Every control module on the 1984-1987 Dodge 400 — where it lives, replacement time, and what it takes to program a replacement.
Instrument Cluster (IC)1.5 hr R&Rno coding
📍 Dashboard behind instrument panel
⚠️ Electronic cluster on digital dash models. No programming required; odometer is mechanical or non-volatile memory.
Single Board Engine Controller (SBEC)1.2 hr R&Rno coding
📍 Engine compartment, left side firewall near brake booster
⚠️ Expanded application to most fuel-injected models. DRB-I tool can read codes but no programming capability. Modules are plug-and-play.
Radio (Radio)0.8 hr R&Rno coding
📍 Center dashboard
⚠️ Electronic tuning radios on some models. No programming; preset stations stored in non-volatile memory.
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 1987 Dodge 400 1.6L 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.