Check U0101 Fault Code
When you check engine light came on code U0101 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the U0101 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
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U0101 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set. |
U0101 Possible Fix :
Small but critical, a spark plug makes the car move. Its function is to ignite the compressed fuel in the engine. A worn spark plug will cause a weak spark. It may even prevent ignition entirely, or cause ignition at the wrong time. A misfire will affect engine power and fuel economy and cause massive amounts of potential damage.
U0101 OBD-II Diagnostic Network (U) Trouble Code DescriptionU0101 OBD-II Trouble Code Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commReason For U0101 CodeThe reason of U0101 OBD-II Fault Code Check is U0101 Lost Communication With Transmission Control Module . |
U0101 Solution:
Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.
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What does fault code U0101 mean ?
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How to Clear U0101 Trouble Code
An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.