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) U3142 DTC is a check of the VCT unit.
Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code U3142, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code U3142 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.
For idle control system malfunction check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. U3142 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks idle control system malfunction with your car's computers to find out exactly what's prompting the light to turn on.
Difficulty Level (Soso)
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Repair Time (50 Min.)
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Cost Prediction : $ 70-120 |
U3142 is a kind of Network Trouble Code
U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason. |
You can view according U3142 DTC for your car model. We selected several models to see obd2 solutions click and view it.