C2989 Daihatsu Micros OBD Code

OBD/2 C2989 error code description and symptoms.

The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.

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.

C2989 Daihatsu Micros Error Code Repair Process :

The rule of C2989 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 seat driver rearward switch circuit failure. Likewise, overriding the OBD C2989 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 Daihatsu Micros C2989 OBD2 Code

A common cause of code C2989 is the failure of Seat Driver Rearward Switch Circuit Failure, but there are several other possible causes as well, such as ;

Exhaust gas leaks
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
Open circuits caused by corrosion of electrical connectors.

C2989 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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C2989 Daihatsu Micros OBD Code

C2989 Daihatsu Micros Error Code Repair Process :

Common Causes of Daihatsu Micros C2989 OBD2 Code

C2989 code for other Daihatsu cars