U0399 Jaguar Xkr OBD Code

OBD/2 U0399 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) U0399 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.

U0399 Jaguar Xkr Error Code Repair Process :

The rule of U0399 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 knock sensor 1 circuit malfunction (bank 1 or single sensor). Likewise, overriding the OBD U0399 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.

Common Causes of Jaguar Xkr U0399 OBD2 Code

A common cause of code U0399 is the failure of Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor), but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Crankshaft Position Sensor (POS)
Incorrect fuel pressure
Three way catalyst converter Bank 1

U0399 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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U0399 Jaguar Xkr OBD Code

U0399 Jaguar Xkr Error Code Repair Process :

Common Causes of Jaguar Xkr U0399 OBD2 Code

U0399 code for other Jaguar cars