2007 – 2011 Chevrolet HHR Powertrain Control Module (PCM) 12618028 – Programmed to Your VIN

Struggling with erratic engine performance in your 2007-2011 Chevrolet HHR? Imagine cruising down the highway when suddenly your vehicle hesitates, the check engine light flares up, and you’re left wondering if it’s safe to keep driving. As a seasoned automotive repair advisor with over two decades in diagnostics, I’ve seen this scenario play out countless times—often tracing back to a faulty Powertrain Control Module (PCM). This pre-programmed PCM, part number 12618028, is your reliable solution, flashed with the latest GM updates using your VIN for a perfect match. It’s designed to restore smooth operation and prevent those frustrating breakdowns.

Key Features & Benefits

This PCM arrives ready to install, programmed specifically for your HHR based on your provided VIN. It supports service numbers like 12612397, 12594750, 12597125, 12629019, 12635902, and 12611549, ensuring broad compatibility while delivering GM’s newest software enhancements for better fuel efficiency and emissions control.

• Enhanced Reliability: Fixes intermittent stalling and improves throttle response, ideal for daily commutes or light hauling.
• Latest GM Updates: Incorporates fixes for known software glitches, boosting overall drivability without the hassle of dealership visits.
• Direct Fit: Matches your vehicle’s specs, reducing diagnostic time and getting you back on the road faster.
• Cost-Effective Repair: Avoids expensive towing fees by addressing root causes like poor sensor communication.

In my experience, owners of 2007-2011 HHR models often report better mileage after installing a freshly programmed unit—sometimes gaining 1-2 MPG on highway drives.

Common Issues & How This Fixes Them

Picture this: You’re starting your HHR on a cold morning, and it cranks but won’t fire up, throwing a P0606 code for PCM processor faults. Or perhaps random misfires (P0300) make acceleration feel sluggish during city traffic. These symptoms stem from degraded internal components or outdated firmware in the original module.

This programmed PCM resolves them by recalibrating engine parameters. For instance, if water intrusion from a leaky seal has corrupted the unit—common in HHRs exposed to harsh weather—it replaces the damaged module with one that’s updated to handle moisture better. Another frequent headache is erratic shifting in automatic transmissions, linked to P0700 codes; the new software optimizes communication between engine and transmission controls.

• No-Start Conditions: Clears faults by resetting adaptive learning and sensor data.
• Check Engine Light Triggers: Addresses DTCs like P0128 for thermostat issues or P0420 for catalytic converter efficiency.
• Fuel System Problems: Improves injector timing to fix lean conditions (P0171), enhancing power delivery.

From my shop days, I’ve helped HHR drivers avoid repeat visits by opting for a VIN-specific PCM— it not only fixes the immediate problem but prevents cascading failures in related systems.

Easy Installation Guide

Swapping the PCM in your 2007-2011 HHR is straightforward for DIY enthusiasts, taking about 30-45 minutes with basic tools. Always disconnect the battery first to avoid electrical shorts.

1. Locate the module in the left rear engine compartment.
2. Remove connectors and mounting bolts carefully.
3. Install the new PCM, reconnect everything, and clear codes with an OBD-II scanner.
4. Test drive to confirm smooth operation; no relearning procedure needed since it’s pre-flashed.

Pro tip: If you’re not comfortable, a local mechanic can handle it for under $100 in labor. Remember, provide your VIN post-purchase for precise programming before shipment.

Fitment Details

This PCM is tailored for 2007-2011 Chevrolet HHR models with 2.2L or 2.4L engines, positioned in the left rear engine compartment. It also fits a range of other GM vehicles for versatile use:

• Chevrolet Silverado 1500 (2007-2009, 4.3L, various locations)
• Chevrolet Malibu (2007-2012, 2.2L, 2.4L, 3.5L options)
• Chevrolet Express 1500 Van (2008-2009, 4.3L)
• Pontiac G6 (2008-2010, 2.4L)
• Saturn Aura, Vue, Sky, and more (2008-2010, specific 2.4L configs)
• Other models like Cobalt, G5, Impala, Lucerne, Solstice, Sierra 1500, Savana 1500.

Compatible with: 2007 – 2011 Chevrolet HHR

Verify part numbers; provide VIN for confirmation. Don’t let PCM troubles sideline your HHR—order now and experience reliable performance. Act today to get back that confident drive!