B3547 Pontiac Grand Am OBD Code

OBD/2 B3547 error code description and symptoms.

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

B3547 Pontiac Grand Am Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B3547 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 idm_en circuit failure 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 idm_en circuit failure.

Common Causes of Pontiac Grand Am B3547 OBD2 Code

A common cause of code B3547 is the failure of IDM_EN Circuit Failure, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Faulty Mass Air Flow (MAF) sensor
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Continuous oil flow to the VCT piston chamber

B3547 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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B3547 Pontiac Grand Am OBD Code

B3547 Pontiac Grand Am Error Code Repair Process :

Common Causes of Pontiac Grand Am B3547 OBD2 Code

B3547 code for other Pontiac cars