U1662 Mercedes Clk 240 OBD Code

OBD/2 U1662 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) U1662 DTC is a check of the VCT unit.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

U1662 Mercedes Clk 240 Error Code Repair Process :

The scent may U1662 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such U1662, so if the inside of your car pats received invalid format of key-code from ignition key transponder as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Mercedes Clk 240 U1662 OBD2 Code

A common cause of code U1662 is the failure of PATS Received Invalid Format Of Key-Code From Ignition Key Transponder, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty select solenoid
Camshaft advance mechanism binding (VCT unit)
Open or short in the CMP sensor circuits

U1662 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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U1662 Mercedes Clk 240 OBD Code

U1662 Mercedes Clk 240 Error Code Repair Process :

Common Causes of Mercedes Clk 240 U1662 OBD2 Code

U1662 code for other Mercedes cars