This photo shows the same type of part you'll receive. Since each used part has its own wear and scratches, yours may look slightly different. Check the product notes for details about the condition of this specific part.
OEM Powertrain Control Module (PCM) for 1998-1999 Buick, Chevrolet, Oldsmobile, & Pontiac
STAGING
$
99
.95
30-DayReturns
6-monthWarranty
100%Money-Back
Condition: Excellent (A) — like new, minimal to no wear
Professionally inspected and tested.
Product Notes Read before buying
This is a used Engine Control Module (ECM) for vehicles with the 3.1L engine. This is a programmable control module. The module must be programmed at a dealership to ensure driveability and emission standards.
This module must be professionally programmed to your vehicle's VIN (Vehicle Identification Number) to ensure proper function. It will not start the vehicle until it is programmed.
This module must be professionally programmed to your vehicle's VIN (Vehicle Identification Number) to ensure proper function. It will not start the vehicle until it is programmed.
1 Other Matching Unit Available
Same part, different stock options.
Why Buy Used OEM Parts?
Checked & Tested
We check and test every used part before we sell it. It may show some wear, but it works and is ready to install.
Original Equipment
This is the same part your vehicle came with from the factory. It fits and works just like the original — because it is one.
Works Like New
A few marks on the outside don't change what's inside. The part works the way it should.
Big Savings
Pay 50–80% less than buying new. Same factory part, much lower price.
Not sure? Ask Wrenchy — Your Parts Assistant.
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Vehicle Fitment Guide
This part fits the following vehicles:
Buick
6 models(tapclick to hide)
Century
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Custom | Sedan | 1998 | V6 3.1L | FWD | Automatic |
| Limited | Sedan | 1998 | V6 3.1L | FWD | Automatic |
Applies to every configuration above: Hollander: CENTURY 98 Electronic Control Module; (6-191, 3.1L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
LeSabre
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Custom | Sedan | 1998 | V6 3.8L | FWD | Automatic |
| Limited | Sedan | 1998 | V6 3.8L | FWD | Automatic |
Applies to every configuration above: Hollander: LESABRE 98 Electronic Control Module; (6-231, 3.8L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Park Avenue
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 1998 | V6 3.8L | FWD | Automatic |
| Ultra | Sedan | 1998 | V6 3.8L Supercharged | FWD | Automatic |
Applies to every configuration above: Hollander: PARK AVENUE 98 Electronic Control Module; (6-231, 3.8L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Regal
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| 25th Anniversary Edition | Sedan | 1998 | V6 3.8L Supercharged | FWD | Automatic |
| GS | Sedan | 1998 | V6 3.8L Supercharged | FWD | Automatic |
| LS | Sedan | 1998 | V6 3.8L | FWD | Automatic |
Applies to every configuration above: Hollander: REGAL 98 Electronic Control Module;; engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Riviera
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Coupe | 1998 | V6 3.8L Supercharged | FWD | Automatic | Hollander: RIVIERA 98 Electronic Control Module; (6-231, 3.8L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314. |
Skylark
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Custom | Sedan | 1998 | V6 3.1L | FWD | Automatic | Hollander: SKYLARK 98 Electronic Control Module; 6-191 (3.1L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314. |
Chevrolet
5 models(tapclick to hide)
Camaro
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Convertible | 1998 | V6 3.8L | RWD | Automatic & Manual |
| Base | Coupe | 1998 | V6 3.8L | RWD | Automatic & Manual |
| Lujo | Coupe | 1998 | V6 3.8L | RWD | Automatic & Manual |
Applies to every configuration above: Hollander: CAMARO 98 Electronic Control Module; 6-231 (3.8L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Lumina
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 1998 | V6 3.1L | FWD | Automatic |
| LS | Sedan | 1998 | V6 3.1L | FWD | Automatic |
| LS | Sedan | 1998 | V6 3.8L | FWD | Automatic |
| LTZ | Sedan | 1998 | V6 3.1L | FWD | Automatic |
| LTZ | Sedan | 1998 | V6 3.8L | FWD | Automatic |
Applies to every configuration above: Hollander: LUMINA CAR 98 Electronic Control Module; (LH engine compartment); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Malibu
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 1998 | V6 3.1L | FWD | Automatic |
| LS | Sedan | 1998 | V6 3.1L | FWD | Automatic |
Applies to every configuration above: Hollander: MALIBU 98 Electronic Control Module; 6-191 (3.1L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Monte Carlo
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| LS | Coupe | 1998 | V6 3.1L | FWD | Automatic |
| Z34 | Coupe | 1998 | V6 3.8L | FWD | Automatic |
Applies to every configuration above: Hollander: MONTE CARLO 98 Electronic Control Module;; engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Venture
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Mini Passenger Van | 1998 | V6 3.4L | FWD | Automatic |
| LS | Mini Passenger Van | 1998 | V6 3.4L | FWD | Automatic |
Applies to every configuration above: Hollander: VENTURE 98 Electronic Control Module; (6-207, 3.4L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Oldsmobile
6 models(tapclick to hide)
88
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Royale | Sedan | 1998 | V6 3.8L | - |
| Royale LS | Sedan | 1998 | V6 3.8L | - |
Applies to every configuration above: FWD | Automatic | engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Achieva
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| S | Sedan | 1998 | V6 3.1L | FWD | Automatic | Hollander: ACHIEVA 98 Electronic Control Module; 6-191 (3.1L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314. |
Alero
1999
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| GL | Coupe | 1999 | V6 3.4L | FWD | Automatic |
| GL | Sedan | 1999 | V6 3.4L | FWD | Automatic |
| GLS | Coupe | 1999 | V6 3.4L | FWD | Automatic |
| GLS | Sedan | 1999 | V6 3.4L | FWD | Automatic |
| GX | Coupe | 1999 | V6 3.4L | FWD | Automatic |
| GX | Sedan | 1999 | V6 3.4L | FWD | Automatic |
Applies to every configuration above: Hollander: ALERO 99 Electronic Control Module; (LH center dash), 3.4L, ID 16236757 | ALERO 99 Electronic Control Module; (LH center dash), 3.4L, ID 9356741 | ALERO 99 Electronic Control Module; (LH center dash), 3.4L, ID 9357440; engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Cutlass
1998-1999
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 1998 | V6 3.1L | FWD | Automatic |
| GLS | Sedan | 1998 - 1999 | V6 3.1L | FWD | Automatic |
| GL | Sedan | 1999 | V6 3.1L | FWD | Automatic |
Applies to every configuration above: Hollander: CUTLASS 98 Electronic Control Module; | CUTLASS 99 Electronic Control Module; (LH center dash), ID 16236757; engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Intrigue
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 1998 | V6 3.8L | FWD | Automatic |
| GL | Sedan | 1998 | V6 3.8L | FWD | Automatic |
| GLS | Sedan | 1998 | V6 3.8L | FWD | Automatic |
Applies to every configuration above: Hollander: INTRIGUE 98 Electronic Control Module;; engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Silhouette
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| GL | Mini Passenger Van | 1998 | V6 3.4L | FWD | Automatic |
| GLS | Mini Passenger Van | 1998 | V6 3.4L | FWD | Automatic |
| GS | Mini Passenger Van | 1998 | V6 3.4L | FWD | Automatic |
| Premiere | Mini Passenger Van | 1998 | V6 3.4L | FWD | Automatic |
Applies to every configuration above: Hollander: SILHOUETTE 98 Electronic Control Module; (LH engine compartment); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Pontiac
5 models(tapclick to hide)
Bonneville
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| SE | Sedan | 1998 | V6 3.8L | FWD | Automatic |
| SSE | Sedan | 1998 | V6 3.8L Supercharged | FWD | Automatic |
| SSE | Sedan | 1998 | V6 3.8L | FWD | Automatic |
| SSEi | Sedan | 1998 | V6 3.8L Supercharged | FWD | Automatic |
Applies to every configuration above: Hollander: BONNEVILLE 98 Electronic Control Module;; engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Firebird
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Convertible | 1998 | V6 3.8L | RWD | Automatic & Manual |
| Base | Coupe | 1998 | V6 3.8L | RWD | Automatic & Manual |
Applies to every configuration above: Hollander: FIREBIRD 98 Electronic Control Module; 6-231 (3.8L); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Grand Am
1998-1999
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| GT | Coupe | 1998 | V6 3.1L | FWD | Automatic & Manual |
| GT | Sedan | 1998 | V6 3.1L | FWD | Automatic & Manual |
| SE | Coupe | 1998 | V6 3.1L | FWD | Automatic & Manual |
| SE | Sedan | 1998 | V6 3.1L | FWD | Automatic & Manual |
| GT | Coupe | 1999 | V6 3.4L | FWD | Automatic |
| GT | Sedan | 1999 | V6 3.4L | FWD | Automatic |
| SE | Coupe | 1999 | V6 3.4L | FWD | Automatic |
| SE | Sedan | 1999 | V6 3.4L | FWD | Automatic |
Applies to every configuration above: Hollander: GRAND AM 98 Electronic Control Module; 6-191 (3.1L) | GRAND AM 99 Electronic Control Module; (LH center dash), 3.4L, ID 16236757 | GRAND AM 99 Electronic Control Module; (LH center dash), 3.4L, ID 9347440 | GRAND AM 99 Electronic Control Module; (LH center dash), 3.4L, ID 9356741 | GRAND AM 99 Electronic Control Module; (LH center dash), 3.4L, ID 9357034 | GRAND AM 99 Electronic Control Module; (LH center dash), 3.4L, ID 9366314; engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Grand Prix
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| GT | Coupe | 1998 | V6 3.8L | FWD | Automatic |
| GT | Sedan | 1998 | V6 3.8L | FWD | Automatic |
| GTP | Coupe | 1998 | V6 3.8L Supercharged | FWD | Automatic |
| GTP | Sedan | 1998 | V6 3.8L Supercharged | FWD | Automatic |
| SE | Sedan | 1998 | V6 3.1L | FWD | Automatic |
| SE | Sedan | 1998 | V6 3.8L | FWD | Automatic |
Applies to every configuration above: Hollander: GRAND PRIX 98 Electronic Control Module;; engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Trans Sport
1998
(tapclick to hide)
Swipe left/right to see more info
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Mini Passenger Van | 1998 | V6 3.4L | FWD | Automatic |
| Montana | Mini Passenger Van | 1998 | V6 3.4L | FWD | Automatic |
Applies to every configuration above: Hollander: TRANS SPORT 98 Electronic Control Module; (LH engine compartment); engine_size: include 3.1L; engine_size: include 3.4L; engine_size: include 3.8L; notes: include For 1999 Alero and Grand Am, fitment is determined by the ID number on the module. This part matches IDs 09356741, 16236757, 9357034, 9357440, and 9366314.
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.
Policies, in plain English.
Shipping & Handling
- Standard shipping: 3-7 business days via UPS Ground
- Parts are carefully packaged to prevent damage during transit
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.
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
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.
Expert Guides
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This guide covers the common failures, programming requirements, and replacement procedure for the engine control module (ECM) in many popular late-90s GM cars and trucks.
Read Full Guide →Related Trouble Codes (OBD-II)
7 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.
P0014
The VVT Code on a Non-VVT Engine
1999-2004 Oldsmobile Alero
P0602
Control Module Programming Error Guide
1999-2004 Oldsmobile Alero
P0604
RAM Error Causes and Fixes
1999-2004 Oldsmobile Alero
P0604
Internal Memory Error Causes and Fixes
1997-2008 Pontiac Grand Prix
P1621
PCM Memory Failure Causes and Fixes
1999-2004 Oldsmobile Alero
U0100
Lost Communication with ECM/PCM Fixes
1999-2005 Pontiac Grand Am
U0100
Lost Communication with ECM/PCM Causes and Fixes
1999-2004 Oldsmobile Alero
↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
Miscellaneous Information
OEM Part Numbers:
GM: 09356741, 16200870, 16236757, 9347440, 9356741, 9357034, 9357440, 9366314, BXAD
Fits Years: 1998 1999
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