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 MANUALSAUDI2025A4 QUATTRO PRESTIGEREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALCOMPONENT LOCATIONSCOMPONENT LOCATIONS: CONTROL MODULES IN REAR PART OF VEHICLECOMPONENT LOCATIONS: CONTROL MODULES IN REAR PART OF VEHICLEREAR LID OPENER CONTROL MODULE -J938- COMPONENT LOCATION AND CONNECTOR END VIEWREAR LID OPENER CONTROL MODULE -J938-, THROUGH JUNE 2019NOTES
2025 Audi A4 Quattro Prestige
Rear lid opener control module -J938-, THROUGH JUNE 2019: Notes
2025 Audi A4 Quattro PrestigeSECTION Notes
Component Location
On centre left at bottom on rear bumper trim.
Fig 1: Rear Lid Opener Control Module -J938- Component Location And Connector End View (Through June 2019)
- 1 - Rear lid opener control module -J938-
- A - 4-Pin Connector -T4bs-, black
- B - 5-Pin Connector -T5bd-, black
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.