en.openobd.org - volkswagen - passat (3c)
 


{Passat (3C)} The Passat (3C) uses 2 different communication possibilities for self diagnostics, on the one hand diagnstics via K-Line, but only for engine electronics and autom. trasmission.
Self diagnostics should be done with a CAN capable diagnostic tool.

The following control modules are build into the Passat (3C) (items shown in orange have been described in the text that follows.  Click on an orange item to go directly to that section):

- Airbag
- Autom. Transmission
- Brake Electronics
- CAN-Gateway
- Central Electronics
- Comfort System
- Door Electronics
- Engine Electronics
- Headlight Aim Control
- Heating/Air Conditioning
- Instrument Cluster
- Parking Aid
- Steering Aid
- Steering Wheel Electronics
- Telephone
- Trailer

 

{Central Electronics}

Control Module Coding

Select 09 (Central Electronics)
Long Coding -> Function 07

NOTE: This control module uses a long coding. Bytes 4 and 17-20 are only avialiable/interesting for cars from calendar week 45/2004 and above

Byte 00 Bit 0 Fog Lights installed (PR-8WB)
Byte 00 Bit 1 Xenon Headlights installed
Byte 00 Bit 2 Footwell Lights installed (PR-QQ4)
Byte 00 Bit 3 Daytime Running Lights (Scandinavia)
Byte 00 Bit 4 Daytime Running Lights (North America)
Byte 00 Bit 5 Assistance Driving Light & Leaving Home
Byte 00 Bit 6 Rain/Light Sensor installed
Byte 00 Bit 7 Coming-Home
Byte 01 Bit 0 Rear Seat Recognition installed
Byte 01 Bit 1 Headlight Washer installed (PR-8X1)
Byte 01 Bit 2 Electronic Fuelpump Relay installed (Gasonline only)
Byte 01 Bit 3 Rear Wiper installed
Byte 01 Bit 4 Heated Side Mirror installed
Byte 01 Bit 5 Rear Lid Remote Opening
Byte 01 Bit 6 Rear Lid Remote Opening - Release
Byte 01 Bit 7 Rear Wiper with Front Wiper continiously active
Byte 02 Bit 0 Rear Wiper with Front Wiper intermittent active
Byte 02 Bit 1 Comfort Turn Signals
Byte 02 Bit 2 Cold Lamp Diagnosis active
Byte 02 Bit 3 Load Management active
Byte 02 Bit 4 Coming-Home via
(1 = Potentiometer / 0 = Adaptation)
Byte 02 Bit 5 Rear Lid Remote Openening
(1 = Contact activated / 0 = Impuls activated)
Byte 02 Bit 6 Side Turn Signal Lights installed
Byte 02 Bit 7 Seat Heating installed (PR-4A3/4A4)
Byte 03 Bit 0 Realy Terminal 15 installed (with 2nd Battery)
Byte 03 Bit 1 Rear Fog Lights (1 = 1 active / 0 = 2 active)
Byte 03 Bit 2 Reverse Driving Lights (1 = 1 active / 0 = 2 active)
Byte 03 Bit 3 Reverse Driving Light off when Rear Lid open
Byte 03 Bit 4 Xenon-Shutter installed (Bi-Xenon)
Byte 03 Bit 5 Teardrop Wiping active
Byte 03 Bit 6 2nd Battery installed
Byte 03 Bit 7 Rear Lights (1 = Back Light/Brake Light dimmed / 0 = Back Light dimmed)
Byte 04 Bit 0 Auxiliary Heating installed
Byte 04 Bit 1 Auxiliary Heating installed
Byte 04 Bit 2 Trailer/Towing Device installed
Byte 04 Bit 3 Memory Seats installed
Byte 04 Bit 4 Activation of both Rear Fog Lights
Byte 04 Bit 5 Model (0 = Right Hand Drive / 1 = Left Hand Drive)
Byte 04 Bit 6 Rear Fog Lights deactivated
Byte 04 Bit 7 Climatronic installed
Byte 05 Headlight Washer Delay
(Standard: 1000 ms / Resolution: 50 ms)
Byte 06 Headlight Washer Activation Time
(Standard: 800 ms / Resolution: 50 ms)
Byte 07 Extra Function: Turn Signal Front left/right as Parking Light Front left/right (USA and Canada)
Byte 08 Extra Function: Low Beam left/right as Daytime Running Light - Scandinavia (Standard: 0%)
Byte 09 Extra Function: Brake Light left/right Rear as Parking Light (Standard: 18%)
Byte 10 Extra Function: Rear Fog Light left/right as Parking Light (Standard: 12%)
Byte 11 Extra Function: Front Parking Light left/right (Standard: 0%)
Byte 12 Extra Function: Rear Parking Light left/right (Standard: 0%)
Byte 13 Replacement Function: Front Side Turn Signal left/right as Front Parking Light (Standard: 0%)
Byte 14 Replacement Function: Front Parking Light left/right as Side Turn Signals left/right (Standard: 0%)
Byte 15 Replacement Function: Rear Light left/right as Side Turn Signals left/right (Standard: 0%)
Byte 16 Replacement Function: Front Fog Lights left/right as Low Beam Headlight left/right (Standard: 0%)
Byte 17 Bit 0 Ermergency Brake Flash Light active
Byte 17 Bit 1 Deactivation of Additional High Beam with Bi-Xenon
Byte 17 Bit 2 Heated Front Window installed
Byte 17 Bit 3 Diagnostics Terminal 50 active
Byte 17 Bit 4 Daylight Running Light with dimmed Low Beam
Byte 17 Bit 5 Front Fog Lights deactivated with High Beam
Byte 17 Bit 6 Parking Light Function inactive (USA/Canada)
Byte 17 Bit 7 reserved
Byte 18 Bit 0 Cold Diagnosis License Plate Lights active
Byte 18 Bit 1 Cold Diagnosis Brake Lights active
Byte 18 Bit 2 Cold Diagnosis Front Fog Lights active
Byte 18 Bit 3 Cold Diagnosis Rear Fog Lights active
Byte 18 Bit 4 Cold Diagnosis High Beam active
Byte 18 Bit 5 Cold Diagnosis Turn Signals active
Byte 18 Bit 6 Cold Diagnosis Back Light active
Byte 18 Bit 7 Cold Diagnosis Side Turn Signals active
Byte 19 Bit 0 Cold Diagnosis Low Beam active
Byte 19 Bit 1 Cold Diagnosis Front Parking Lights active
Byte 19 Bit 2 Cold Diagnosis Rear Parking Lights active
Byte 19 Bit 3 Diagnosis Rear Parking Lights active
Byte 19 Bit 4 unknown/unused
Byte 19 Bit 5 unknown/unused
Byte 19 Bit 6 unknown/unused
Byte 19 Bit 7 unknown/unused
Byte 20 unknown/unused

 

Control Module Adaptation

Select 09 (Central Electronics)
Adaptation -> Function 10

-> Channel 001 (Coming-Home Time)
Range: 0 - 120 Seconds

-> Channel 002 (Leaving-Home Time)
Range: 0 - 120 Seconds

 

{Comfort System}

Control Module Coding

Select 46 (Comfort System)
Long Coding -> Function 07

Byte 00 Bit 0 Selective Central Locking
Byte 00 Bit 1 Central Locking w/o Safe-Function
Byte 00 Bit 2 Central Locking w/o sensible
Byte 00 Bit 3 Auto-Unlock (unlocking after removing key from ignition)
Byte 00 Bit 4 Auto-Lock (autom. locking above 10 mph)
Byte 00 Bit 5 unknown
Byte 00 Bit 6 unknown
Byte 00 Bit 7 unknown
Byte 01 Bit 0 unknown
Byte 01 Bit 1 unknown
Byte 01 Bit 2 unknown
Byte 01 Bit 3 unknown
Byte 01 Bit 4 unknown
Byte 01 Bit 5 unknown
Byte 01 Bit 6 unknown
Byte 01 Bit 7 unknown
Byte 02 Bit 0 unknown
Byte 02 Bit 1 unknown
Byte 02 Bit 2 unknown
Byte 02 Bit 3 unknown
Byte 02 Bit 4 unknown
Byte 02 Bit 5 unknown
Byte 02 Bit 6 unknown
Byte 02 Bit 7 unknown
Byte 03 Bit 0 unknown
Byte 03 Bit 1 unknown
Byte 03 Bit 2 unknown
Byte 03 Bit 3 unknown
Byte 03 Bit 4 unknown
Byte 03 Bit 5 unknown
Byte 03 Bit 6 unknown
Byte 03 Bit 7 unknown
Byte 04 Bit 0 unknown
Byte 04 Bit 1 unknown
Byte 04 Bit 2 unknown
Byte 04 Bit 3 unknown

Byte 04 Bit 4

 unknown
Byte 04 Bit 5 unknown
Byte 04 Bit 6 unknown
Byte 04 Bit 7 unknown
Byte 05 Bit 0 unknown
Byte 05 Bit 1 unknown
Byte 05 Bit 2 unknown
Byte 05 Bit 3 unknown
Byte 05 Bit 4 unknown
Byte 05 Bit 5 unknown
Byte 05 Bit 6 unknown
Byte 05 Bit 7 unknown
Byte 06 Bit 0 Comfort function inactive
Byte 06 Bit 1 Comfort function power windows/sunroof via door lock drivers door inactive
Byte 06 Bit 2 Comfort function power windows/sunroof via door lock passengers door inactive
Byte 06 Bit 3 Comfort function power windows/sunroof via door lock rear lid inactive
Byte 06 Bit 4 Comfort function power windows/sunroof via power window switch in drivers door inactive
Byte 06 Bit 5 Comfort function power windows/sunroof via remote control inactive
Byte 06 Bit 6 Comfort function autom. closing
Byte 06 Bit 7 Power windows/sunroof disabled after door opening
Byte 07 Bit 0 Comfort opening power windows via door lock active
Byte 07 Bit 1 Comfort opening power windows via power window switch active
Byte 07 Bit 2 Comfort opening power windows via remote control active
Byte 07 Bit 3 Comfort closing power windows via door lock active
Byte 07 Bit 4 Comfort closing power windows via power window switch active
Byte 07 Bit 5 Comfort closing power windows via remote control active
Byte 07 Bit 6 Comfort function after authorized access only in a limited time
Byte 07 Bit 7 not relevant/unused
Byte 08 Bit 0 Comfort opening sunroof via door lock active
Byte 08 Bit 1 Comfort opening sunroof via power window switch active
Byte 08 Bit 2 Comfort opening sunroof via remote control active
Byte 08 Bit 3 Comfort closing sunroof via door lock active
Byte 08 Bit 4 Comfort closing sunroof via power window switch active
Byte 08 Bit 5 Comfort closing sunroof via remote control active
Byte 08 Bit 6 not relevant/unused
Byte 08 Bit 7 not relevant/unused
Byte 09 Bit 0 unknown
Byte 09 Bit 1 unknown
Byte 09 Bit 2 unknown
Byte 09 Bit 3 unknown
Byte 09 Bit 4 unknown
Byte 09 Bit 5 unknown
Byte 09 Bit 6 unknown
Byte 09 Bit 7 unknown
Byte 10 Bit 0 Unlocking Confirmation (Blink) via Door Locks
Byte 10 Bit 1 Unlocking Confirmation (Horn) via Door Locks
Byte 10 Bit 2 Unlocking Confirmation (Blink) via Remote Control
Byte 10 Bit 3 Unlocking Confirmation (Horn) via Remote Control
Byte 10 Bit 4 Unlocking Confirmation (Blink) via Kessy
Byte 10 Bit 5 Unlocking Confirmation (Horn) via Kessy
Byte 10 Bit 6 not relevant/unused
Byte 10 Bit 7 Adaptation of Horn Confirmation locked
Byte 11 Bit 0 Locking Confirmation (Blink) via Door Locks
Byte 11 Bit 1 Locking Confirmation (Horn) via Door Locks
Byte 11 Bit 2 Locking Confirmation (Blink) via Remote Control
Byte 11 Bit 3 Locking Confirmation (Horn) via Remote Control
Byte 11 Bit 4 Locking Confirmation (Blink) via Kessy
Byte 11 Bit 5 Locking Confirmation (Horn) via Kessy
Byte 11 Bit 6 not relevant/unused
Byte 11 Bit 7 not relevant/unused
Byte 12 Bit 0 unknown
Byte 12 Bit 1 unknown
Byte 12 Bit 2 unknown
Byte 12 Bit 3 unknown
Byte 12 Bit 4 unknown
Byte 12 Bit 5 unknown
Byte 12 Bit 6 unknown
Byte 12 Bit 7 unknown
Byte 13 Bit 0 Remote control inactive
Byte 13 Bit 1 Remote control with "Terminal 15 ON" inactive
Byte 13 Bit 2 Remote control range limitation active
Byte 13 Bit 3 Manual remote control lerning/unlearning active
Byte 13 Bit 4 not relevant/unused
Byte 13 Bit 5 not relevant/unused
Byte 13 Bit 6 Activation Blink Signal (Anti-Theft-Warning System)
Byte 13 Bit 7 Activation Horn Signal (Anti-Theft-Warning System)
Byte 14 Bit 0 Doors (0 = 2-doors / 1 = 4-doors)
Byte 14 Bit 1 Power windows front installed
Byte 14 Bit 2 Power windows rear installed
Byte 14 Bit 3 Central locking installed
Byte 14 Bit 4 Model (0 = Left Hand Drive/ 1 = Right Hand Drive)
Byte 14 Bit 5 not relevant/unused
Byte 14 Bit 6 Synchronous mirror adjustment
Byte 14 Bit 7

Mirror lowering with reverse gear
(only with Memory Seats)
Byte 15 Bit 0 Anti-theft system deactivated
Byte 15 Bit 1 Anti-theft system disarming only via remote control or immobilizer
Byte 15 Bit 2 not relevant/unused
Byte 15 Bit 3 Anti-theft alarm delay (15 s) inactive (Thatcham)
Byte 15 Bit 4 not relevant/unused
Byte 15 Bit 5 Anti-theft system passive arming
Byte 15 Bit 6 Inclination Sensor installed
Byte 15 Bit 7 Interior Monitoring installed
Byte 16 Bit 0 not relevant/unused
Byte 16 Bit 1 not relevant/unused
Byte 16 Bit 2 not relevant/unused
Byte 16 Bit 3 not relevant/unused
Byte 16 Bit 4 Siren installed
Byte 16 Bit 5 Siren Tone Type
(0 = frequency modulated / 1 = intermittent)
Byte 16 Bit 6 Siren Alarm Type
(0 = 10 "tamper" alarms / 1 = 1 "tamper" alarm)
Byte 16 Bit 7 not relevant/unused
Byte 17 Bit 0 unknown
Byte 17 Bit 1 unknown
Byte 17 Bit 2 unknown
Byte 17 Bit 3 unknown
Byte 17 Bit 4 unknown
Byte 17 Bit 5 unknown
Byte 17 Bit 6 unknown
Byte 17 Bit 7 unknown

 

{Instrument Cluster}

Control Module Coding

Select 17 (Instrument Cluster)
Coding -> Function 07

??x0x: Extra-Options

+01 - Brake pad wear warning active
+02 - Seat belt warning active
+04 - Low Washer Fluid warning active

xx?0x: Country-Setting

Note: Germany is coded as Europe, but 0 is a valid for germany.

1 - Europe
2 - USA
3 - Canada
4 - Great Britain
5 - Japan
6 - Arabian States
7 - Australia

xxx0?: Distance Impuls Number

 

 

{Steering Wheel Electronics}

Control Module Coding

Select 09 (Steering Wheel Electronics)
Coding -> Function 07

?xxxxxx: Voice Operation (Symbols)

0 - No Voice Operation (Standard Symbols)
1 - Voice Operation (Modified Symbols)

x?xxxxx: Country (Parking Light)

0 - Rest of World (with Parking Light)
1 - North America (without Parking Light)

xx?xxxx: Vehicle Type

0 - Normal Vehicle
1 - Special Purpose Vehicle (e.g. Taxi)

xxx?xxx: Transmission

0 - Manual Transmission
1 - Automatic Transmission

xxxx?xx: Steering Wheel/Tiptronic

0 - without Multi-Function Steering Wheel
1 - with Multi-Function Steering Wheel / without Tiptronic
2 - with Multi-Function Steering Wheel / with Tiptronic

xxxxx?x: Cruise Control

0 - wiithout Cruise Control System
1 - with 6 Position Cruise Control System
2 - with 6 Position Cruise Control System and Distance Regulation

xxxxxx?: Rear Wiper/Board Computer

1 - without Rear Wiper (Sedan) / without Board Computer
2 - with Rear Wiper (Wagon) / without Board Computer
3 - without Rear Wiper (Sedan) / with Board Computer
4 - with Rear Wiper (Wagon) / with Board Computer

 

Last update 16.02.2006
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