U3328 Trouble Code

View U3328 obd/2 error code description and symptoms.

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.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 40-75

U3328 Error Code Repair Process :

If your water in fuel indicator 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 U3328 and engine control unit are in charge of monitoring a bunch of different water in fuel indicator circuit malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

U3328 is a kind of Network Trouble Code U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

Common Causes of U3328

A common cause of code U3328 is the failure of Water In Fuel Indicator Circuit Malfunction, but there are several other possible causes as well, such as ;

• Exhaust tube
• Continuous oil flow to the VCT piston chamber
• Faulty TCM or TCM programming
• Variable Camshaft Timing (VCT) position circuit is open or shorted

U3328 code for all cars

You can view according U3328 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+U3328 Lada Natacha

+U3328 Goggomobil Regent

+U3328 Mercedes Cl 600

+U3328 Buick 90

+U3328 Chevrolet Evanda

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