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C3711 BMW Fault Code

Check C3711 OBD Fault Code Reason
Description:

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

C3711 Code Symptoms :

See C3711 in engine

There are currently two main types of cylinder deactivation used today, depending on the type of engine. C3711 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

Diagnosis And Repairing C3711

C3711 OBD 2 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

How to fix C3711 code ?

See C3711 repair manual
  • Camshaft advance mechanism binding (VCT unit)
  • Faulty Fuel injector
  • Incorrect fuel pressure
  • Engine Control Module (ECM)

BMW Cars that meet C3711 error