Restore Peak Performance to Your 2006 Chevy HHR
Is your 2006 Chevy HHR frustrating you with a persistent Check Engine Light, rough idling, stalling, or poor fuel economy? These are classic signs of a failing Engine Control Module (ECM), the computer that serves as your vehicle’s brain. When it starts to malfunction, it can cause a host of confusing and performance-robbing issues. This isn’t just an annoyance; it’s a critical component failure that affects your vehicle’s reliability and safety. Don’t let a faulty ECM keep you off the road or force you into an expensive and time-consuming visit to the dealership.
We offer a direct, reliable solution. This Engine Control Module, compatible with part number 12602044, is professionally programmed with the latest GM-certified software updates specifically for your vehicle’s VIN. This means you’re not just getting a replacement part; you’re getting a component optimized for your exact vehicle configuration, ensuring proper communication between all systems, from the engine and transmission to the fuel and ignition. This is the key to a lasting, effective repair for your 2006 HHR Engine Control Module.
Case Study: A Tricky Diagnosis
A few months back, a 2006 HHR with the 2.4L engine was brought into my shop. The owner was at his wit’s end. The car had an intermittent no-start condition that no one could pin down. It would work fine for days, then refuse to crank. The battery was new, the starter checked out, and there were no consistent diagnostic trouble codes. After hooking up my professional scan tool, I noticed that during the no-start events, the tool would lose communication with the ECM entirely. This pointed directly to an internal failure in the module. We replaced the original unit with one of our VIN-programmed ECMs. The swap took less than 30 minutes, and the car has started reliably ever since. It’s a perfect example of how a faulty 2006 HHR Engine Control Module can create baffling electrical gremlins.
Is Your HHR Showing These Red Flags?
A failing ECM can manifest in numerous ways. If you’re experiencing any of the following, your engine computer is the likely culprit:
- ✔ Persistent Check Engine Light (CEL)
- ✔ Stored diagnostic trouble codes (DTCs) like P0601, P0606, or U0100
- ✔ Unexplained drop in fuel efficiency
- ✔ Engine stalling, stumbling, or hesitating during acceleration
- ✔ Rough or erratic idling
- ✔ Hard starting or no-start conditions
- ✔ Transmission shifting issues or harsh shifts
- ✔ Loss of communication with your OBD-II scan tool
A Straightforward Guide to Installation
One of the biggest benefits of our service is simplicity. Because the module arrives programmed, you can avoid a trip to the dealer. For the 2006 HHR, the ECM is located in the left-hand rear of the engine compartment, making it reasonably accessible for a DIYer.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes for the system capacitors to discharge.
- Locate the ECM: On your HHR, find the module in the rear driver’s side of the engine bay.
- Disconnect Connectors: Carefully unclip the wiring harness connectors from the old module. There are typically release tabs that need to be pressed or lifted. Avoid forcing them.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket.
- Install the New Module: Bolt your new, pre-programmed ECM into place.
- Reconnect Everything: Securely plug the wiring harnesses into the new module. You should hear a click. Reconnect the negative battery terminal.
- Final Check: Start the vehicle. It may take a moment to idle smoothly as it completes its internal checks. In some cases, a security relearn procedure may be required, which typically involves cycling the key and can be done without any special tools.
Verified Vehicle Compatibility
This ECM is a direct replacement for service number 12602044 and is also interchangeable with 12590032, 12603530, 12605843, 12607096, 12630457, and 19210737. It fits a wide range of GM vehicles. Please confirm your specific model and options below. Providing your VIN at checkout is essential to guarantee we send you a perfectly matched and programmed 2006 HHR Engine Control Module.
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
How does the VIN programming work?
How does the VIN programming work?
It’s simple. After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this number to access the latest official GM software and flash the module specifically for your car’s factory settings and options. This ensures it works correctly right out of the box.
Will I need to have a dealer perform any additional steps?
How does the VIN programming work?
It’s simple. After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this number to access the latest official GM software and flash the module specifically for your car’s factory settings and options. This ensures it works correctly right out of the box.
How do I find the service number on my old ECM?
How does the VIN programming work?
It’s simple. After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this number to access the latest official GM software and flash the module specifically for your car’s factory settings and options. This ensures it works correctly right out of the box.
Is this a reliable, long-term fix?
How does the VIN programming work?
It’s simple. After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this number to access the latest official GM software and flash the module specifically for your car’s factory settings and options. This ensures it works correctly right out of the box.