2000 MAZDA RX-7

13B-REW twin-turbo 1.3L twin-rotor, 280 PSRWDgas
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Dead battery / stuck in Park? Emergency neutral procedure for this RX-7
Every control module on the 1996-2002 Mazda RX-7 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
ABS Control Module (ABS CM)1.8 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Engine bay, driver side near brake master cylinder
🔧 Mazda WDS or M-MDS
⚠️ Standard equipment 1996+. Requires brake bleeding and wheel speed sensor calibration.
Immobilizer Control Module (ICM)1.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Behind instrument cluster or integrated in PCM
🔧 Mazda WDS or M-MDS
⚠️ Introduced mid-1997. Requires key programming and PCM pairing. Seed-key authentication required.
Body Control Module (BCM)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Behind driver side kick panel or under dashboard
🔧 Mazda WDS or M-MDS
⚠️ Controls lighting, wipers, power windows. Requires configuration for vehicle options. Not present in all trim levels.
Instrument Cluster (IC)1.5 hr R&Raftermarket tool +0.5 hr▸ programming details
📍 Dashboard, behind instrument panel
🔧 Mazda WDS or odometer programmer
⚠️ Digital odometer; mileage programming required. Some aftermarket tools can program odometer.
Climate Control Module (CCM)1.2 hr R&Rno coding
📍 Center dashboard, behind climate control panel
⚠️ Manual or automatic climate control. No programming required; self-calibrating actuators.
Powertrain Control Module (PCM)1.2 hr R&Rdealer / factory tool +0.8 hr▸ programming details
📍 Passenger side footwell, behind kick panel
🔧 Mazda WDS or M-MDS
⚠️ OBD-II compliant. Requires VIN programming and immobilizer pairing. Sequential twin-turbo logic integrated.
Restraints Control Module (RCM)1.0 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Center console, under shifter trim
🔧 Mazda WDS or M-MDS
⚠️ Dual front airbags standard. Requires crash data clear and system verification.
Audio Control Unit (ACU)0.8 hr R&Rno coding
📍 Center dashboard, in radio slot
⚠️ Standalone unit with optional Bose system. May require radio code entry after battery disconnect.
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.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.
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