P2173 Cadillac Sts OBD Code

OBD/2 P2173 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

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.

P2173 Cadillac Sts Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P2173 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If p2173 throttle actuator control system - high air flow detected so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the p2173 throttle actuator control system - high air flow detected.

Common Causes of Cadillac Sts P2173 OBD2 Code

A common cause of code P2173 is the failure of P2173 Throttle Actuator Control System - High Air Flow Detected, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty front heated oxygen sensor
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Fuel filler cap remains open or fails to close

P2173 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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P2173 Cadillac Sts OBD Code

P2173 Cadillac Sts Error Code Repair Process :

Common Causes of Cadillac Sts P2173 OBD2 Code

P2173 code for other Cadillac cars