B1218 Trouble Code

View B1218 obd/2 error code description and symptoms. B1218 engine photo

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.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

B1218 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B1218 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 b1218 horn relay coil circuit short to vbatt 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 b1218 horn relay coil circuit short to vbatt.

B1218 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.

Common Causes of B1218

A common cause of code B1218 is the failure of B1218 Horn Relay Coil Circuit Short to Vbatt, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Faulty Crankshaft Position Sensor (POS)
Fuel injector leaks
Oil flow restriction in the oil passages or the VCT valve body

B1218 code for all cars

You can view according B1218 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B1218 Ford Extreme

+B1218 Chevrolet Orlando

+B1218 Alfa Romeo 6c

+B1218 Ford F150

+B1218 Ford Mondeo

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

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