P0188 Suzuki Engine Fuel Temperature Sensor B Circuit High Input

P0188 Suzuki Engine Fuel Temperature Sensor B Circuit High Input

Possible causes
– Faulty Engine Fuel Temperature Sensor
– Engine Fuel Temperature Sensor harness is open or shorted
– Engine Fuel Temperature Sensor circuit poor electrical connection
What about the obd code?
An excessively high voltage is sent to Powertrain Control Module (PCM) by the Engine Fuel Temperature (EFT) Sensor.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0188 Suzuki Description

The comprehensive component monitor (CCM) monitors the Engine Fuel Temperature (EFT) Sensor circuit to the Powertrain Control Module (PCM) for low and high voltage. If voltage were to fall below or exceed a calibrated limit and amount of time during testing, the test will fail. Open or short in harness. Low ambient temperature operation.

Suzuki Vehicle:Suzuki XL7,Suzuki Kizashi,Suzuki Escudo,Suzuki SX4,Suzuki Wagon R,Suzuki Alto,Suzuki Cervo,Suzuki Cappuccino,Suzuki Fronte,Suzuki Grand Vitara,Suzuki Ignis,

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