Question about 2002 Volkswagen Passat

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When resetting abs ecu it switches off and will not reset itself, abs and esp warning lights stay on. recently had new discs and pads on all 4 wheels

Had problem with rear wheel drivers side, rear pad disintegrated the disc, had pads and disc replaced, then wouldn't bleed, abs ecu was removed and another was tried but made no differences. got brakes bled and put original abs ecu back but warning lights stay on. had diagnostics checked, few errors shown and fixed, tried to reset and each time it was tried the abs ecu switched off and would not reset and continues to show warning lights, as soon as the car speeds over 20kph gives warning sound

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Brakes

I have experienced problems with my Passat, when working on the brakes it is very easy to hit the sensors, these are a push fit, if they are not fully home the light comes on. simply push the sensors until they click home.
On a side issue I have problems with the traction control affecting acceleration in a corner, I traced this to a garage fiting a 60% tyre instead of a 65% tyre
Hope this helps

Posted on Jul 27, 2008

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SOURCE: brake warning light on,beeper sounds when car is driving

Sounds like the sound when you leave the handbrake on. The same light as the low brake oil level will come on with the handbrake. And the warning sound coming from the cluster will come on if you leave the handbrake on and start driving to warn you that you left it on. Guessing your handbrake is not on and that your brake level sensor on the master cylinder is good (on the cap) check your handbrake switch and the wires there. You can unplug it and try it like that or you might have to bypass the 2 wires in the connector together. I can't remeber if with the handbrake on if it closes the circuit or the opposite. Once you have the connector in your hand you can unplug it with the car running and see if the light goes off. If not you can jump the 2 wires and see then. Or just check the switch isn't staying stuck. You'll see more once the handrake console is off. Just look around the mechanism of the handbrake and you'll find the switch.

Posted on Nov 20, 2008

  • 4793 Answers

SOURCE: I have a VW touran

nope,it has to go back to a dealer(the computer is too expensive for a diy mech)they will reset it IF GENUINE parts have been used, as sensors are inbuilt into the pads.

Posted on Jan 25, 2011

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1 Answer

I have a 2000 Mercedes E430 base sedan. Last week I replaced the brake light switch because it was out and it solved the problem to the point that I can now put my car into gear and drive it, however, as...


Brake light switch problem may cause the ESP / BAS lights to illuminate.

Common symptoms of a bad
Mercedes brake light switch.
  • Car stuck in Park.
  • ABS ESP ETS lights come on.
  • Can not move the shifter from Park to Drive.
  • Brakes Defective Warning on Instrument Cluster
  • Car won't shift gears. Stuck in 2nd gear, limp mode.
  • Brake lights don't work. (Brake light switch can still be defective even if the brake lights work. Checking the brake light operation is not a good test.)
  • ESP, BAS, ABS lights turn on. Car won't shift properly. Stuck in gear.


TEST: To test your new brake light switch: Turn you car off to reset the ABS light. apply the parking brake. and start the car in neutral or park without using the brake. if the problem is the brake light switch... the light will only come on when you press the brake pedal.

If you replaced the brake light switch and the light is still on you should check a few other things such as:

  • Fuses and Relays
  • ABS pump
  • ABS wheel speed sensor
  • Brake Fluid Level
  • Get an advanced scanner to read trouble codes.


NOTE: ** You may need a MBZ scan tool to reset the error code which was stored in the ECU because of the bad brake light switch.

Feb 25, 2015 | 2000 Mercedes-Benz E-Class

1 Answer

My esp light has come on and it won't turn off on a Audi a3 2006


TDISLine 1874 solutions Jun 16, 2012
The ESP system means the Electronic Stability Program. If the ESP lights on the dashboard permanently the ESP system is faulty.
You should 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.: brake pedal switch, 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.

Check & replace if necessary the brake pedal switch placed above pedals on the support.

If the problem still occurs you should access the ABS & ESP ECU (Electronic Control Unit) using diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC (Diagnostic Trouble Codes) memored.
Then you will be able to replace bad piece(s) and fix the problem by erasing all DTC stocked inside ABS & ESP ECU, and reset it.

Jan 09, 2013 | Cars & Trucks

1 Answer

The ESP light on my AudiA3 stays on


The ESP system means the Electronic Stability Program. If the ESP lights on the dashboard permanently the ESP system is faulty.
You should 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.: brake pedal switch, 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.

Check & replace if necessary the brake pedal switch placed above pedals on the support.

If the problem still occurs you should access the ABS & ESP ECU (Electronic Control Unit) using diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC (Diagnostic Trouble Codes) memored.
Then you will be able to replace bad piece(s) and fix the problem by erasing all DTC stocked inside ABS & ESP ECU, and reset it.


tdisline_516.jpg

Jun 16, 2012 | 2006 Audi A3

1 Answer

What does ESP light mean on a cls 500 Mercedes Benz


The ESP system means the Electronic Stability Program. If the ESP lights on the dashboard permanently the ESP system is faulty.
You should 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.: brake pedal switch, 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.

Check & replace if necessary the brake pedal switch placed above pedals on the support.

If the problem still occurs you should access the ABS & ESP ECU (Electronic Control Unit) using diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC (Diagnostic Trouble Codes) memored.
Then you will be able to replace bad piece(s) and fix the problem by erasing all DTC stocked inside ABS & ESP ECU, and reset it.


tdisline_516.jpg

Feb 10, 2012 | 2006 Mercedes-Benz Mercedes Benz CLS500

1 Answer

How can I fix my ESP problem on my passat 2002 , when ESP comes on the car struggle till 2400 rev then it s ok?? Help


Check & replace if necessary the brake pedal switch placed above pedals on the support.
If the problem still occurs you should access the ABS & ESP ECU (Electronic Control Unit) using diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC (Diagnostic Trouble Codes) memored.
Then you will be able to replace bad piece(s) and fix the problem by erasing all DTC stocked inside ABS & ESP ECU, and reset it.


tdisline_516.jpg

The ESP system means the Electronic Stability Program. If the ESP lights on the dashboard permanently the ESP system is faulty.
You should 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.: brake pedal switch, 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.
Good Luck!

Oct 26, 2011 | 2002 Volkswagen Passat

1 Answer

I have an Audi a4 2001 1.8t and the asr light its flashing, thanks for your help my name is Marcos Aguilar


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.
tdisline_338.jpg


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.


Check & replace if necessary the brake pedal switch placed above pedals on the support.
If the problem still occurs you might access the ABS ECU (Electronic Control Unit) using diagnostic equipment (VAS, VAG-Com, or similar) connected to the data link connector of the car, in order to pull out all DTC's (Diagnostic Trouble Code) memored. Then you will be able to replace bad piece(s) and fix the problem by erasing all DTC's stocked inside ABS ECU & reset it.


Good Luck!

Sep 07, 2011 | 2001 Audi A4

1 Answer

Yellow warning indicator lamp of a tringle with an excalmation point in the center and a counterclockwise arrow arround the triangle ---what does it mean?


Check & replace if necessary the brake pedal switch placed above pedals on the support.
If the problem still occurs you might access the ABS & ESP ECU (Electronic Control Unit) using diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC (Diagnostic Trouble Codes) memored.
Then you will be able to replace bad piece(s) and fix the problem by erasing all DTC stocked inside ABS ECU & reset it.
tdisline_516.jpg
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.: brake pedal switch, 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.
I'm convinced that your brake pedal switch is faulty because the glow plug warning sign went ON after ESP warning light. Just replace the brake pedal switch, see if rear stop lamps light when press the brake pedal, and test the car on the road.
Good Luck!

Sep 06, 2011 | 2005 Audi A4

1 Answer

ABS light came on with a triangle and a circle around it with an arrow on the end. what does that mean?


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.

tdisline_644.jpg


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.

Jun 08, 2011 | 2004 Volkswagen Passat

1 Answer

The esp light went on first and then the glow plug warning sign on my 2005 TDi passat. said workshop assistance, what is the problem


Check & replace if necessary the brake pedal switch placed above pedals on the support.
If the problem still occurs you might access the ABS & ESP ECU (Electronic Control Unit) using diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC (Diagnostic Trouble Codes) memored.
Then you will be able to replace bad piece(s) and fix the problem by erasing all DTC stocked inside ABS ECU & reset it.
tdisline_516.jpg
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.: brake pedal switch, 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.
I'm convinced that your brake pedal switch is faulty because the glow plug warning sign went ON after ESP warning light. Just replace the brake pedal switch, see if rear stop lamps light when press the brake pedal, and test the car on the road.
Good Luck!

May 11, 2011 | 2003 Volkswagen Passat

1 Answer

ABS and ESP lights on all the time. I bought Audi A4 B6 2004 only two months ago. It started in heavy rain.


The ESP system means the Electronic Stability Program. If the ESP & ABS lights on the dashboard permanently the ESP & ABS system is faulty. You must access the ESP & ABS 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 (placed in dashboard, under a plastic cover above the ashtray). 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 & ABS ECU, in other words reset the ESP & ABS system and turn off the warning lamp on dashboard.

Dec 31, 2010 | 2004 Audi A4

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