P07C2 Vauxhall Corsa OBD Code

OBD/2 P07C2 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.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

P07C2 Vauxhall Corsa Error Code Repair Process :

The rule of P07C2 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 wiper hi/low speed relay coil circuit open. Likewise, overriding the OBD P07C2 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 Vauxhall Corsa P07C2 OBD2 Code

A common cause of code P07C2 is the failure of Wiper Hi/Low Speed Relay Coil Circuit Open, but there are several other possible causes as well, such as ;

Exhaust tube
EVAP canister or fuel tank leaks
Intake Valve Timing Control Solenoid Valve circuit poor electrical connection
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection

P07C2 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

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

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P07C2 Vauxhall Corsa OBD Code

P07C2 Vauxhall Corsa Error Code Repair Process :

Common Causes of Vauxhall Corsa P07C2 OBD2 Code

P07C2 code for other Vauxhall cars