Search engine trouble codes.
Example: P0120
U3772 engine code seems a kind of network problem, we try to show one by one the meaning and the solution. Brief explanation of the U3772 code and definition of U3772 is the bottom side.
| u | Network Code Problem is climate control system, lighting, airbags, etc. | 
| 3 | SAE - Generic | 
| 7 | BBV Sensor Circuit Low Voltage | 
| 7 | BBV Sensor Circuit Low Voltage | 
| 2 | 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.
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How To Fix U3772 ?
 Deactivation of cylinders is achieved by releasing a synchroniser pin that normally interlocks the cam follower and rocker arms. U3772 code resolves the synchroniser pin is released using hydraulic pressure which is controlled by a dedicated solenoid. | 
The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue. When you see U3772 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.