBD Code

B3979 Citroen Gsx Error Code Repair Process :

Common Causes of Citroen Gsx B3979 OBD2 Code

B3979 code for other Citroen cars