C1709 Mercedes-benz F Class OBD Code

OBD/2 C1709 error code description and symptoms.

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.

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.

C1709 Mercedes-benz F Class Error Code Repair Process :

The rule of C1709 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of c1709 right rear center sensor circuit failure. Likewise, overriding the OBD C1709 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Common Causes of Mercedes-benz F Class C1709 OBD2 Code

A common cause of code C1709 is the failure of C1709 Right Rear Center Sensor Circuit Failure, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Faulty Intake Valve Timing Control Solenoid Valve
Insufficient cylinders compression
Camshaft Position Sensor harness is open or shorted

C1709 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.

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

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C1709 Mercedes-benz F Class OBD Code

C1709 Mercedes-benz F Class Error Code Repair Process :

Common Causes of Mercedes-benz F Class C1709 OBD2 Code

C1709 code for other Mercedes-benz cars