1998 Chrysler Concorde PCM: Replacement & Programming Guide
The Powertrain Control Module on this 1998 Chrysler Concorde with the 3.2L V6 engine manages fuel delivery, ignition timing, emissions systems, and transmission shift points. Internal processor failures often stem from voltage spikes, corrupted memory, or overheating.
Quick Summary
- The 1998 Chrysler Concorde uses a PCM that controls engine and transmission functions
- Module failure often sets internal fault codes including P0600, P0601, and P1698
- Replacement requires reprogramming with the original VIN and mileage
- Factory procedure uses the DRB scan tool for post-install programming
- Flagship One replacement units arrive pre-programmed with your vehicle’s VIN
If your 1998 Chrysler Concorde has stopped running or developed intermittent stalling issues, the Powertrain Control Module may be the culprit. The PCM serves as the brain of your 3.2L engine, coordinating multiple subsystems to maintain proper operation. This guide explains what the module does, where it is located, and what the replacement process involves. You will learn the factory-recommended programming procedure and understand why a properly programmed replacement is essential for getting your vehicle back on the road.
What the PCM Does in a 1998 Chrysler Concorde
The Powertrain Control Module in your 1998 Chrysler Concorde acts as the central computer for the powertrain, processing input from dozens of sensors to control fuel injection, idle speed, emissions, and automatic transmission shifting. It stores the vehicle identification number and odometer reading in permanent memory, and it monitors the California emissions compliance through the on-board diagnostics system. When this module fails internally, you may experience no-start conditions, random stalling, or harsh transmission shifts. The module also manages the speed control servo, which controls cruise control operation. Replacement requires either a new or refurbished unit, and you must transfer the original identification data to the new computer to ensure the vehicle operates correctly. Finding replacement engine computers for the Concorde requires matching the correct part number to your specific model year.
Flagship One keeps Chrysler Concorde replacement engine computers in stock for exactly this failure pattern.
Where the PCM Is Located and What Replacement Involves
The Powertrain Control Module on this vehicle is located in the passenger-side front corner of the engine compartment, near the firewall. Access requires removing the air intake duct and the PCM mounting bracket. The replacement process involves disconnecting the negative battery cable first, then unplugging the three electrical connectors from the module. The old unit is unbolted and removed, and the new unit is installed in reverse order. According to factory labor guidelines, the remove-and-replace procedure books at 0.4 hours, while the post-replacement relearn procedure requires an additional 0.5 hours. After installation, you must reconnect the battery and program the new module with the original vehicle identification number and mileage using the DRB scan tool.
How to Reach the PCM on the 1998 Chrysler Concorde
- Remove speed control servo and bracket and reposition out of the way ei.
- Remove washer bottle filler neck.
- Remove Transmission Control Module (TCM) reposition out of the way.
- Remove PCM Disconnect PCM 2 40-way connector.
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 | 0.4 hr |
| Engine Control Module Relearn | All configurations | 0.5 hr |
| Engine Control Module R&R | All configurations | 0.4 hr |
Programming Requirements After Replacement
After installing a replacement PCM in your 1998 Chrysler Concorde, the factory procedure requires connecting the DRB scan tool to reprogram the new module with your vehicle’s original identification number and the original odometer reading. This step is critical because the module stores this data for emissions compliance and anti-theft purposes. You also need to reinstall the speed control servo and bracket if removed, tighten all fasteners to specification, reconnect the negative battery cable, and then reprogram the radio and clock. Flagship One sends you a VIN-programmed replacement unit, which means the original identification number and mileage are pre-loaded before shipment. This eliminates the need for you to perform the DRB programming steps yourself, saving the 0.5-hour relearn labor time.
Every VIN-programmed replacement unit from Flagship One arrives with these steps already completed.
Symptoms of a Failing PCM
When the Powertrain Control Module fails on this vehicle, common symptoms include a no-start condition where the engine cranks but will not run, intermittent stalling especially at idle, and rough running that may set multiple diagnostic trouble codes. You may notice the scan tool cannot communicate with the module, or the transmission may shift harshly or get stuck in one gear. The check engine light typically illuminates, and you may see fault codes related to internal module errors. Code P0601 indicates internal memory check sum failure, which often prevents the engine from starting. Other associated codes that may appear include P0600, P0622, P1682, P1683, P1685, P1686, P1687, P1695, P1696, P1697, and P1698, all pointing to various internal PCM faults.
Module Trouble Codes on the 1998 Chrysler Concorde
This vehicle is known to set multiple module-internal trouble codes when the PCM develops internal failures. These codes indicate various memory, communication, and processor issues within the control module itself rather than sensor or actuator problems.
| Code | Meaning | Full Guide |
|---|---|---|
| P0600 | Module-internal fault | Full P0600 guide → |
| P0601 | Internal memory checksum error | Full P0601 guide → |
| P0622 | Module-internal fault | Full P0622 guide → |
| P0645 | Module-internal fault | Full P0645 guide → |
| P1682 | Module-internal fault | Full P1682 guide → |
| P1683 | Control module fault | Full P1683 guide → |
| P1685 | Module-internal fault | — |
| P1686 | Module-internal fault | — |
| P1687 | Module-internal fault | — |
| P1695 | Module-internal fault | — |
| P1696 | Module-internal fault | — |
| P1697 | Module-internal fault | — |
Factory Service Bulletins Worth Knowing
Chrysler issued recall Rc-814-99 for California emissions, requiring a PCM reprogram to address specific emissions control faults on affected vehicles. Additionally, service bulletin #18-037-05 covers flash programming failure recovery using the DRBIII scan tool, providing a procedure to recover from programming errors if the initial flash attempt fails. Both bulletins relate to the PCM programming process and are relevant when performing replacement or reprogramming on this vehicle.
| Bulletin | Subject | What It Addresses |
|---|---|---|
| — | Rc-814-99 California Emissions Recall #814 — Reprogram Powertrain Control Module | — |
| 18-037-05 | 18-037-05 Flash Programming Failure Recovery Using DRBIII® | — |
Protecting the PCM in Your 1998 Chrysler Concorde
- Maintain the charging system by keeping the battery terminals clean and the alternator producing proper voltage
- Ensure all ground connections to the PCM and engine are secure and free of corrosion
- Avoid jump-starting the vehicle from another car, as voltage spikes can damage the module’s internal circuits
- Address diagnostic trouble codes promptly rather than driving with known faults
- Inspect and maintain the PCM connector seals to prevent moisture intrusion
- Keep the engine cooling system functioning properly to avoid PCM overheating
Frequently Asked Questions
Will any used PCM work in my 1998 Chrysler Concorde?
No. The replacement PCM must be programmed with your specific vehicle identification number and mileage, or the vehicle will not run properly. Using an unprogrammed unit will leave you stranded.
Can I drive my Concorde with a failing PCM?
Driving with a compromised PCM is not recommended. The vehicle may stall unexpectedly, fail to start, or experience transmission shifting problems that could create a safety hazard on the road.
Do I need to visit a dealer for programming after replacing the PCM?
If you purchase a pre-programmed replacement from Flagship One, the VIN and mileage are already loaded, so dealer programming is not required. However, you will still need to perform the relearn procedure using a scan tool.
When your 1998 Chrysler Concorde requires a new PCM, you have two primary options: purchasing a brand-new unit from the dealer at significantly higher cost, or choosing a quality refurbished replacement that arrives pre-programmed with your VIN. The refurbished route typically saves hundreds of dollars while providing a reliable solution. Flagship One specializes in engine computers for this model and ships each unit programmed to your specific vehicle identification data, so installation is straightforward.
Flagship One stocks a refurbished, VIN-programmed PCM for the 1998 Chrysler Concorde with a lifetime warranty, free shipping and no core charge. The full Chrysler Concorde module lineup covers other engine configurations as well.
Final Thoughts
Replacing the Powertrain Control Module on your 1998 Chrysler Concorde is a straightforward repair once you understand the programming requirements. Whether you handle the installation yourself or rely on a professional, ensuring the new module has the correct VIN and mileage is essential for proper operation. Flagship One provides pre-programmed replacement units that eliminate the most complex step of this repair.