How to replace the Engine Control Module (ECM) on 2005 Toyota Tacoma?

The first step for Engine Control Module (ECM) replacement requires VIN registration after disconnecting battery cable from the negative terminal. Start by removing the glove compartment door assembly and proceeding to take out the instrument panel finish panel sub-assembly lower RH. ELIMINATE THE Four CONNECTORS ATTACHED TO THE ECM PRIOR TO USING A SOCKET WRENCH TO REMOVE THE TWO BOLTS AND NUT. THEN DISLOCALE THE ECM FROM ITS POSITION. The ECM bracket removal requires uninstalling three screws followed by unscrewing two screws from ECM bracket No.2. Wedge ECM bracket No.2 using 3 N.m (32 kgf.cm, 28 in.lbf) torque and after that torque ECM bracket with the exact specification. Fasten the ECM using 5 N.m torque and return the instrument panel finish panel sub-assembly lower RH and glove compartment door assembly to its place. Reconnect the cable to the negative terminal of the battery and tighten it to 3.9 N.m (40 kgf.cm, 35 in.lbf).

OEM 2005 Toyota Tacoma Engine Control Module

Engine Control Computer

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6 Engine Control Modules found

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2005 Toyota Tacoma ECM
Part Number: 89661-04A34
$967.24 MSRP: $1417.50
You Save: $450.26 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-04A32-84, 89661-04A30, 89661-04A33-84, 89661-04A31-84, 89661-04A31
- Item Weight: 1.70 Pounds
- Condition: New
- SKU: 89661-04A34
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota Tacoma Submodels:
- Base, Pre Runner, X-Runner | 6 Cyl 4.0 L GAS
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2005 Toyota Tacoma ECM
Part Number: 89661-04A23
$627.76 MSRP: $919.99
You Save: $292.23 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-04A22, 89661-04A21, 89661-04A20
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.7 x 10.2 x 3.9 inches
- Condition: New
- SKU: 89661-04A23
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2005 Toyota Tacoma Submodels:
- Base, Pre Runner | 4 Cyl 2.7 L GAS
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2005 Toyota Tacoma ECM
Part Number: 89661-04A64
$546.26 MSRP: $800.55
You Save: $254.29 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-04A61, 89661-04A60, 89661-04A63, 89661-04A62
- Condition: New
- SKU: 89661-04A64
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota Tacoma Submodels:
- Base, Pre Runner, X-Runner | 6 Cyl 4.0 L GAS
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2005 Toyota Tacoma ECM
Part Number: 89661-04A02
$489.29 MSRP: $717.06
You Save: $227.77 (32%)
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-04A00, 89661-04A01
- Condition: New
- SKU: 89661-04A02
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota Tacoma Submodels:
- Base, Pre Runner | 4 Cyl 2.7 L GAS
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2005 Toyota Tacoma ECM
Part Number: 89661-04A12
$454.56 MSRP: $666.16
You Save: $211.60 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-04A11, 89661-04A10
- Item Weight: 2.20 Pounds
- Item Dimensions: 12.8 x 9.9 x 4.1 inches
- Condition: New
- SKU: 89661-04A12
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2005 Toyota Tacoma Submodels:
- Base, Pre Runner | 4 Cyl 2.7 L GAS
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2005 Toyota Tacoma ECM
Part Number: 89661-04A74
$594.96 MSRP: $871.92
You Save: $276.96 (32%)
Ships in 1-3 Business Days
Product Specifications
- Other Name: Computer, Engine Control; Engine Control Module
- Replaces: 89661-04A70, 89661-04A73, 89661-04A72, 89661-04A71
- Condition: New
- SKU: 89661-04A74
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2005 Toyota Tacoma Submodels:
- Base, Pre Runner | 6 Cyl 4.0 L GAS

2005 Toyota Tacoma Engine Control Module

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2005 Toyota Tacoma Parts Questions & Experts Answers

Q: How to replace the Engine Control Module (ECM) on 2005 Toyota Tacoma?
A: The first step for Engine Control Module (ECM) replacement requires VIN registration after disconnecting battery cable from the negative terminal. Start by removing the glove compartment door assembly and proceeding to take out the instrument panel finish panel sub-assembly lower RH. ELIMINATE THE Four CONNECTORS ATTACHED TO THE ECM PRIOR TO USING A SOCKET WRENCH TO REMOVE THE TWO BOLTS AND NUT. THEN DISLOCALE THE ECM FROM ITS POSITION. The ECM bracket removal requires uninstalling three screws followed by unscrewing two screws from ECM bracket No.2. Wedge ECM bracket No.2 using 3 N.m (32 kgf.cm, 28 in.lbf) torque and after that torque ECM bracket with the exact specification. Fasten the ECM using 5 N.m torque and return the instrument panel finish panel sub-assembly lower RH and glove compartment door assembly to its place. Reconnect the cable to the negative terminal of the battery and tighten it to 3.9 N.m (40 kgf.cm, 35 in.lbf).