Restore Your Saturn Relay’s Performance and Reliability
If you’re dealing with a frustrating no-start condition, a persistent check engine light, or erratic engine behavior in your 2006 Saturn Relay, a failing Engine Control Module (ECM) is a very likely culprit. As a technician with over two decades of experience under the hood, I’ve seen firsthand how a faulty engine computer can turn a reliable vehicle into a source of constant headaches. The ECM is the brain of your engine, and when it starts to fail, it can cause a cascade of confusing and costly problems. This isn’t just a part; it’s the solution to getting your vehicle back to factory-spec performance and dependability.
This isn’t a generic, one-size-fits-all module. We take the guesswork and extra expense out of the equation by programming this ECM specifically for your vehicle using your VIN. This means it arrives at your door with the latest GM software updates already installed, ready for a straightforward installation. You get a reliable fix that restores communication between all your vehicle’s critical systems, from fuel injection and ignition timing to transmission shifting and emissions control. Stop throwing parts at the problem and address the root cause with a dependable, correctly programmed 2006 Relay Engine Control Module.
A Technician’s Notebook: The Minivan That Wouldn’t Cooperate
I remember a 2006 Saturn Relay that came into the shop on a tow truck. The owner was at his wit’s end. It would start and run fine for days, then suddenly refuse to start at all. He’d already replaced the battery and starter. When we hooked up the scanner, we got intermittent communication loss codes (U0100) with the ECM. After verifying the wiring and power/ground circuits to the module were solid, we knew the internal logic of the ECM was failing. The intermittent nature of the fault was classic ECM failure. We installed a VIN-programmed module, performed the security relearn, and the van started every single time. The owner called a week later, thrilled that his family vehicle was finally reliable again. This is why a quality, pre-programmed part is so critical.
Is Your Saturn Relay Showing These Signs?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, it’s time to consider a replacement:
- âś” Check Engine Light is on with codes like P0601, P0602, P0606 (Internal Controller Failure) or U-series communication codes.
- âś” Engine stalls unexpectedly or runs rough.
- âś” The vehicle cranks but refuses to start (no-start condition).
- âś” Noticeable decrease in fuel economy.
- âś” Harsh or erratic automatic transmission shifting.
- âś” The cooling fans run constantly, even when the engine is cold.
A Straightforward Guide to Installation
Installing your new 2006 Relay Engine Control Module is a manageable job for a DIYer with basic tools. The key is our pre-programming service, which eliminates the most complex step.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes to ensure all systems are powered down.
- Locate the ECM: On the 2006 Saturn Relay, the ECM is found in the left-hand (driver’s side) of the engine compartment.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be released. Once unplugged, unbolt the old module from its mounting bracket.
- Install the New Module: Bolt the new ECM into place and securely reconnect the electrical harnesses. Ensure they click into place.
- Reconnect the Battery: Re-attach the negative battery terminal.
- Perform Security Relearn: This is a crucial final step. Most GM vehicles of this era require a simple procedure: Turn the key to the ‘ON’ position for 10-15 minutes, then turn it ‘OFF’ for 10 seconds. Repeat this cycle 2-3 times. This allows the new ECM to sync with your vehicle’s anti-theft system. Your vehicle should now start and run correctly.
Verified Vehicle Compatibility
This ECM, part number 12630457, is a direct replacement for a wide array of General Motors vehicles. It is interchangeable with service numbers 12590032, 12602044, 12603530, 12605843, 12607096, and 19210737. While it is a perfect fit for the 2006 Relay Engine Control Module, please confirm your vehicle is on the list below. Providing your VIN at checkout is essential to ensure we load the exact software for your specific make, model, and options.
COLORADO 08 Electronic Control Module; (RH firewall)
ENVOY 07-08 Electronic Control Module; 5.3L (LH engine)
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 12607096
G6 09 Electronic Control Module; (LH front engine compartment), 3.6L, ID 19210737
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.5L
XLR 09 Electronic Control Module; (RH front engine compartment), ID 12607096
AURA 08-09 Electronic Control Module; (RH firewall), 2.4L, w/hybrid
DTS 06 Electronic Control Module
DEVILLE 05 Electronic Control Module; (LH engine compartment), ID 12590032
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12605843
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.5L
LACROSSE 08-09 Electronic Control Module; (lower air cleaner housing), 5.3L
STS 06 Electronic Control Module; (LH frame rail), 4.4L
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 12636660
UPLANDER 09 Electronic Control Module; (LH engine compartment), (3.9L)
ISUZU ASCENDER 08 Electronic Control Module; (4.2L, LH engine), ID 19210737
SAAB 9-7X 07 Electronic Control Module; (LH engine), 8 cylinder
TRAILBLAZER 07 Electronic Control Module; (LH engine), 5.3L
ENCLAVE 08 Electronic Control Module; (behind fan shroud), ID 19210737
LUCERNE 08 Electronic Control Module; (lower part of air cleaner box), 4.6L, ID 12607096
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.9L
RAINIER 07 Electronic Control Module; (LH engine), 5.3L
ISUZU ASCENDER 08 Electronic Control Module; (4.2L, LH engine), ID 12607096
CTS 06 Electronic Control Module; (RH engine compartment), V-Series, ID 12603530
STS 08 Electronic Control Module; (LH frame rail), 4.6L
G6 06 Electronic Control Module; (LH front engine compartment), ID 12603530
G6 08 Electronic Control Module; (LH front engine compartment), 3.6L
ION 06 Electronic Control Module; 2.4L (opt LE5)
MALIBU 06 Electronic Control Module; 3.9L
MALIBU 08 Electronic Control Module; new style (emblem in bumper cover), 2.4L, w/hybrid
RELAY 06 Electronic Control Module; (LH engine compartment), 3.9L
VUE 08-09 Electronic Control Module; 2.4L, VIN Z (8th digit, opt LAT)
OUTLOOK 08 Electronic Control Module; (behind fan shroud)
SOLSTICE 06 Electronic Control Module; (LH front frame rail)
VUE 08 Electronic Control Module; 3.6L
VUE 09 Electronic Control Module; 3.6L, VIN 7 (8th digit, opt LY7)
ACADIA 07-08 Electronic Control Module; (behind fan shroud), ID 12607096 (ECM)
AURA 08-09 Electronic Control Module; (RH firewall), 3.6L
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 19210737
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12603530
GRAND PRIX 08 Electronic Control Module; (lower air cleaner box), 5.3L
HHR 06 Electronic Control Module; (LH rear engine compartment), 2.4L
STS 08 Electronic Control Module; (LH frame rail), 4.4L
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12590032
ISUZU I-290 08 Electronic Control Module; (RH firewall)
LUCERNE 06 Electronic Control Module; (lower part of air cleaner box), 4.6L
MALIBU 09-10 Electronic Control Module; 2.4L, w/hybrid
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 19210737
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.9L
MONTANA 06 Electronic Control Module; (LH engine compartment), (SV6), 3.9L
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 19210737
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 12636660
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12602044
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 12607096
TRAILBLAZER 09 Electronic Control Module; (LH engine), 4.2L
CANYON 08 Electronic Control Module; (RH firewall)
COBALT 06 Electronic Control Module; (LH front engine compartment), 2.4L (VIN B, 8th digit, 4-146)
ISUZU I-370 08 Electronic Control Module; (RH firewall)
MALIBU 09 Electronic Control Module; 3.6L
SRX 08 Electronic Control Module; (LH engine compartment), (4.6L)
SAAB 9-7X 08 Electronic Control Module; (LH engine), 5.3L
ENCLAVE 08 Electronic Control Module; (behind fan shroud), ID 12607096
G6 09 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12607096
IMPALA 08-09 Electronic Control Module; (lower part of air cleaner box), 5.3L
XLR 06 Electronic Control Module; (RH front engine compartment), 4.4L
XLR 08 Electronic Control Module; (RH front engine compartment)
ENVOY 09 Electronic Control Module; (LH engine), 4.2L
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12607096
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12618163
LUCERNE 08 Electronic Control Module; (lower part of air cleaner box), 4.6L, ID 19210737
MONTANA 08-09 Electronic Control Module; (LH engine compartment)
PURSUIT 06 Electronic Control Module; (LH front engine compartment), 2.4L
VUE 10 Electronic Control Module; 3.6L
ACADIA 08 Electronic Control Module; (behind fan shroud), ID 19210737 (PCM)
DTS 08 Electronic Control Module
TERRAZA 06 Electronic Control Module; (LH engine compartment), 3.9L
TRAILBLAZER 07 Electronic Control Module; (LH engine), 6.0L
SAAB 9-7X 08 Electronic Control Module; (LH engine), 6.0L
HUMMER H3 08 Electronic Control Module; (RH firewall)
MALIBU 08 Electronic Control Module; new style (emblem in bumper cover), 3.6L
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 12607096
UPLANDER 06 Electronic Control Module; (LH engine compartment), 3.9L
Do I need to program or flash this module?
Do I need to program or flash this module?
No. We handle all the programming for you before we ship the part. Simply provide your vehicle’s VIN during checkout, and we will load the latest, most stable GM software specific to your vehicle. It arrives ready to install.
Where do I find my vehicle’s VIN?
Do I need to program or flash this module?
No. We handle all the programming for you before we ship the part. Simply provide your vehicle’s VIN during checkout, and we will load the latest, most stable GM software specific to your vehicle. It arrives ready to install.
Will this fix my check engine light?
Do I need to program or flash this module?
No. We handle all the programming for you before we ship the part. Simply provide your vehicle’s VIN during checkout, and we will load the latest, most stable GM software specific to your vehicle. It arrives ready to install.
Is this part difficult to install myself?
Do I need to program or flash this module?
No. We handle all the programming for you before we ship the part. Simply provide your vehicle’s VIN during checkout, and we will load the latest, most stable GM software specific to your vehicle. It arrives ready to install.