U2111 Holden Zafira OBD Code

OBD/2 U2111 error code description and symptoms.

The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

U2111 Holden Zafira Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U2111 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If a/c post heater sensor #2 circuit short to ground so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the a/c post heater sensor #2 circuit short to ground.

Common Causes of Holden Zafira U2111 OBD2 Code

A common cause of code U2111 is the failure of A/C Post Heater Sensor #2 Circuit Short to Ground, but there are several other possible causes as well, such as ;

Exhaust gas leaks
Damaged VCT phaser
Fuel injector leaks
Three way catalyst converter Bank 1

U2111 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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U2111 Holden Zafira OBD Code

U2111 Holden Zafira Error Code Repair Process :

Common Causes of Holden Zafira U2111 OBD2 Code

U2111 code for other Holden cars