B0792 Mercedes Sl Class OBD Code

OBD/2 B0792 error code description and symptoms.

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

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.

B0792 Mercedes Sl Class Error Code Repair Process :

If your vehicle failed a B0792 test and the B0792 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 speed control command switch out of range low 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 speed control command switch out of range low: 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.

Common Causes of Mercedes Sl Class B0792 OBD2 Code

A common cause of code B0792 is the failure of Speed Control Command Switch Out of Range Low, but there are several other possible causes as well, such as ;

Exhaust tube
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Erratic camshaft position due to low oil pressure
Faulty oil control valve (OCV)

B0792 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

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

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B0792 Mercedes Sl Class OBD Code

B0792 Mercedes Sl Class Error Code Repair Process :

Common Causes of Mercedes Sl Class B0792 OBD2 Code

B0792 code for other Mercedes cars