U1112 Volvo 244 OBD Code

OBD/2 U1112 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

U1112 Volvo 244 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U1112 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 u1112 scp (j1850) invalid or missing data for primary id 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 u1112 scp (j1850) invalid or missing data for primary id.

Common Causes of Volvo 244 U1112 OBD2 Code

A common cause of code U1112 is the failure of U1112 SCP (J1850) Invalid or Missing Data for Primary Id, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Camshaft advance mechanism binding (VCT unit)
Fuel injectors may be faulty
Variable Camshaft Timing (VCT) position circuit is open or shorted

U1112 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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U1112 Volvo 244 OBD Code

U1112 Volvo 244 Error Code Repair Process :

Common Causes of Volvo 244 U1112 OBD2 Code

U1112 code for other Volvo cars