How to remove and replace the Engine Control Module (ECM) on 2008 Ford Focus?

All customer keys must be ready for programming at the installation time since Powertrain Control Module (PCM) replacement does not need new keys. Start the process by using proper steps to access the module configuration. Begin by taking off the air cleaner outlet pipe followed by disconnection of the three PCM electrical connectors. Remove the two bolts holding the PCM before extracting the module component. The PCM should be placed in position then secured with two bolts which require torque to 8 Nm (71 lb-in). Reroute the three PCM electrical connectors before installing the air cleaner outlet pipe. The module configuration requires restoration through proper steps after which to reprogram the passive anti-theft system (PATS) by completing Key Programming Using Two Programmed Keys.

OEM 2008 Ford Focus Engine Control Module

Engine Control Computer

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10 Engine Control Modules found

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2008 Ford Focus ECM Part Number: 8S4Z-12A650-ASDRM
$838.28 MSRP: $1235.67
You Save: $397.39 (33%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Reman Module - Engine Control - EEC; Engine Control Module (ECM); Engine Control Module
- Replaces: 8S4Z-12A650-ASB, 9S4Z-12A650-AA, 9S4Z-12A650-MA, 9S4Z-12A650-MB, 8S4Z-12A650-AJB, 9S4Z-12A650-AB, 9S4Z-12A650-NB, 8S4Z-12A650-ARD, 9S4Z-12A650-BB, 8S4Z-12A650-ASC, 8S4Z-12A650-ARB, 8S4Z-12A650-ASD, 8S4Z-12A650-ASA, 9S4Z-12A650-BA, 9S4Z-12A650-NA, 8S4Z-12A650-ARC, 8S4Z-12A650-AJA
- Base No.: 12A650
- Item Weight: 3.50 Pounds
- Item Dimensions: 10.6 x 6.6 x 2.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8S4Z-12A650-ASDRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES | 4 Cyl 2.0 L GAS
View related parts
2008 Ford Focus ECM Part Number: 8S4Z-12A650-AXDRM
$433.40 MSRP: $633.33
You Save: $199.93 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reman Module - Engine Control - EEC; Engine Control Module (ECM); Engine Control Module
- Replaces: 8S4Z-12A650-AUA, 8S4Z-12A650-ALA, 8S4Z-12A650-ANA, 8S4Z-12A650-ANB, 8S4Z-12A650-ATC, 9S4Z-12A650-RB, 9S4Z-12A650-PA, 8S4Z-12A650-ATB, 8S4Z-12A650-AUD, 8S4Z-12A650-AXC, 9S4Z-12A650-RA, 8S4Z-12A650-AVA, 8S4Z-12A650-AVD, 8S4Z-12A650-ALB, 8S4Z-12A650-AVB, 8S4Z-12A650-AVC, 8S4Z-12A650-AXB, 8S4Z-12A650-AMA, 8S4Z-12A650-AXD, 8S4Z-12A650-AEB, 9S4Z-12A650-PB, 8S4Z-12A650-ATD, 8S4Z-12A650-AUB, 8S4Z-12A650-AXA, 8S4Z-12A650-AMB, 8S4Z-12A650-AUC
- Base No.: 12A650
- Item Weight: 3.30 Pounds
- Item Dimensions: 11.4 x 7.3 x 2.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8S4Z-12A650-AXDRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES | 4 Cyl 2.0 L GAS
View related parts
2008 Ford Focus ECM Part Number: 8S4Z-12A650-APB
$648.00 MSRP: $960.00
You Save: $312.00 (33%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Module - Engine Control - EEC; Engine Control Module (ECM); Module - Engine Control - Eec V; Engine Control Module
- Replaces: 8S4Z-12A650-APA
- Base No.: 12A650
- Item Weight: 3.30 Pounds
- Item Dimensions: 13.8 x 8.5 x 3.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8S4Z-12A650-APB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES | 4 Cyl 2.0 L GAS
View related parts
2008 Ford Focus PCM Part Number: 6S4Z-12A650-UC
Product Specifications
- Other Name: Module - Engine Control - EEC; Engine Control Module (ECM); ECM; Module - Engine Control - Eec V; Engine Control Module
- Manufacturer Note: 6AU2BA0A22 (SRX2)
- Replaces: 6U7Z-12A650-BPA, 6S4Z-12A650-UB
- Base No.: 12A650
- Item Weight: 2.70 Pounds
- Item Dimensions: 14.8 x 9.4 x 4.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6S4Z-12A650-UC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES, ST, ZX4 ST | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
View related parts
2008 Ford Focus ECM Part Number: 8S4Z-12A650-AKB
Product Specifications
- Other Name: Module - Engine Control - EEC; Engine Control Module (ECM); Module - Engine Control - Eec V; Engine Control Module
- Replaces: 8S4Z-12A650-AKA
- Base No.: 12A650
- Item Weight: 3.50 Pounds
- Item Dimensions: 10.6 x 6.9 x 2.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8S4Z-12A650-AKB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES | 4 Cyl 2.0 L GAS
View related parts
2008 Ford Focus ECM Part Number: 7S4Z-12A650-UA
Product Specifications
- Other Name: Module - Engine Control - EEC; Engine Control Module (ECM); Module - Engine Control - Eec V; Engine Control Module
- Manufacturer Note: 7AU1PZ0520 (GXU0)
- Base No.: 12A650
- Item Weight: 2.00 Pounds
- Item Dimensions: 14.6 x 9.5 x 4.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7S4Z-12A650-UA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES | 4 Cyl 2.0 L GAS
View related parts
2008 Ford Focus ECM Part Number: 6U7Z-12A650-BSARM
Product Specifications
- Other Name: Reman Module - Engine Control - EEC; Engine Control Module (ECM)
- Replaces: 6U7Z-12A650-BSA
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6U7Z-12A650-BSARM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES | 4 Cyl 2.0 L GAS
View related parts
2008 Ford Focus ECM Part Number: 6U7Z-12A650-BSA
Product Specifications
- Other Name: Module - Engine Control - EEC; Engine Control Module; Module - Engine Control - Eec V
- Manufacturer Note: 6AU2PZ0B20 (SMX0)
- Replaced by: 6U7Z-12A650-BSARM
- Base No.: 12A650
- Item Weight: 2.20 Pounds
- Item Dimensions: 14.7 x 9.3 x 4.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6U7Z-12A650-BSA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES | 4 Cyl 2.0 L GAS
View related parts
2008 Ford Focus ECM Part Number: 6U7Z-12A650-BRA
Product Specifications
- Other Name: Module - Engine Control - EEC; Engine Control Module (ECM); Module - Engine Control - Eec V; Engine Control Module
- Manufacturer Note: 6AU1PZ0B20 (RTR0)
- Base No.: 12A650
- Item Weight: 2.00 Pounds
- Item Dimensions: 14.6 x 9.2 x 4.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6U7Z-12A650-BRA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES | 4 Cyl 2.0 L GAS
View related parts
2008 Ford Focus PCM Part Number: 6S4Z-12A650-TB
Product Specifications
- Other Name: Module - Engine Control - EEC; Engine Control Module (ECM); ECM; Module - Engine Control - Eec V; Engine Control Module
- Manufacturer Note: 6AU1BA0A21 (GTK1)
- Replaces: 6U7Z-12A650-BNA, 6S4Z-12A650-TA
- Base No.: 12A650
- Item Weight: 2.50 Pounds
- Item Dimensions: 15.0 x 9.4 x 4.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6S4Z-12A650-TB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2008 Ford Focus Submodels:
- S, SE, SEL, SES, ST, ZX3, ZX4, ZX4 ST, ZX5, ZXW | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS

2008 Ford Focus Engine Control Module

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2008 Ford Focus Engine Control Module available at FordPartsDeal.com. You can confidently purchase our OEM 2008 Ford Focus Engine Control Module as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2008 Ford Focus Engine Control Module Parts Q&A

Q: How to remove and replace the Engine Control Module (ECM) on 2008 Ford Focus?
A: All customer keys must be ready for programming at the installation time since Powertrain Control Module (PCM) replacement does not need new keys. Start the process by using proper steps to access the module configuration. Begin by taking off the air cleaner outlet pipe followed by disconnection of the three PCM electrical connectors. Remove the two bolts holding the PCM before extracting the module component. The PCM should be placed in position then secured with two bolts which require torque to 8 Nm (71 lb-in). Reroute the three PCM electrical connectors before installing the air cleaner outlet pipe. The module configuration requires restoration through proper steps after which to reprogram the passive anti-theft system (PATS) by completing Key Programming Using Two Programmed Keys.