C3957 Trouble Code

View C3957 obd/2 error code description and symptoms. C3957 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.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

C3957 Error Code Repair Process :

If your vehicle failed a C3957 test and the C3957 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 air suspension lr air compress request exceeded max timing 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 air suspension lr air compress request exceeded max timing: 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.

C3957 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Common Causes of C3957

A common cause of code C3957 is the failure of Air Suspension LR Air Compress Request Exceeded Max Timing, but there are several other possible causes as well, such as ;

Exhaust gas leaks
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Erratic camshaft position due to low oil pressure
Incorrect Positive Crankcase Ventilation (PCV) hose connection

C3957 code for all cars

You can view according C3957 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3957 Tornado Talisman

+C3957 Bmw 530

+C3957 Chrysler Cirrus

+C3957 Rochet-schneider 18

+C3957 Ferrari 412

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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