| Professional Automotive Repair Technical Discussions for June 28, 2025 International Automotive Technicians' Network (iATN) - Members Only  | 
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for All Makes and Models
	
| Help Request | Answers | |
| 2018 Audi R8 Plus 5.2L Failed readiness  VIN: WUAKBAFX6J Hi all, this car failed the smog test, and the oxygen and cat readiness never set. The dealer did a recall upgrade on the TCM and ECM, but it's still a no-go. I checked it and found the fuel system stays in open loop, preventing the oxygen and cat readines...  | 				
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| 2008 Ford Expedition XLT 5.4L Programming VIN: 1FMFU15538 I'm stumped. I replaced the SJB (BCM) using my own IDS/VCM2, and the programming stops at a pair of windows with "FFFF in the first one and "FF" in the second one. There is no indication of a code or any other thing. I'm supposed to enter some code in thes...  | 				
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Fixes & Summaries for All Makes and Models
	
| Fix/Summary | Answers | |
| 2017 GMC Canyon SLE 2.8L Mechanical VIN: 1GTP6DE10H THANKS FOR THE FEEDBACK. I CHANGE THE TRANSMISSION FLUID AND OIL COOLER . I USE VALVOLINE MAX/LIFE FLUIDS. CUSTOMER DROVE FOR 230 MILES AND NO PROBLEM OCCUR. THIS HEADACHE IS FIXED.  | 
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| 2006 Mercedes-Benz C280 Luxury 3.0L Ignition Switch VIN: WDBRF54HX6 After Testing all cicuits and wiring in the system, had a lock smith come out and test the key. Key transmitting improper code to allow vehicle to start or key to turn  | 
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