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Re: Problem with traction control
I'd take it to a BMW dealer as its still covered under warranty and the repair will be free. they may even give you a loaner while they fix it so you don't have to sit at the dealership. mention it when you call them especially if its from the dealership you purchased it from.
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Hi the DTC is dynamic traction control. If the light is on constantly you need to get the car diagnosed. It could be a wheel sensor. If it only flashes occasionally it indicates wheel spin. Hope this helps. Jim...
ASR - Acceleration Skid Control system. When ASR warning light blinking the system is activated itself for car acceleration skid control. For today's typical high-torque engines, traction control (ASR) can increase both comfort and safety, particularly when driving on slippery roads or surfaces offering differing levels of grip. Traction control permits smooth starting and acceleration through the full speed range without wheel-spin or fishtailing.
ASR only operates in conjunction with the electronic accelerator (E-gas) and uses components of the anti-lock braking system (ABS). If one wheel suddenly begins to rotate faster than the others (slip), ASR intervenes in the engine management system and reduces power until the wheel stops spinning. The ASR system represents a further contribution to active safety as it maintains vehicle traction and directional stability throughout the acceleration phase at any speed. In addition, it reduces tyre wear. Activation of the ASR system is indicated by a flashing indicator lamp in the instrument cluster. The ESP system means the Electronic Stability Program. If the ESP lights on the dashboard permanently the ESP system is faulty. You must access the ESP Electronic Control Unit (ECU) memory for pull out all DTC (Diagnostic Trouble Codes), using diagnostic equipment connected to the data link connector of the car. Then you will be full informed about bad pieces (e.g.: front right wheel abs sensor interrupted, ...). After bad pieces replacement you will be able to erase all faults memored by ESP ECU, in other words reset the ESP system and turn off the warning lamp on dashboard.
the (!) symbol is for the traction control. the abs light means you have a code stored in the abs computer. the abs is what partially controls the traction control. basically go to the dealer or repair shop and have the code pulled and diagnosed.
On a 1998 3 series (E36) BMW, this indicator lamp is for the ASC+T = automatic stability control plus traction. It should go shortly after the ignition is switched on implying that the system is OK. If the indicator lamp fails to go out after the engine is started, or comes on in the course of normal vehicle operation it means that the system has malfunctioned. The vehicle remains operational, but without ASC+T. You a have an 2001 3 series (E46), but I suspect the indicator lamp means the same as the E36 3 series. Look in owners manual under "indicator lamps"
That light is the traction control device that's been turned "off". It also comes on if the traction control is engaged. On my it can be turned on and off by the switch next to the drivers window toggle. could it be you hit this switch? If it stays on in spite of the switch, could be a wheel sensor. Doesn't hurt performance (could say it helps performance if it's off) but tire life and driving in rain and snow make it useful to have it functioning.