C2987 Honda Vamos OBD Code

OBD/2 C2987 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.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C2987, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C2987 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

C2987 Honda Vamos Error Code Repair Process :

If your vehicle failed a C2987 test and the C2987 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 seat driver forward switch circuit short to battery 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 seat driver forward switch circuit short to battery: 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 Honda Vamos C2987 OBD2 Code

A common cause of code C2987 is the failure of Seat Driver Forward Switch Circuit Short To Battery, but there are several other possible causes as well, such as ;

Exhaust tube
Faulty front heated oxygen sensor
Improper ignition timing
Damaged ECM

C2987 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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C2987 Honda Vamos OBD Code

C2987 Honda Vamos Error Code Repair Process :

Common Causes of Honda Vamos C2987 OBD2 Code

C2987 code for other Honda cars