Is Your Chevrolet SSR Running Rough? The PCM Might Be the Culprit.
The Powertrain Control Module, or PCM, is the electronic brain of your 2006 Chevrolet SSR. It’s responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When this critical component begins to fail, it can cause a cascade of frustrating and often difficult-to-diagnose problems. If you’re experiencing erratic engine behavior, poor fuel economy, or a persistent check engine light, you may need a replacement 2006 SSR PCM.
This listing is for a direct-fit replacement Powertrain Control Module, service number 12573503. To ensure a seamless installation and restore your vehicle’s factory performance, we program each module to your specific Vehicle Identification Number (VIN) before it ships. This process loads the latest GM-certified software updates, ensuring optimal performance and compatibility. No expensive trips to the dealership for programming are required.
From the Diagnostic Bay
We once had a 2006 SSR come into the shop with a mysterious intermittent stalling issue. The owner had already replaced the spark plugs, ignition coils, and even the fuel pump, but the problem persisted. After hooking up our diagnostic scanner, we noticed erratic data readings from the crankshaft position sensor, but the sensor itself tested fine. After hours of chasing wires, we decided to inspect the PCM. We found subtle signs of internal corrosion on the main board, likely from moisture intrusion over the years. We installed a VIN-programmed PCM, and the truck ran perfectly. It’s a classic case of symptoms pointing to one thing, while the root cause lies with the vehicle’s central computer.
Common Symptoms of a Failing 2006 SSR PCM
- ✔ Check Engine Light: The most common indicator, often with communication-related trouble codes (U-codes) or multiple, seemingly unrelated sensor codes.
- ✔ Engine Stalling or Misfiring: The engine may stall unexpectedly while driving or at idle, and you might experience rough running or misfires.
- ✔ No-Start Condition: The engine cranks but refuses to start, indicating a potential failure in ignition or fuel control signals from the PCM.
- ✔ Poor Fuel Economy: A faulty module can’t efficiently manage the air-fuel mixture, leading to a noticeable drop in MPG.
- ✔ Harsh or Erratic Shifting: The PCM also controls the transmission, and a failure can result in delayed, hard, or incorrect gear shifts.
- ✔ Intermittent Electrical Issues: Gauges on the dashboard may behave erratically or other electronic systems might fail intermittently.
Guaranteed Compatibility and Simple Installation
This module is a direct replacement for several service numbers, ensuring a perfect fit for your vehicle. It is compatible with service numbers 12573503, 12562481, 12571591, and 12573650. While primarily for the 2006 SSR, this part also fits a range of other GM vehicles, including:
- Chevrolet SSR: 2006 (located next to the air box)
- Cadillac DeVille: 2000-2003 (located in the LH engine compartment)
- Cadillac Eldorado: 2000-2002 (located in the LH engine compartment)
- Cadillac Seville: 2000-2003 (located in the LH engine compartment)
- Oldsmobile Aurora: 2001-2003 (located in the LH engine compartment)
Installation is straightforward for a DIY mechanic. After disconnecting the battery, simply locate your old PCM, disconnect the wiring harnesses, unbolt the module, and install the new one in its place. Once installed, a simple security relearn procedure (often called a key-cycle relearn) may be required to sync the new module with your vehicle’s anti-theft system. This procedure typically does not require any special tools.
The VIN Programming Advantage
Don’t settle for a generic, unprogrammed module that will require an expensive visit to a mechanic or dealership. We take the guesswork and extra cost out of the equation. By providing your VIN during checkout, you receive a 2006 SSR PCM that is truly ready for installation. This critical step ensures all vehicle-specific options and parameters are correctly configured, restoring the precise performance and reliability your vehicle had when it left the factory.
Frequently Asked Questions
Do I need to get this PCM programmed?
No. We handle all the programming for you before shipping. Simply provide your vehicle’s VIN when you place your order, and the module will arrive with the latest GM software, configured specifically for your vehicle.
Where is the PCM located on my 2006 SSR?
On the 2006 Chevrolet SSR, the Powertrain Control Module is located in the engine bay, right next to the air filter box.
Will this fix my check engine light?
If the check engine light is on due to a faulty PCM, this replacement part will solve the issue. However, it’s essential to properly diagnose the vehicle first, as the light can be triggered by many other components like sensors or wiring issues.
What is the security relearn procedure?
The security relearn, or key-cycle relearn, is a simple process that syncs the new PCM to your vehicle’s anti-theft system. It typically involves turning the key to the ‘ON’ position for 10-15 minutes, then ‘OFF’ for a few seconds, and repeating this cycle three times. Specific instructions for your vehicle can be easily found online.
Is this compatible with part number 12562481?
Yes. This module, service number 12573503, is a fully compatible replacement for service numbers 12562481, 12571591, and 12573650, among others. It is a direct-fit, updated component.