B1631 Trouble Code

View B1631 obd/2 error code description and symptoms. B1631 engine photo

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) B1631 DTC is a check of the VCT unit.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

B1631 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B1631 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 b1631 mirror driver left circuit failure 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 b1631 mirror driver left circuit failure.

B1631 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B1631

A common cause of code B1631 is the failure of B1631 Mirror Driver Left Circuit Failure, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
EVAP canister or fuel tank leaks
Damaged VCT phaser
Variable Valve Timing (VVT) circuit is open or shorted

B1631 code for all cars

You can view according B1631 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B1631 Mercedes-benz M Class

+B1631 Plymouth Acclaim

+B1631 Jaguar E-pace

+B1631 Skoda Yeti

+B1631 Maserati 3500

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