U029D Engine Fault Code

Check Solution For U029D OBD Code :

U029D engine code seems a kind of network problem, we try to show one by one the meaning and the solution.
Brief explanation of the U029D code and definition of U029D is the bottom side.

U029D Meaning :

u Network Code
Problem is climate control system, lighting, airbags, etc.
0 SAE - Generic
2 BBV Sensor Circuit Low Voltage
9 BBV Sensor Circuit Low Voltage
d 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 U029D ?

The engine system, in conjuction with the engine control module (ECM)/powertrain control module (PCM), activates the U029D 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.

U029D Code Description:

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate. When you see U029D engine fault code on your engine code reader this description will help you.

U Codes List of all Network 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 U 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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