Yaw rate sensor faulty

My car engages the brakes suddenly. This happens shortly after the BAS/ESP light comes on. In addition, the yellow warning triangle flashes. This started happening after new tires, rotors, and front brake pads were installed. A diagnostic determined that the yaw rate sensor is faulty.
Experienced mechanics share their insights in answering this question :
Hi. Other ML320 owners have reported similar symptoms. Although it is a rare occurrence, it is something that should be repaired. Replacing the yaw sensor does fix the issue, so it is most likely the culprit, especially if there is a code for it. After replacing the sensor, the computer needs to be reprogrammed, so have a certified technician assist you in replacing the yaw rate sensor.

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The yaw-rate sensor captures all movement of the vehicle around its vertical axis, and the information that it relays to the control unit is combined with that from the Lateral-acceleration sensor which measures the g-force of a turn.
The yaw rate sensor is located below the driver side seat and is used to measure the yaw, lateral and longitudinal acceleration of the rotation around a vertical axis. This sensor is used to supply information to the Electronic Stability Program and has been known to fail in the past.
The yaw rate sensor is typically located under the driver or passenger seat, mounted on the level floorboard in order to access the vehicle`s center of gravity. After installation, a reset/recalibration procedure is generally required.
ESP on a car stands for Electronic Stability Programme and in broad terms (we`ll get to the detail in a minute) it uses sensors to decide whether the car`s direction of travel corresponds with your steering inputs and, if it doesn`t, automatically brings it back under your control in a fraction of a second.
YAW Sensors

If you have a vehicles making a 90º turn in two seconds, it would have a yaw rate of 45º. The Yaw rate sensor and accelerometers will often be mounted in a sensor cluster. To test a yaw rate sensor, rotate the unit so it is on a corner. The yaw sensor should react.

The yaw-rate sensor determines how far off-axis a car is “tilting” in a turn. This information is then fed into a microcomputer that correlates the data with wheel speed, steering angle and accelerator position, and, if the system senses too much yaw, the appropriate braking force is applied.
The yaw rate sensor is a key component in a vehicle`s stability control or electronic stability control system designed to provide motorists with increased safety, security, and control even in the most difficult driving conditions.
On all car models, the ESP G419 sensor unit is installed under the left seat.
Look at what goes into the ESC. There are speed sensors located under each wheel of your car. These ensure that your vehicle can slow forward momentum.
An increasing number of motor vehicles are being equipped with modern safety systems such as antilock braking systems (ABS), antislip regulation (ASR) and electronic stability programs (ESP). ABS and ASR prevent the wheels from locking and slipping.
Diagnostic codes C1282 and/or C1283 (for the yaw sensor) stored in the ESC Control Module.
ABS and ASR prevent the wheels from locking and slipping. ESP stabilizes the vehicle in critical situations by applying braking forces to the appropriate wheels.
The Electronic Stability Programme (ESP) has the task of preventing lateral swerving when cornering or when faced with critical situations, e.g. during extreme driving manoeuvres. The system specifically intervenes in the braking system and in the engine and transmission management and keeps the vehicle on track.
What is the ESP Warning Light? The electronic stability programme warning light will usually show when your car loses traction if you are driving over a slippery surface. It will usually flash while the system is activated and then switch off when traction is regained and your car goes back to normal.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Can i use gm part 55591002 for both sensors?
ANSWER : Hi there. Sometimes the material of the contact on a sensor can produce a false reading or not correctly connect to the electrical harness; so if your trying to test the sensor to see if it works, and the OEM sensor is made of a different component or designed for a different use, it’s probably not best to try that. I’m not sure if it would negatively impact the ECU, but I have seen stranger things cause communication errors.

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check engine light O2 sensor already replaced same codes still popping up after replacing old O2 sensor
ANSWER : Hi there. What you received from the parts store was a code retrieval, not a diagnostic. The codes are set when a fault is detected against normal operating parameter. The computer does not know what caused the fault, only that the fault meets the criteria for this code to set. There could be a problem in the wire harness, converter, or the ECM. The code and data are needed to properly assess the direction that a diagnosis needs. I strongly suggest having a qualified technician perform an inspection to avoid replacing unnecessary parts. Your Mechanic has several available technicians that can assist you with a check engine light inspection.

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Knock Sensor + Wiring Harness installation cost? Will YourMechanic install parts if I provide them?
ANSWER : Hello. Yes we will install parts that are provided by you but doing so will void our warranty. You will also be charged for the technicians time if the part you provide does not fit properly. After we install the parts if the condition returns we will come back out and inspect the vehicle. If the issue is not related to the service we performed you will be charged an inspection fee but if it is related we would turn that over to our warranty claims department. The harness is something that our parts department can obtain for you when you’re ready to schedule your next appointment. I will ask our customer service department to send you a quote for the knock sensor installation and they should be able to get a price for that harness too. Thank you for choosing YourMechanic!

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Where is the yaw rate sensor located?
ANSWER : Hello, thanks for writing in about your Toyota Sequoia. The yaw sensor is located below the center console. It’s mounted to the floor at the rear of the console. The console needs to be removed in order to replace it.

If you need some assistance with this, consider YourMechanic, as one of our mobile technicians can come to your home or office to replace your yaw rate sensor for you.

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Hi there! I have a 2003 Camry v6 3.0. I have a C1336 code that says Zero point calibration of yaw rate sensor undone. I’ve tried r
ANSWER : Hi there. You might want to watch this video on completing the calibration. It’s a manual test that is related to Toyota vehicles.

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I have a bad oxygen sensor, bad power steering sensor, and a bad cam shaft sensor? Should I replace any of them?
ANSWER : When you say you have three bad sensors I can only assume you have had them tested and the end result is three bad sensors. If they tested bad then they should be replaced. The power steering sensor senses the load of the steering on the engine so it can raise the idle during parking maneuvers. The O2 sensor is used for fuel control and it may effect engine power and fuel mileage. The camshaft sensor cay cause no starts, engine running problems and all three will turn on the check engine light.

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Yaw rate sensor faulty
ANSWER : Hi. Other ML320 owners have reported similar symptoms. Although it is a rare occurrence, it is something that should be repaired. Replacing the yaw sensor does fix the issue, so it is most likely the culprit, especially if there is a code for it. After replacing the sensor, the computer needs to be reprogrammed, so have a certified technician assist you in replacing the yaw rate sensor.

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I did replace the heater core and two sensor the crank sensor and camshaft sensor it didn’t work can it be the computer
ANSWER : If the check engine light is on, what kind of codes is the system detecting? Do you have spark at the plugs? If you have spark, does spritzing some starter fluid give you a momentary startup? If so, there is a fuel issue. More symptoms and information on the car’s behavior before and after the parts you replaced would be very helpful. At this point, I would recommend an inspection from YourMechanic.com to diagnose this car starting problem, get an accurate assessment of damage and cost estimate for repairs. YourMechanic.com can dispatch a mobile, professional mechanic to your location to help you get your car up and working again.

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