OEM Powertrain Control Module (PCM) for 2003-2005 Buick, Chevrolet, Oldsmobile, & Pontiac
Product Notes
This is a programmable engine control module. It must be programmed to your vehicle's VIN (Vehicle Identification Number) by a dealership or qualified automotive technician to ensure proper function, drivability, and compliance with emissions standards. An anti-theft relearn procedure and a crankshaft variation relearn may also be required after installation.
Why Buy Used OEM Parts?
- ✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested. While it may show some cosmetic wear, it's fully functional and ready to install.
- ✓ Original Equipment: This is a genuine OEM part — the exact part that came with your vehicle from the factory. Perfect fitment and performance.
- ✓ Works Like New: Despite visual wear, internal components and functionality are intact. Same reliability you'd expect from OEM quality.
- ✓ Significant Savings: Save 50–80% vs. new. Factory quality at a fraction of the cost — the smart choice for budget-conscious owners.
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Vehicle Fitment Guide
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Custom | Sedan | 2003 - 2005 | V6 3.1L | FWD | Automatic |
| Limited | Sedan | 2004 - 2005 | V6 3.1L | FWD | Automatic |
| Special Edition | Sedan | 2005 | V6 3.1L | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Custom | Sedan | 2004 - 2005 | V6 3.8L | FWD | Automatic |
| Limited | Sedan | 2004 - 2005 | V6 3.8L | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 2004 - 2005 | V6 3.8L | FWD | Automatic |
| Ultra | Sedan | 2004 - 2005 | V6 3.8L Supercharged | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| CX | SUV | 2003 - 2005 | V6 3.4L | AWD/FWD | Automatic |
| CX Plus | SUV | 2003, 2005 | V6 3.4L | AWD/FWD | Automatic |
| CXL | SUV | 2003 - 2005 | V6 3.4L | AWD/FWD | Automatic |
| CXL Plus | SUV | 2003 | V6 3.4L | AWD/FWD | Automatic |
| CXL | SUV | 2004 | V6 3.6L | AWD/FWD | Automatic |
| Ultra | SUV | 2004 - 2005 | V6 3.6L | AWD | Automatic |
| CXL Plus | SUV | 2005 | V6 3.6L | AWD/FWD | Automatic |
| Ultra | SUV | 2005 | V6 3.6L | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| Base | Sedan | 2003 - 2005 | V6 3.8L | FWD | Automatic |
| LS | Sedan | 2003 - 2005 | V6 3.8L | FWD | Automatic |
| LS Sport | Sedan | 2003 | V6 3.8L | FWD | Automatic |
| Police | Sedan | 2003 - 2005 | V6 3.8L | FWD | Automatic |
| SS | Sedan | 2004 - 2005 | V6 3.8L Supercharged | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 2003 | V6 3.1L | FWD | Automatic |
| LS | Sedan | 2003 | V6 3.1L | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| LS | Coupe | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| LS Competition | Coupe | 2003 | V6 3.4L | FWD | Automatic |
| LS Sport | Coupe | 2003 | V6 3.4L | FWD | Automatic |
| SS | Coupe | 2003 - 2004 | V6 3.8L | FWD | Automatic |
| SS High Sport | Coupe | 2003 | V6 3.8L | FWD | Automatic |
| SS Pace Car | Coupe | 2003 | V6 3.8L | FWD | Automatic |
| SS | Coupe | 2004 - 2005 | V6 3.8L Supercharged | FWD | Automatic |
| LT | Coupe | 2005 | V6 3.8L | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Mini Passenger Van | 2003 - 2004 | V6 3.4L | FWD | Automatic |
| LS | Mini Passenger Van | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| LS | Mini Passenger Van | 2003 - 2004 | V6 3.4L | AWD | Automatic |
| LT | Mini Passenger Van | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| LT | Mini Passenger Van | 2003 - 2004 | V6 3.4L | AWD | Automatic |
| Plus | Mini Passenger Van | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| Value | Mini Passenger Van | 2003 | V6 3.4L | FWD | Automatic |
| Warner Bros. | Mini Passenger Van | 2003 | V6 3.4L | AWD/FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| GL | Coupe | 2003 - 2004 | L4 2.2L | FWD | Automatic & Manual |
| GL | Sedan | 2003 - 2004 | L4 2.2L | FWD | Automatic & Manual |
| GL | Coupe | 2003 - 2004 | V6 3.4L | FWD | Automatic & Manual |
| GL | Sedan | 2003 - 2004 | V6 3.4L | FWD | Automatic & Manual |
| GLS | Coupe | 2003 | L4 2.2L | FWD | Automatic & Manual |
| GLS | Sedan | 2003 | L4 2.2L | FWD | Automatic & Manual |
| GLS | Coupe | 2003 - 2004 | V6 3.4L | FWD | Automatic |
| GLS | Coupe | 2003 | V6 3.4L | FWD | Manual |
| GLS | Sedan | 2003 - 2004 | V6 3.4L | FWD | Automatic |
| GLS | Sedan | 2003 | V6 3.4L | FWD | Manual |
| GX | Coupe | 2003 - 2004 | L4 2.2L | FWD | Automatic & Manual |
| GX | Sedan | 2003 - 2004 | L4 2.2L | FWD | Automatic & Manual |
| GX | Coupe | 2003 | V6 3.4L | FWD | Automatic & Manual |
| GX | Sedan | 2003 | V6 3.4L | FWD | Automatic & Manual |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| GL | Mini Passenger Van | 2003 - 2004 | V6 3.4L | FWD | Automatic |
| GLS | Mini Passenger Van | 2003 - 2004 | V6 3.4L | AWD/FWD | Automatic |
| Premiere | Mini Passenger Van | 2003 - 2004 | V6 3.4L | AWD/FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | SUV | 2003 - 2005 | V6 3.4L | AWD/FWD | Automatic |
| V | SUV | 2003 | V6 3.4L | AWD/FWD | Automatic |
| Rally | SUV | 2004 - 2005 | V6 3.4L | AWD/FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| GXP | Sedan | 2004 - 2005 | V8 4.6L | FWD | Automatic |
| SE | Sedan | 2004 - 2005 | V6 3.8L | FWD | Automatic |
| SLE | Sedan | 2004 - 2005 | V6 3.8L | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 2003 | V6 3.4L | FWD | Automatic |
| GT | Coupe | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| GT | Coupe | 2003 | V6 3.4L | FWD | Manual |
| GT | Sedan | 2003 - 2004 | V6 3.4L | FWD | Automatic |
| GT | Sedan | 2003 | V6 3.4L | FWD | Manual |
| GT1 | Coupe | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| GT1 | Coupe | 2003 | V6 3.4L | FWD | Manual |
| GT1 | Sedan | 2003 - 2004 | V6 3.4L | FWD | Automatic |
| GT1 | Sedan | 2003 | V6 3.4L | FWD | Manual |
| SE | Coupe | 2003 | L4 2.2L | FWD | Automatic & Manual |
| SE | Sedan | 2003 - 2005 | L4 2.2L | FWD | Automatic |
| SE | Sedan | 2003 - 2004 | L4 2.2L | FWD | Manual |
| SE | Coupe | 2003 | V6 3.4L | FWD | Automatic & Manual |
| SE | Sedan | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| SE | Sedan | 2003 - 2004 | V6 3.4L | FWD | Manual |
| SE1 | Coupe | 2003 | L4 2.2L | FWD | Automatic & Manual |
| SE1 | Sedan | 2003 - 2004 | L4 2.2L | FWD | Automatic & Manual |
| SE1 | Coupe | 2003 | V6 3.4L | FWD | Automatic & Manual |
| SE1 | Sedan | 2003 - 2004 | V6 3.4L | FWD | Automatic & Manual |
| SE2 | Coupe | 2003 | V6 3.4L | FWD | Automatic & Manual |
| SE2 | Sedan | 2003 - 2004 | V6 3.4L | FWD | Automatic |
| SE2 | Sedan | 2003 | V6 3.4L | FWD | Manual |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| GT | Coupe | 2003 | V6 3.8L | FWD | Automatic |
| GT | Sedan | 2003 | V6 3.8L | FWD | Automatic |
| GTP | Coupe | 2003 | V6 3.8L Supercharged | FWD | Automatic |
| GTP | Sedan | 2003 | V6 3.8L Supercharged | FWD | Automatic |
| SE | Sedan | 2003 | V6 3.1L | FWD | Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Mini Cargo Van | 2003 - 2004 | V6 3.4L | AWD/FWD | Automatic |
| Base | Mini Passenger Van | 2003 - 2004 | V6 3.4L | AWD | Automatic |
| Base | Mini Passenger Van | 2003 - 2005 | V6 3.4L | FWD | Automatic |
| SV6 | Mini Passenger Van | 2005 | V6 3.5L | AWD/FWD | Automatic |
Policies
Shipping & Handling
- Standard shipping: 3-7 business days via UPS Ground
- Parts are carefully packaged to prevent damage during transit
Returns (30 Days)
We accept returns within 30 days of delivery for this part.
- Defective parts: We will replace the part or issue a refund at our discretion
- Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
- Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
- Return shipping: We cover return shipping as part of our 100% money-back guarantee
- Parts must be returned in original packaging and unmodified condition
- Poorly packaged returns that arrive damaged will not be credited
6-Month Warranty
All used parts include a 6-month warranty from the date of purchase.
- If your part fails within 6 months, we will send a replacement
- Refunds are only issued if we cannot provide a suitable replacement
- Warranty covers defects — not installation errors, misuse, or damage after installation
Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.
Damaged in Shipping?
If your part arrives damaged:
- Stop immediately — do not install the part
- Keep all original packaging and boxes
- Take clear photos of the damage and packaging
- Contact us within 48 hours of delivery
We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.
Order Cancellation
Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.
2003-2005 GM 2.2L ECM Failure: Stalling, No-Start & Programming Guide for Cavalier, Malibu, Grand Am & More
This guide covers the critical VIN programming and security relearn steps required when replacing the engine computer in your 2.2L Ecotec-powered Chevrolet, Pontiac, or Oldsmobile.
Read Full Guide →⚠️ Related Trouble Codes (OBD-II)
8 matching guidesIf your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.
Miscellaneous Information
OEM Part Numbers:
Buick: 12583827, 89017736, CLUC, CLWB, YDXD, YFBD, YHNR, YKAH, YKAK
Fits Years: 2003 2004 2005
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