P078A Volkswagen Pointer OBD Code

OBD/2 P078A error code description and symptoms.

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.

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.

P078A Volkswagen Pointer Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P078A 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 oil change reset button 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 oil change reset button circuit short to ground.

Common Causes of Volkswagen Pointer P078A OBD2 Code

A common cause of code P078A is the failure of Oil Change Reset Button Circuit Short To Ground, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Faulty spark plug (s)
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted

P078A 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

P078A Volkswagen Pointer OBD Code

P078A Volkswagen Pointer Error Code Repair Process :

Common Causes of Volkswagen Pointer P078A OBD2 Code

P078A code for other Volkswagen cars