HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.
Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code P1474, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code P1474 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.
Difficulty Level (Soso)
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Repair Time (50 Min.)
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| Cost Prediction : $ 40-75 |
If your p1474 low fan control primary circuit malfunction check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P1474 and engine control unit are in charge of monitoring a bunch of different p1474 low fan control primary circuit malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.
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P1474 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. |
You can view according P1474 DTC for your car model. We selected several models to see obd2 solutions click and view it.
| +P1474 Opel Insignia Ii | +P1474 Vauxhall Vectra | +P1474 Mazda Brown | +P1474 Nissan Fusion | +P1474 Daewoo Winstorm |
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