2015-2016 Transit – 3.2L Diesel – Malfunction Indicator Light (MIL) On – Diagnostic Trouble Code (DTC) P204F
2015-2016 Transit 3.2L diesel equipped vehicles can exhibit the MIL Illuminated with DTC P204F.
The DTC P204F on the Transit 3.2L diesel equipped vehicles is an informational DTC and is set only if DTCs are present in the Reductant Dosing Control Module (RDCM), also referenced as a Dosage Control Unit (DCU) in the PC/ED.
Any DTCs present in the RDCM will need to be diagnosed, repaired, and cleared before DTC P204F will clear from PCM DTCS.
If Diesel Exhaust Fluid System warning message is visible in the Instrument Cluster (IC) or Message Center after resolving DTCs, perform the Exhaust Fluid System Fault Procedure Drive Cycle procedure referenced in PC/ED Description and Operation-Section 2- Diagnostic Methods.
A correction to the PC/ED manual is under development to clarify module name and DTC description.
- Formulated to work with all SCR-equipped diesel engines
- Safe, easy-to-handle, nontoxic solution of 67.5% water and 32.5% automotive grade urea
- Certified to meet all API & ISO 22241 requirements
- Compatible with AdBlue and other DEF products
- DEF is a consumable and essential fluid for maintaining SCR-equipped modern diesel engines; contains 30-50ppm bitterant
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
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- ENGINEERED: For use in Selective Catalytic Reduction (SCR) systems on diesel engines
- EFFICIENCY: BlueDEF diesel exhaust fluid is key to helping improve fuel economy by up to five percent
- PROTECTION: Diesel exhaust fluid is non-toxic and safe to handle
- QUALITY: Stable, colorless and odorless, and also meets ISO Standards 22241 for purity and composition
- EFFORTLESS: Easily Inject the fluid into your exhaust stream with a specialized dosing module
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
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