If your 2008 Isuzu I-370 is experiencing frustrating issues like a persistent check engine light, erratic engine behavior, stalling, or a complete no-start condition, a failing Engine Control Module (ECM) is often the culprit. As the central computer of your truck, the ECM manages everything from fuel injection and ignition timing to transmission shifting. When it falters, the symptoms can be widespread and difficult to diagnose. This isn’t just an inconvenience; it’s a critical failure that compromises your truck’s performance and reliability.
We offer a dependable and straightforward solution: a replacement Engine Control Module, part number 12607096, that arrives at your door fully programmed for your specific vehicle. Before we ship, our technicians use your truck’s Vehicle Identification Number (VIN) to flash the module with the latest, most stable software updates directly from GM. This crucial step ensures perfect compatibility and resolves many of the underlying software bugs that may have contributed to the original failure. You get a part that is truly plug-and-play, eliminating the need for an expensive trip to the dealership for programming.
Is Your Truck Showing These Symptoms?
- ✔ Persistent Check Engine Light (CEL) that won’t clear.
- ✔ Engine cranks but refuses to start.
- ✔ Rough idling, stalling, or hesitation during acceleration.
- ✔ Noticeable decrease in fuel economy.
- ✔ Communication error codes, such as U0100 (Lost Communication With ECM/PCM).
- ✔ Internal processor failure codes like P0601, P0602, or P0606.
- ✔ Seemingly random electrical or transmission issues.
A Technician’s Notebook
I remember a 2008 Isuzu I-370 that came into the shop with a classic intermittent no-start. The owner had already replaced the battery and checked the starter. The scan tool would sometimes connect to the ECM, and other times it wouldn’t—a dead giveaway for a communication breakdown. We found a U0100 code stored. After verifying the power and ground circuits to the ECM were solid, we knew the module itself was failing internally. The heat and vibration on the firewall had taken their toll. Installing a VIN-programmed ECM like this one had the truck running perfectly in under 30 minutes. It’s a common failure, and this is the right fix.
Your Straightforward Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- ✔ Locate the ECM: On the 2008 Isuzu I-370, the Engine Control Module is typically mounted to the right-hand (passenger side) firewall in the engine bay.
- ✔ Disconnect Connectors: Carefully unclip the wiring harness connectors from the old ECM. There are usually release tabs that need to be pressed or lifted. Avoid pulling on the wires themselves.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the mounting hardware as you will reuse it.
- ✔ Install the New Module: Mount your new, pre-programmed ECM onto the bracket and secure it with the original hardware.
- ✔ Reconnect Everything: Firmly plug the wiring harnesses into the new module until they click into place. Reconnect the negative battery terminal.
- ✔ Final Step: Start the engine. In most cases, the vehicle will start and run correctly immediately. Some vehicles may require a simple security relearn procedure, which can be found in your owner’s manual or online.
Verified Vehicle Compatibility
This ECM is a direct replacement for service number 12607096 and is also interchangeable with part numbers 12590032, 12602044, 12603530, 12605843, 12630457, and 19210737. It fits a wide range of GM vehicles. Please verify your part number or match your vehicle from the list below:
ISUZU:
I-290 08 (RH firewall)
I-370 08 (RH firewall)
ASCENDER 08 4.2L (LH engine), ID 19210737 or 12607096
CHEVROLET:
COLORADO 08 (RH firewall)
CANYON 08 (RH firewall)
COBALT 06 2.4L
HHR 06 2.4L
IMPALA 06 3.5L/3.9L; 08-09 5.3L
MALIBU 06 3.9L; 08-10 2.4L Hybrid; 08 3.6L; 09 3.6L
MONTE CARLO 06 3.5L/3.9L
TRAILBLAZER 07 5.3L/6.0L; 08-09 4.2L/5.3L
GMC / BUICK / CADILLAC:
ACADIA 07-08 (behind fan shroud)
ALLURE 08-09 5.3L
CTS 06 V-Series
DEVILLE 05 (LH engine compartment)
DTS 06, 08
ENCLAVE 08 (behind fan shroud)
ENVOY 07-08 5.3L; 08-09 4.2L
LACROSSE 08-09 5.3L
LUCERNE 06, 08 4.6L
RAINIER 07 5.3L
SRX 08 4.6L
STS 06 4.4L; 08 4.4L/4.6L
XLR 06 4.4L; 08-09
PONTIAC / SATURN / SAAB / HUMMER:
AURA 08-09 2.4L Hybrid/3.6L
G6 06-09 3.6L; 07-09 (check ID)
GRAND PRIX 08 5.3L
ION 06 2.4L
MONTANA 06, 08-09 3.9L
OUTLOOK 08 (behind fan shroud)
PURSUIT 06 2.4L
RELAY 06 3.9L
SOLSTICE 06
TERRAZA 06 3.9L
UPLANDER 06, 08-09 3.9L
VUE 08-10 2.4L/3.6L
SAAB 9-7X 07-08 8-cyl/6.0L
HUMMER H3 08 (RH firewall)
Frequently Asked Questions
Q: What do you mean by ‘programmed to my VIN’?
A: We load your vehicle’s specific factory software and calibrations onto the ECM using your VIN. This makes the module recognize your truck’s engine, transmission, and options, allowing it to work correctly right out of the box without requiring a trip to a dealer for expensive programming.
Q: What happens if I forget to provide my VIN?
A: The programming service is included in the price and is essential for the part to function. We will contact you after your purchase to request the VIN. We cannot ship the module until we have programmed it, which prevents you from receiving a non-functional part.
Q: Is this a simple plug-and-play installation?
A: Yes, for most vehicles on the fitment list. Once programmed to your VIN, you simply disconnect the old ECM and connect this new one. Some vehicles may require a quick, tool-free security relearn procedure that takes about 10-15 minutes. We can provide instructions if needed.
Q: Does this ECM have the latest software?
A: Absolutely. We always flash the module with the most current and stable software version available from GM for your specific VIN. This helps to correct factory bugs and improve overall engine performance and reliability.