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2014 Dodge 2500 6.7L Turbo Diesel Fault Code U3017: Causes, Fixes & Service Bulletin Details

Model: 2014 Dodge 2500 Fault Code: U3017 Posted: 2015-06-06 13:39

Fault code U3017 has been detected in the 2014 Dodge 2500 6.7L Turbo Diesel vehicle. This code is associated with communication issues between the engine control module (ECM) and transmission control module (TCM), indicating a potential software or timing performance problem. While it may appear as a generic fault, technical sources indicate that U3017 specifically relates to timer/clock performance in the powertrain control system. According to Service Bulletin 18-045-15 Rev.A (issued November 2015), this issue is a known software-related problem affecting the 6.7L diesel engine and transmission systems in 2014 Dodge 2500 models. The recommended fix involves a reflash of both the engine and transmission control modules to resolve timing inaccuracies and improve system communication. Owners should note that U3017 may also correlate with unexpected electrical issues, such as malfunctioning garage door openers—though this is likely coincidental. If concerned, it's advised to visit an authorized dealer for a diagnostic check and software update.

Related fault codes

U3017

Comments (4)

Anonymous 2015-06-06 16:06

Fault code U3017 indicates a potential issue with the control module's timer or clock performance. A reflash of the powertrain software is recommended to resolve this issue, as outlined in official service bulletins.

Anonymous 2015-11-30 19:54

I recently experienced a check engine light on my 2014 RAM 3500 Laramie 4x4 after driving approximately 35 miles. The dealer reported it as a generic fault code, which suggests limited diagnostic clarity. I noticed that my garage door opener stopped working for the first time in over a year—this coincided with the check engine light activation. While correlation doesn't imply causation, this incident prompted me to research further. I found Service Bulletin 18-053-14 (IIRC), which appears to be a dealer-level notice related to U3017. The service writer estimated my vehicle would need servicing by December 29, 2015—over 30 days away. This timeline raised concerns about urgency and availability of fixes.

Anonymous 2015-12-01 10:11

If you're concerned about the U3017 code, check your email for any service updates or dealer communications. If needed, consider dropping off your vehicle at a dealership to receive a loaner. Contact Chrysler's customer support (800 number) directly. According to the owner’s manual, this issue is typically resolved with a software reflash and does not require major repairs.

Anonymous 2015-12-01 14:43

As a skeptical consumer, I don't trust service writers who dismiss fault codes without supporting documentation. After discussing the U3017 code with my son—a mechanic and educator—he identified it as a known software issue affecting the 2014 6.7L diesel engine and powertrain control modules (ECN/PCN). When I followed up at another dealership, the service writer had to consult Service Bulletin 18-045-15 Rev.A—issued in November 2015—to confirm the issue. The bulletin recommends a reflash of both engine and transmission software to correct timing performance problems across multiple systems. This fix addresses issues in both engine and X-Mission electrical systems. After this, my appointment was moved from December 29 to December 2, and I received a copy of the bulletin. This experience highlights the importance of verifying service bulletins before accepting a 'no action' recommendation.