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Customer Questions and Answers for Turbidity Sensor by Bosch

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Manufacturer Part
4.89 (64)
By: Bosch
Part Number: OEM13448973
Manufacturer Part Number: 00611323

The Turbidity Sensor is an OEM part for Bosch dishwashers. It is a component located inside the dishwasher that plays a key role in monitoring water quality during each wash cycle. The turbidity sensor detects small food particles and residue in the water, relaying this information to adjust water temperatures, spray pressures, and cycle times accordingly to achieve optimal cleaning results.

Causes of failure could be normal wear and tear over time, mineral buildup affecting the sensor's ability to read water quality accurately, or damage from electrical faults.

Symptoms of a bad turbidity sensor include:

  • Inconsistent or inadequate cleaning performance
  • Extended cycle times
  • Error codes displayed related to water issues

This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.

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Questions & Answers

For Bosch Turbidity Sensor (Part Number: OEM13448973)

Grv for Model Number Bosch dishwasher model SHPM78W55N/01

I have a Bosch dishwasher model SHPM78W55N/01. I just replace the circulation pump due to the water not heating. Now I keep getting a E06 error code. When I turn on the dishwasher to prepare to run a cycle after about 5 seconds the E06 error code shows up and the dishwasher will not run. I changed the door switch out thinking that may have been the issue but no change. I have read that the E06 error code can mean either a faulty door switch or the turbidity sensor. But from what I understand the turbidity sensor will not keep the dishwasher from starting it will make it run longer that it should. Intermittently in the past when my wife would go to start a load of dishes she would start the cycle and shut the door and the dishwasher would turn off. Sometimes she would have to try to start the dishwasher two or three times before it would run. Would this all point to the control board or should I try changing out the turbidity sensor?

1 Answer

GRV,
If the control board on your dishwasher isn’t recognizing that the door lock has engaged correctly, it may cause the wash cycle to not start.
If you are currently experiencing this problem, you may suddenly be greeted with an unexpected E06 error code that is flashing at you on the display panel.
Assure the door can close correctly against the latch and that the latch switches are making. Also, make sure all the connections are good.

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Jacob for Model Number SHS5AVF2UC/22

The water is not draining out of the unit and the sanitation light blinks. After I cleaned out the bottom filter, I also verified the entire passage for the drain tube was clear by back flushing. While the tube was disconnected, I also verified proper operation of the drain hose check valve. All of this was okay, so I replaced the drain pump, but that was not the issue. My question is could a faulty turbidity sensor cause this? If not, is the only thing left the control board?

1 Answer

Jacob,

The turbidity sensor will cause a no-drain issue. You will want to test to see if there is 120 Vac getting to the drain pump when the dishwasher should be draining. If there is not 120 Vac then check the wiring between the pump and the control board and if the wiring is good then replace the control board.

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Kirk for Model Number SHP65T55UC/07

I purchased this dishwasher used and I've had to replace a few parts just to get it to power up. I've replace the power switch, control board and power module. Once those parts were replaced, the dishwasher would power up, but I would get an E06 error code. I replaced the door lock assembly and I still get the E06 error code. I see that this error code might also mean the Aqua Sensor isn't functioning. Could this be the case? Is there a way to check the various error codes so I don't have to randomly purchase additional Bosch parts? Thank you for your expertise!

1 Answer

Kirk,
On the bosch dishwasher, the e06 error refers to the board not recognizing that the door is closed. I don't see any reference to the aqua sensor on this error.

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1 Answer

Roberto,

If the turbidity sensor has been replaced then check the wiring between the turbidity sensor and the control board. If they check ok then the issue will be a faulty control board.

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