Hello everyone,

so this happens at random when i drive in a straight line or when i make a U-turn the DSC light starts flashing…. The suspension becomes super hard and if im driving at high speeds the gas pedal doesn’t work?

its like the gas pedal is dead no response at all no engine rev this happens usually when i drive at 110kph or 120 kph

 

Sounds like one of the wheel speed sensors is not getting consistent signals to the ECM. Could be the tone wheel corroded/broken/dirty or connector issue at sensor or a sensor going out. DSC thinks a wheel is sliding due to incorrect signal and restricted performance kicks in and takes over the accelerator pedal. With it being intermittent I would put bad connector/wiring at the top of the list.

 

Thx for the info 👍🏻

Are the wheel speed sensors and ABS sensors the same or different?

also beside checking the connectors to the sensor.. is there a way to check the sensor it self to tell which one is bad?

thx again

 

They are the same sensors. I believe the sensors are Hall Effect type. Other than checking for continuity I do not know other tests. Theoretically you should be able to wave a steel rod in front of them and see a small voltage produced if the connector is hooked up to the sensor connector with a mv voltmeter. SDD can look at them and see if they are working. It should also show codes for failure or pending codes. Since you seem to have an intermittent issue you would not necessarily see any fault during a manual test.

 

Hi Basil94,
If you can scan for codes, it may tell you which wheel sensor is at fault. There are small cheap bluetooth or wifi OBDII readers that interface to a mobile phone, that you can leave running while you are driving. The signal from the wheel sensor is used for both DSC and ABS. Otherwise inspection of the wiring from the body to the wheel sensor along the suspension is the best course. A piece of road debris or a rock can fly up and damage the cable. You don't indicate where you are living, but cold and wet locations sometimes give more problems than hot and dry ones, especially with external suspension parts.

Pete M