How to Locate and Remove the Engine Control Module (ECM) on 2008 Dodge Ram 2500?

The Engine Control Module (ECM) is on the left side of the engine mounted using capscrews and vibration isolators. Note any Diagnostic Trouble Codes (DTCs) prior to the removal of negative battery cables. To have access, you will need to take off the left front wheel and fender splash shield, then unattach the ECM connectors and mounting bolts to take out the ECM.

OEM 2008 Dodge Ram 2500 Engine Control Module

Engine Control Computer

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4 Engine Control Modules found

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2008 Dodge Ram 2500 EEC Module Part Number: 5179028AE
$3487.18 MSRP: $5245.00
You Save: $1757.82 (34%)
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Product Specifications
- Other Name: Module - Engine Controller; Engine Control Module; ECM; Module Engine Controller
- Replaces: 5179028AC, 5179028AD, 5179028AA, 5179028AB, RL179028AE
- Item Weight: 6.40 Pounds
- Item Dimensions: 1.8 x 12.6 x 12.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5179028AE
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Dodge Ram 2500 Submodels:
- Laramie, SLT, ST, SXT | 6 Cyl 6.7 L DIESEL, 6.7L L6
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2008 Dodge Ram 2500 EEC Module Part Number: 5150282AC
Product Specifications
- Other Name: Module - Powertrain Control; PCM; ECM; Module Powertrain Control Generic
- Replaces: 5150282AB, RL150282AC
- Item Weight: 2.20 Pounds
- Item Dimensions: 10.4 x 6.3 x 6.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5150282AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Ram 2500 Submodels:
- Laramie, Power Wagon, SLT, ST, SXT | 5.7L V8, 8 Cyl 5.7 L GAS
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2008 Dodge Ram 2500 EEC Module Part Number: 5150321AC
Product Specifications
- Other Name: Module - Powertrain Control; Engine Control Module; ECM; Module Powertrain Control Generic
- Replaces: 5150321AB
- Item Weight: 2.10 Pounds
- Item Dimensions: 10.1 x 6.3 x 6.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5150321AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Ram 2500 Submodels:
- Laramie, Power Wagon, SLT, ST, SXT | 5.7L V8, 8 Cyl 5.7 L GAS
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2008 Dodge Ram 2500 EEC Module Part Number: R5179027AA
$2482.71 MSRP: $2885.00
You Save: $402.29 (14%)
Product Specifications
- Other Name: Module - Engine Controller; Engine Control Module; ECM; Module Engine Controller
- Replaces: 5179027AA, 5191828AA, 5142418AC, 5142418AB, RL179027AA
- Item Weight: 4.10 Pounds
- Item Dimensions: 3.4 x 10.5 x 13.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: R5179027AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Dodge Ram 2500 Submodels:
- Laramie, SLT, ST, Sport, TRX4 | 5.9L L6, 6 Cyl 5.9 L DIESEL

2008 Dodge Ram 2500 Engine Control Module Parts and Q&A

Q: How to Locate and Remove the Engine Control Module (ECM) on 2008 Dodge Ram 2500?
A: The Engine Control Module (ECM) is on the left side of the engine mounted using capscrews and vibration isolators. Note any Diagnostic Trouble Codes (DTCs) prior to the removal of negative battery cables. To have access, you will need to take off the left front wheel and fender splash shield, then unattach the ECM connectors and mounting bolts to take out the ECM.