In the 1996 Chrysler New Yorker, the Powertrain Control Module (PCM) controls fuel injection, ignition timing, and emissions. When the PCM fails, it can cause misfires, reduced power, or a malfunction indicator light.
If you own a 1996 Chrysler New Yorker, you might notice that the engine behaves oddly after a power loss or a jump‑start. These symptoms often point to the Powertrain Control Module needing a reset or replacement. The PCM manages fuel delivery, ignition timing, and emission control, so when it’s out of sync, the vehicle can stall, misfire, or refuse to start. This guide walks you through the steps to replace or reset the PCM, how to reprogram it, and what to watch for in terms of symptoms and factory recalls. By following these procedures, you can restore reliable operation without unnecessary downtime.
The Powertrain Control Module in the 1996 Chrysler New Yorker is the brain that governs fuel injection, ignition timing, and emissions control. It reads input from sensors such as the throttle position, crankshaft position, and engine temperature, and then calculates the correct fuel‑air mixture and ignition timing to keep the engine running efficiently. A malfunctioning PCM can lead to poor fuel economy, rough idle, or a check‑engine light. When the PCM is replaced, a relearn procedure must be performed so the new module can calibrate itself to the vehicle’s specific engine and transmission characteristics. This relearn is critical because it ensures the engine runs smoothly after the PCM change. replacement engine computers for the 1996 Chrysler New Yorker for the correct application.
The Powertrain Control Module is located next to the air cleaner assembly on the passenger side of the engine compartment. To access it, remove the air cleaner cover and detach the module’s electrical connector. The replacement module is fitted in the same position, and the connector is re‑attached. The relearn or reset process takes about 0.5 hours for a PCM replacement and 0.3 hours for an ECM reset. No special tools or torque specifications are required beyond the standard service procedures.

Work with the ignition off, and treat the module as static-sensitive: avoid touching the connector pins at any point.
| Operation | Configuration | Book Time |
|---|---|---|
| Powertrain Control Module Relearn | All configurations | 0.5 hr |
| Powertrain Control Module R&R | All configurations | 0.5 hr |
| Engine Control Module Relearn | All configurations | 0.5 hr |
| Engine Control Module Reset | All configurations | 0.3 hr |
| Engine Control Module R&R | All configurations | 0.5 hr |
After installing the new PCM, the factory procedure requires a relearn of the fuel system and ignition timing to match the vehicle’s parameters. However, Flagship One units arrive VIN‑programmed, so the relearn step is already completed. This means you can connect the new module and drive the vehicle without performing the manual relearn. a VIN-programmed replacement unit for the correct application.
When the PCM in a 1996 Chrysler New Yorker fails, you might see a check engine light, rough idle, stalling at low speeds, or a sudden loss of power. The engine may also misfire or refuse to start altogether. If the check engine light displays a P0601 code, it indicates a malfunctioning PCM that can be addressed with a reset or replacement. The PCM’s loss of communication with the rest of the vehicle can also result in the scanner showing no codes or a dead communication signal.
| Bulletin | Subject | What It Addresses |
|---|---|---|
| — | Rc-678-96 California Emissions Recall #678 — Reprogram Powertrain Control Module | — |
| 18-35-96 | 18-35-96 Erroneous MIL Illumination With Hex Code $58, Elimination Of PCM Reset | — |
| 18-037-05 | 18-037-05 Flash Programming Failure Recovery Using DRBIII® | — |
The replacement itself is about 0.5 hours, but you should also factor in the time needed for the relearn procedure, which is typically an additional 0.5 hours if you are performing it manually.
A standard OBD‑II scan tool with PCM programming capabilities is sufficient. The factory procedure uses the vehicle’s own diagnostics software to carry out the relearn.
Skipping the relearn can lead to incorrect fuel and timing settings, causing rough idle, misfire, or reduced fuel economy until the module is properly calibrated.
A sudden surge from a jump‑start can create a voltage spike that may stress the PCM. Using a proper jump‑starter with a surge suppressor helps mitigate this risk.
The module’s connectors are exposed to the air cleaner assembly, so moisture and debris can cause corrosion. Regular cleaning of the connector area keeps the PCM reliable.
If you’re experiencing PCM‑related issues in your 1996 Chrysler New Yorker, you can opt for a quick repair that includes a reset or choose a refurbished replacement that comes already VIN‑programmed. Either choice will restore dependable performance without lengthy downtime.

Flagship One stocks a refurbished, VIN-programmed PCM for the 1996 Chrysler New Yorker with a lifetime warranty, free shipping and no core charge. The full Chrysler New Yorker module lineup covers other engine configurations as well.
Whether you choose to reset or replace the PCM in your 1996 Chrysler New Yorker, following the proper procedure will help you maintain smooth operation. Keep an eye on your vehicle’s engine performance and address any warning lights promptly to stay ahead of potential issues.