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 SYSTEMSTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSENGINE CONTROLS - ECM HARNESS CONNECTOR MODIFICATION
1999 Volkswagen Jetta Sedan (9M2) V6-2.8L (AFP)
Engine Controls - ECM Harness Connector Modification
1999 Volkswagen Jetta Sedan (9M2) V6-2.8L (AFP)SECTION Engine Controls - ECM Harness Connector Modification
Condition
Electronic Control Module (ECM), Modifying ECM Connector To Match Wiring Harness
24 07 04 Jan. 25, 2007, 2002043 supersedes Technical Bulletin Group 24 number 00-02 dated Oct. 24, 2000 due to inclusion in ElsaWeb.
Technical Background
After engine harness or ECM replacement, the ECM may not mate with the ECM harness connector.
Production Solution
N/A
Service
If ECM does not mate with the ECM harness connector:
- Remove tabs on the ECM (arrows A and B) using a soldering pencil (view shows ECM connector without pins).
NOTE: Always wear protective eye wear!
Provide adequate ventilation!
Take care not to damage electrical pins on the ECM!
- Arrow A = 3 tabs to be removed
- Arrow B = 1 tab (longest) to be removed
After this material has been removed from the ECM, the ECM and wiring connector may be properly attached.
Warranty
Information only
Required Parts and Tools
No special tools required
No special parts required
Electronic Control Module (ECM), Modifying ECM Connector To Match Wiring Harness
24 07 04 Jan. 25, 2007, 2002043 supersedes Technical Bulletin Group 24 number 00-02 dated Oct. 24, 2000 due to inclusion in ElsaWeb.
Technical Background
After engine harness or ECM replacement, the ECM may not mate with the ECM harness connector.
Production Solution
N/A
Service
If ECM does not mate with the ECM harness connector:
- Remove tabs on the ECM (arrows A and B) using a soldering pencil (view shows ECM connector without pins).
NOTE: Always wear protective eye wear!
Provide adequate ventilation!
Take care not to damage electrical pins on the ECM!
- Arrow A = 3 tabs to be removed
- Arrow B = 1 tab (longest) to be removed
After this material has been removed from the ECM, the ECM and wiring connector may be properly attached.
Warranty
Information only
Required Parts and Tools
No special tools required
No special parts required
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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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.