U1266 Trouble Code

View U1266 obd/2 error code description and symptoms. U1266 engine photo

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.

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.

U1266 Error Code Repair Process :

If your vehicle failed a U1266 test and the U1266 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses climate control pushbutton circuit failure a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look climate control pushbutton circuit failure: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature.

U1266 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 U1266

A common cause of code U1266 is the failure of Climate Control Pushbutton Circuit Failure, but there are several other possible causes as well, such as ;

Exhaust gas leaks
Faulty starter motor
Faulty select solenoid
Clogged or faulty fuel injector (s)

U1266 code for all cars

You can view according U1266 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+U1266 Giannini 1000

+U1266 Gmc Acadia

+U1266 American Limousine

+U1266 Hyundai Atos

+U1266 Bond Bug

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