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Toyota PCM, ECM, ECU & Engine Computer Replacement
Just Put it in and Drive, no need to visit the dealer!
Toyota Camry and RAV4 ECM Replacement Modules
Car Computer Exchange carries remanufactured ECM and TCM modules for the Toyota Camry and Toyota RAV4. The Camry catalog includes 7 engine computer modules across 4-cylinder and V6 engine sizes. The RAV4 catalog covers 9 modules, including the ECMs associated with the documented 2001-2003 transmission-shifting failure.
Toyota ECMs use the 89661-xxxxx OEM part number format. If your existing module shows a part number starting with 89661, that identifies the engine control module. Toyota and Lexus share ECU architecture across many platforms. Browse Lexus ECM modules and Honda engine computers for additional import coverage.
Toyota ECM Failures: RAV4 Transmission Problems and Common Diagnostic Codes
A failing Toyota ECM typically triggers a check engine light, erratic transmission shifting, rough idling, or a no-start condition. Common symptoms include:
- Check engine light that will not clear after replacing sensors or coils
- Harsh or delayed shifting between gears
- Stalling or rough idle at stops
- No-start condition with a "no communication with ECM" scan tool message
- Poor fuel economy from incorrect fuel delivery timing
The 2001-2003 Toyota RAV4 is the most documented ECM failure case. A defective engine control module caused widespread transmission-shifting problems, including harsh shifts, slipping, and jerking. Toyota extended the warranty to 10 years and 150,000 miles due to the volume of complaints. If your RAV4 ECM is triggering codes like P0750, P0753, P0755, P0758, or P0770, the module itself is the likely source.
Every Toyota Module Ships VIN-Programmed to Your Vehicle
Every Toyota ECM from Car Computer Exchange ships pre-programmed to your VIN with the latest factory software. You plug it in and drive. No dealer visit, no extra programming fee, no J2534 tool required.
Before shipping, every module undergoes a 13-point quality check using a computer-aided vehicle simulator. The simulator emulates your Toyota's engine, transmission, emissions, and anti-theft systems under load. Every circuit gets tested, not just a basic power-on check.
The result is a plug-and-play car computer that arrives matched to your exact vehicle. Keys and anti-theft are pre-synced during programming.
Lifetime Warranty and 60-Day Guarantee on Every Toyota Module
Every Toyota module from Car Computer Exchange includes a free lifetime warranty with core return and a 60-day money-back guarantee. Ship the old module back in the prepaid box within 21 days, and the lifetime warranty activates. It covers up to 2 replacement units with no mileage limit.
If the module does not solve the problem within 60 days, return it for a refund or exchange. Over 150,000 customers have ordered from Car Computer Exchange since 2011 across 12 makes, including Ford, with 643 modules in stock. Call 888-875-2958 Monday through Friday, 9am to 6pm Eastern.
FAQs
What is a Toyota PCM?
A Toyota PCM (powertrain control module) is the central computer that manages engine performance. It monitors sensor data, including engine speed, coolant temperature, throttle position, and oxygen levels, then adjusts fuel delivery, ignition timing, and transmission shifting in real time. Toyota labels this module as an ECM (engine control module) or ECU (engine control unit) in most service documentation. All three terms describe the same part.
How much does it cost to replace a Toyota ECM?
Dealer replacement for a Toyota ECM runs $1,100 to $1,200, including parts, labor, and programming. A remanufactured, VIN-programmed module eliminates the dealer programming fee and costs significantly less. Exact pricing depends on your model year and engine size.
Can I program a Toyota PCM myself?
Programming a Toyota PCM requires a J2534-compatible device and access to factory calibration software, which most vehicle owners do not have. Incorrect programming can leave the vehicle in a no-start condition. Car Computer Exchange handles all VIN programming and anti-theft syncing before the module ships, so it arrives ready to install with no special tools or dealer visit required.
What is the difference between a Toyota PCM, ECM, and ECU?
All three terms describe the same module. PCM stands for powertrain control module. ECM stands for engine control module. ECU stands for engine control unit. Toyota typically uses ECM in factory service manuals and on the 89661-xxxxx part number label. Regardless of the label, the module performs the same job: managing fuel delivery, ignition timing, and transmission shift points based on sensor data.
Is a remanufactured Toyota ECM as reliable as a new one?
A properly remanufactured ECM that passes full diagnostic testing performs the same as a new OEM module. Car Computer Exchange runs every Toyota ECM through a 13-point quality check on a vehicle simulator that tests all circuits under load. The free lifetime warranty covers up to 2 replacement units with no mileage limit, which backs the reliability with a concrete guarantee.
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The most common questions related to exchanging your car computer for one that works.
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