Engine Control Module (ECM) Connector End View (J623, T81, T40)

2008 Audi A3 Base, 2.0 E, Automatic DCTSECTION Engine Control Module (ECM) Connector End View (J623, T81, T40)
Fig 1: Engine Control Module (ECM) Connector End View (J623, T81, T40)
G10359720Courtesy of AUDI OF AMERICA, LLC
A Engine Control Module (ECM) -J623- Connector
B 81-Pin Connector-T81-
C 40-Pin Connector -T40-
NOTE: T121-consists of items B and C
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.