U1662 Trouble Code

View U1662 obd/2 error code description and symptoms. U1662 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) U1662 DTC is a check of the VCT unit.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

U1662 Error Code Repair Process :

The rule of U1662 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of pats received invalid format of key-code from ignition key transponder. Likewise, overriding the OBD U1662 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

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.

Common Causes of U1662

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 starter motor
Faulty spark plug (s)
Faulty Crankshaft Position Sensor (POS)

U1662 code for all cars

You can view according U1662 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+U1662 Vignale 124

+U1662 Rover Metro

+U1662 Nissan Fairlady

+U1662 Ford Corcel

+U1662 Fiat Panda 2

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