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 MANUALSVOLKSWAGEN1999JETTA SEDAN (9M2) V6-2.8L (AFP)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONMONITORS, TRIPS, DRIVE CYCLES AND READINESS CODESREADINESS CODE READING
1999 Volkswagen Jetta Sedan (9M2) V6-2.8L (AFP)
Readiness Code Reading
1999 Volkswagen Jetta Sedan (9M2) V6-2.8L (AFP)SECTION Readiness Code Reading
Readiness Code (Function 15), Displaying
Special tools and equipment
VAG1551 Scan Tool (ST) or VAG1552 mobile scan tool with VAG1551/3 adapter cable
Test procedure
- Connect VAG1551 Scan Tool (ST) (VAG1552), then switch ignition on and select Motronic Engine Control Module (ECM) -J220- by pressing buttons -0- an -1- to insert "Engine Electronics" address word 01.
Indicated on display
Rapid data transfer HELP
Select function XX
- Press buttons -1- and -5- to select "Readiness code" function and press -Q- button to confirm input.
Must appear on display when all diagnostic functions have been successfully completed.
Indicated on display
Readiness code ->
00000000 - Test complete
- Press -> button.
- Press buttons -0- and -6- to select "End output" function 06 and press -Q- button to confirm input.
- Switch ignition off.
Indicated on display (example)
Readiness code ->
00101101 - Test not complete
If one of the diagnostic checks has not run through successfully:
- Press -> button.
- Generate readiness code.
Explanation of 8 digit readiness code
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.