Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2003PASSAT SEDAN (3B3) V6-2.8L (ATQ)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULEAPPLICATION AND ID
2003 Volkswagen Passat Sedan (3B3) V6-2.8L (ATQ)
Engine Control Module: Application and ID
2003 Volkswagen Passat Sedan (3B3) V6-2.8L (ATQ)SECTION Application and ID
Control Module Identification
The control module version is indicated when the V.A.G1551 Scan Tool, VAG1552 Scan Tool or the new VAS5051 tester are connected and the control module for engine electronics is selected.
Equipment
Engine identification ATQ
System identification Motronic ME7.1
Emissions limits according to OBD II
On Board Diagnostic (OBD) Yes
Output Diagnostic Test Mode Yes
Type of data transfer to V.A.G1551/1552 Rapid data transfer
DTC memory Permanent memory 1)
Memory for adaptation values Temporary memory 2)
Oxygen sensor control 4 sensors
Knock sensor control 2 knock sensors
Intake manifold change-over Yes
Camshaft adjustment Yes
Boost pressure regulation No
Secondary Air Injection (AIR) system Yes
1) Independent of voltage supply.
2) Values are lost when voltage supply is interrupted.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.