Restore Your Vehicle’s Core Performance and Reliability
Is your 1996 GM vehicle suffering from frustrating issues like intermittent stalling, a persistent check engine light, or a complete no-start condition? These are classic signs of a failing Powertrain Control Module (PCM), the central computer of your engine and transmission. This replacement Electronic Control Module, corresponding to part numbers 16211539 and 16231853, is the definitive solution to restore your car’s original performance and dependability. We take the guesswork and hassle out of the repair by programming the module specifically for your vehicle using your VIN. This ensures it arrives with the latest GM software updates, ready for a straightforward installation.
From the Diagnostic Bay: The Ghostly Misfire
A few months back, a 1996 Pontiac Grand Prix came into my shop with a problem that had stumped two other mechanics. The owner described a random, harsh misfire that would appear and disappear without warning, never storing a specific cylinder misfire code. After checking plugs, wires, and injectors, everything seemed fine. On a hunch, I monitored the injector pulse signals directly from the PCM. Sure enough, the signal for cylinder #3 would occasionally drop out. This is a tell-tale sign of a failing injector driver circuit inside the PCM itself—a common issue on these mid-90s GM units. We installed a correctly programmed module, and the ghost was gone. A new 1996 Regal PCM or equivalent for your GM car can solve these deep, electrical gremlins that standard parts-swapping won’t fix.
Is Your Vehicle Showing These Symptoms?
- ✔ Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error) or other communication faults.
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling or rough idling, especially after warming up.
- ✔ Noticeably poor fuel economy and sluggish acceleration.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Intermittent electrical problems that seem to have no other cause.
A Straightforward Guide to Installation
Installing your new 1996 Regal PCM is a manageable job for a confident DIYer. By having the module pre-programmed, you skip the most difficult step requiring specialized dealer tools.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the PCM: On most of these GM models, the PCM is located in the engine bay, typically inside the air filter housing or mounted to the firewall.
- Disconnect Connectors: Carefully release the locking tabs on the electrical wiring harnesses and gently pull them straight out from the module. Avoid forcing them.
- Remove the Old Module: Unbolt the PCM from its mounting bracket and remove it from the vehicle.
- Install the New Module: Secure the new, pre-programmed PCM onto the mounting bracket. Reconnect the wiring harnesses, ensuring they click securely into place.
- Reconnect Battery: Reattach the negative battery terminal.
- Perform Security Relearn: Your vehicle may require a simple security relearn procedure (often called VATS or Pass-Key) to sync the new PCM. This typically involves turning the key to the ‘ON’ position for 10-15 minutes. Consult your vehicle’s specific procedure if needed.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of 1996 General Motors vehicles. It is compatible with service numbers 88963800, 16211539, and 16231853. Please confirm your vehicle is on the list below. Upon purchase, provide your VIN to ensure we load the correct software for your specific engine and options.
- Achieva 96 (3.1L)
- Beretta 96 (3.1L)
- Bonneville 96 (3.8L)
- Century 96 (3.1L)
- Ciera 96 (3.1L)
- Corsica 96 (3.1L)
- Cutlass 96 (3.1L, 3.4L)
- Eighty Eight 96 (3.8L)
- Grand Am 96 (3.1L)
- Grand Prix 96
- LeSabre 96 (3.8L)
- Lumina Car 96 (3.1L, 3.4L)
- Lumina Van 96 (3.4L)
- Monte Carlo 96
- Ninety Eight 96 (3.8L)
- Park Avenue 96 (3.8L)
- Regal 96
- Riviera 96 (3.8L)
- Silhouette 96 (3.4L)
- Skylark 96 (3.1L)
- Trans Sport 96 (3.4L)
Frequently Asked Questions
1996 Regal PCM
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to access the exact GM factory calibration file for your car’s specific engine, transmission, and options. Programming the with this data ensures it works perfectly right out of the box, preventing compatibility issues.