Fitment notes: Battery located in left side of trunk; European DIN specification
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Every control module on the 1985-1988 Porsche 944 — where it lives, replacement time, and what it takes to program a replacement.
Anti-lock Brake System Control Unit (ABS)1.5 hr R&Rno coding
📍 Right front inner fender, near strut tower
⚠️ Bosch ABS 2 system (optional 1985.5-1986, standard 1987+). No coding required. Hydraulic unit and control module integrated.
Digital Motor Electronics (DME)1.2 hr R&Rno coding
📍 Left side of engine bay, behind battery tray on inner fender
⚠️ Bosch Motronic 2.5 (944S: 16-valve) or Motronic ML (944 Turbo). No coding required; hardware-configured.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1986 Porsche 944 2.5L I4 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.