U0980 Smart Roadster OBD Code

OBD/2 U0980 error code description and symptoms.

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) U0980 DTC is a check of the VCT unit.

Gear changes are accomplished by a command from the TCM to energize the clutch actuator to release the clutch; after which various actuators inside the transmission disengage the current gear, and depending on current operating conditions, engage the next higher or lower gear ratio. All of this happens much faster than a human driver could change gears, and in most applications, gear changes are as smooth and seamless as on any fully automatic transmission.

U0980 Smart Roadster Error Code Repair Process :

If your air bypass system check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system U0980 and engine control unit are in charge of monitoring a bunch of different air bypass system, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Smart Roadster U0980 OBD2 Code

A common cause of code U0980 is the failure of Air Bypass System, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Variable Camshaft Timing (VCT) position solenoid
Faulty starter motor
Fuel injectors may be faulty

U0980 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.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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U0980 Smart Roadster OBD Code

U0980 Smart Roadster Error Code Repair Process :

Common Causes of Smart Roadster U0980 OBD2 Code

U0980 code for other Smart cars