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My 2001 Passat's DRL(Day time running lights) and my front orange side marker along with my rear red side marker is not currently working but only on my Driver side.

My DRL lights are located in the headlight, my front side marker is located near the headlight and the rear sidemarker is located near the brake lights. The passenger side's DRL and side markers work perfectly fine, it is only the left side.

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Check it out. It might have bad connection or burn out.
Good luck


Posted on May 15, 2017


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Posted on Jan 02, 2017


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1 Answer

When pressing the lock or unlock on the keyless entry are the front side marker lights suppose to flash along with the mirror and rear lights.

go into the radio and change it there. If they work when it is running then the radio
is where you look

Apr 13, 2015 | Cars & Trucks

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Drl module

This might not be much of an answer,, But why do you think your DRL is ,gone,,, Do you have HIDS? led tail lights or after market bulbs anywhere in you running lights system, such as turn signals front or rear marker lights corner lights etc, if you do have Hids or leds,, and you didn't put in resistors in line with the lower wattage led bulbs you car can throw the drl light, like turn it on., and with daytime running lights you will short out the hids, since they are not meant to run at say 4 volts like the factory non hid ones that are dim when the running lights are on.... I don't know if my answer will help you but I hope it does.. good luck

Mar 24, 2014 | 2002 Honda Civic

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On my 1999 Olds Intrigue I have never had to turn on my lights at night. All night time driving lights come on automatically until recently. Now only the headlights come on.To get the dash lights,tail...

Without testing i would say you have DRL control module problem , But that would just be a guess .
In the night mode, the DRL ambient light sensor senses darkness. Then, the DRL module turns off the front turn lamps and turns on the headlamps through circuit 10. The DRL module also turns on the park, side marker, license, and tail lamps. If the engine should stall with the DRL control module in the night mode, the DRL control module will turn off the headlamps and leave the side marker, park, license and tail lamps on while the engine is being cranked. The headlamp switch operates as usual.
The Daytime Running Lamps (DRL) control module is designed to automatically operate exterior lights depending on outside light conditions. The DRL control module operates in two modes, the day mode and the night mode. In the day mode, the DRL ambient light sensor senses daylight. Then, the DRL control module turns on the front turn lamps (non-flashing) if under the following conditions:
• The ignition switch is on.
• The headlamps switch is in the OFF position.
• The park brake is released.

The brightness of the Vacuum Fluorescent (VF) displays is controlled by two signals: the park lamps on signal (circuit 230) and the VF dimming signal (circuit 308). With the park lamps on, the VF display of the radio, heater, A/C control (with RPO CJ2) and the instrument cluster will dim for nighttime viewing. When the park lamps on signal is not present (park lamps off), the VF displays are at high brightness for daytime viewing. When the park lamps are on, the I/P lamp dimmer switch provides a signal (VF Dimming Signal circuit 308) which controls the brightness of the VF displays when the I/P lamp dimmer switch is adjusted.

Do the Daytime running light's work ?

Nov 18, 2017 | Cars & Trucks

1 Answer

Multifunction Switch Short in Pontiac Grand Prix

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Electric Testing Techniques You Need to Know

How to read an electrical diagram Lesson 1 find wiring diagrams here !

The day time running lights module , ambient light sensor , would be a good guess but that's all it would be .Do you know what these are ? Really don't think there is a short in the multifunction switch . Maybe it's time to take to a qualified repair shop , dealer ! Cadillac or Buick .

Daytime Running Lamps (DRL)
The Daytime Running Lamps (DRL) control module is designed to automatically operate the exterior lights depending on the outside light conditions.
The DRL control module operates in 2 modes:
• The day mode
In the day mode, the DRL control module turns ON the low beam headlamps at a reduced intensity when the DRL ambient light sensor detects daylight under the following conditions:
- The ignition switch is in the RUN position.
- The headlamps are OFF.
- The park brake is OFF.
• The low light mode
In the low light mode, the DRL ambient light sensor detects darkness, turning ON the low beam headlamps to full intensity through CKT 10.
Additionally, the DRL ambient light sensor turns ON the following lamps through CKT 9:
- The park lamps
- The side marker lamps
- The license lamps
- The tail lamps


Mar 25, 2017 | 1998 Pontiac Grand Prix

1 Answer


front side marker lights are separate from the day time running lights which are run thru the front turn signal lamps.
it is possible both bulbs have burnt out.

Apr 14, 2013 | 2006 Toyota Tacoma PreRunner

1 Answer

Why is my DRL light on?

DRL is the Day time Running Lights......It will explain how it works in the owner's manual

Jan 27, 2011 | 2006 Volkswagen Passat

1 Answer

Need colour codes for radio

this is what I show for Passat.
Car Radio Constant 12V+ Wire: Red/White
Car Radio Ignition Switched 12V+ Wire: Orange
Car Radio Ground Wire: Brown
Car Stereo Illumination Wire: Gray/Blue
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amplifier Trigger Wire: N/A
Front Speakers Size: 6 1/2′
Front Speakers Location: Doors
Left Front Speaker Wire (+): Blue/Black
Left Front Speaker Wire (-): Orange/Black
Right Front Speaker Wire (+): Red/White
Right Front Speaker Wire (-): Orange/White
Rear Speakers Size: 6 1/2′
Rear Speakers Location: Rear Door
Left Rear Speaker Wire (+): Red/Light Green
Left Rear Speaker Wire (-): Orange/Black
Right Rear Speaker Wire (+): Blue/Light Green
Right Rear Speaker Wire (-): Orange/Red

Aug 13, 2009 | 1993 Volkswagen Passat

1 Answer

2004 VW Passat front marker light bulb

Push in on the rear side of the light and slide the whole assembly to the rear.

it is hard to do.

Jun 07, 2009 | 2004 Volkswagen Passat

2 Answers

Headlight issue

This may be either a defective DRL module or a headlight ground fault.

Oct 20, 2008 | 2001 Chrysler Town & Country

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