P3789 Volvo 260 OBD Code

OBD/2 P3789 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 P3789

Regardless of the design though, the purpose of all clutch actuating systems is to improve the driving experience by removing the need for manual clutch operation by the driver. Computer-controlled clutch actuating systems work particularly well in dual clutch systems where one clutch controls gear changes of even-numbered gear ratios, and a second clutch that controls gear changes of odd-numbered ratios.

P3789 Volvo 260 Error Code Repair Process :

The rule of P3789 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 heater system failure. Likewise, overriding the OBD P3789 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 Volvo 260 P3789 OBD2 Code

A common cause of code P3789 is the failure of Heater System Failure, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
1Camshaft Position Sensor circuit poor electrical connection
Faulty Fuel injector
Fuel Injectors circuit poor electrical connection

P3789 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

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

About Us | Contact | Privacy

P3789 Volvo 260 OBD Code

P3789 Volvo 260 Error Code Repair Process :

Common Causes of Volvo 260 P3789 OBD2 Code

P3789 code for other Volvo cars