C0378 Engine Fault Code

Check Solution For C0378 OBD Code :

C0378 engine code seems a kind of chassis problem, we try to show one by one the meaning and the solution.
Brief explanation of the C0378 code and definition of C0378 is the bottom side.

C0378 Meaning :

c Chassis Code
Problem is controller area network wiring bus and modules.
0 SAE - Generic
3 BBV Sensor Circuit Low Voltage
7 BBV Sensor Circuit Low Voltage
8 Transmission

SAE - Generic codes, which have a '0' as their second digit to indicate they are common to all makes and models of vehicles. These are the codes that are required for basic emissions fault diagnosis.

How To Fix C0378 ?

The engine system, in conjuction with the engine control module (ECM)/powertrain control module (PCM), activates the C0378 code solenoid valve to control oil pressure to the engine mechanism that is installed in the valve system to switch valve timing between Low and High.If the engine solenoid valve has an open or short circuit, a DTC is stored.

C0378 Code Description:

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions. When you see C0378 engine fault code on your engine code reader this description will help you.

C Codes List of all Chassis codes.

Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the C Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.

BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.

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