Ford APIM and Jeep WCM Adventure [E173]

Thanks to our Partner, NAPA Autotech

In this episode, Matt Fanslow dives into two detailed vehicle diagnostic and repair stories, highlighting the challenges and solutions involved in modern automotive repair. The episode is packed with technical insights, troubleshooting tips, and lessons learned from real-world scenarios.

Key Topics Covered:

2013 Ford Edge SYNC System Connectivity Issue

Problem: Intermittent cell phone disconnection from the SYNC system.

Diagnostic Process:

No DTCs (Diagnostic Trouble Codes) found.

Matt linked his phone to the system and tested it without issues.

Discovered the Accessory Protocol Interface Module (APIM) had never been updated since the vehicle was manufactured.

Challenges:

Attempted to update the APIM using Ford’s FDRS (Ford Diagnostic and Repair System).

Encountered issues with a USB driver link and access problems.

After multiple attempts, the SYNC system displayed a black screen.

Resolution:

Successfully updated the APIM after performing a capacitive discharge (CD) and updating the Front Control Interface Module (FCIM).

Verified the update through Ford’s SYNC website and Motorcraft service.

The client confirmed the connectivity issues were resolved.

Takeaway: Always verify software updates and be prepared for unexpected challenges during programming. Persistence and proper tools are key.

2014 Jeep Grand Cherokee Wireless Control Module (WCM) Replacement

Problem: After replacing the WCM, the shop couldn’t add keys to the system.

Diagnostic Process:

The shop used an aftermarket scan tool and a dealer-provided PIN code to replace the WCM.

Attempted to add keys but failed, suspecting the keys were locked.

Matt suggested trying an aftermarket key, which was successfully added, making the vehicle drivable.

Challenges:

Discovered the PIN code provided by the dealer was incorrect.

The Passive Entry Module (PEM) required a matching PIN code to share data with the WCM.

The shop had to replace the WCM again with the correct PIN code.

Resolution:

Matt used an Xhorse tool to unlock and renew the original keys.

Successfully added the original keys and performed a PEM replacement.

The vehicle was fully functional.

Takeaway: Accurate information (e.g., correct PIN codes) is critical for successful repairs. Proxy systems add complexity, and having the right tools (e.g., immobilizer tools) is essential.

Key Lessons from the Episode:

Importance of Software Updates:

Outdated software can cause compatibility issues, especially with newer devices (e.g., iPhones).

Always check for updates and follow proper procedures when programming modules.

Challenges with Aftermarket Tools:

Aftermarket tools can have limitations, especially with complex systems like proxy key systems.

OEM tools and manufacturer resources are often necessary for advanced diagnostics and programming.

Persistence and Problem-Solving:

Complex issues may require multiple troubleshooting steps and collaboration with other professionals.

Filing Service Improvement Requests (SIRs) and reaching out to dealers or manufacturers can help resolve persistent issues.

Client Communication:

Keeping clients informed throughout the diagnostic and repair process builds trust and ensures satisfaction.

Action Items:

Ford Edge:

Verify the APIM update was successful and ensure the phone connectivity issue is fully resolved.

Jeep Grand Cherokee:

Properly program the original keys by sharing key data from the WCM with the Passive Entry Module (PEM).

Final Thoughts:

This episode highlights the intricacies of modern vehicle diagnostics and the importance of staying informed, using the right tools, and maintaining a problem-solving mindset. Whether dealing with software updates or complex proxy systems, persistence and attention to detail are key to successful repairs.

Next Episode: Stay tuned for more technical content and real-world repair stories on Diagnosing the Aftermarket, A to Z!

NAPA Autotech’s team of ASE Master Certified Instructors are conducting over 1,200 classes covering 28 automotive topics. To see a selection, go to napaautotech.com for more details.

Contact Information

Email Matt: mattfanslowpodcast@gmail.com

Diagnosing the Aftermarket A - Z YouTube Channel

The Aftermarket Radio Network: https://aftermarketradionetwork.com/

Remarkable Results Radio Podcast with Carm Capriotto: Advancing the Aftermarket by Facilitating Wisdom Through Story Telling and Open Discussion. https://remarkableresults.biz/

Diagnosing the Aftermarket A to Z with Matt Fanslow: From Diagnostics to Metallica and Mental Health, Matt Fanslow is Lifting the Hood on Life. https://mattfanslow.captivate.fm/

Business by the Numbers with Hunt Demarest: Understand the Numbers of Your Business with CPA Hunt Demarest. https://huntdemarest.captivate.fm/

The Auto Repair Marketing Podcast with Kim and Brian Walker: Marketing Experts Brian & Kim Walker Work with Shop Owners to Take it to the Next Level. https://autorepairmarketing.captivate.fm/

The Weekly Blitz with Chris Cotton: Weekly Inspiration with Business Coach Chris Cotton from AutoFix - Auto Shop Coaching. https://chriscotton.captivate.fm/

Speak Up! Effective Communication with Craig O'Neill: Develop Interpersonal and Professional Communication Skills when Speaking to Audiences of Any Size. https://craigoneill.captivate.fm/

The Aftermarket Radio Network

Remarkable Results Radio Podcast with Carm Capriotto: Advancing the Aftermarket by Facilitating Wisdom Through Story Telling and Open Discussion

Diagnosing the Aftermarket A to Z with Matt Fanslow: From Diagnostics to Metallica and Mental Health, Matt Fanslow is Lifting the Hood on Life.

The Auto Repair Marketing Podcast with Kim and Brian Walker: Marketing Experts Brian & Kim Walker Work with Shop Owners to Take it to the Next Level.

The Weekly Blitz with Chris Cotton: Weekly Inspiration with Business Coach Chris Cotton from AutoFix - Auto Shop Coaching.

Business by the Numbers with Hunt Demarest: Understand the Numbers of Your Business with CPA Hunt Demarest.

Speak Up! Effective Communication with Craig O'Neill: Develop Interpersonal and Professional Communication Skills when Speaking to Audiences of Any Size.