Ford F-250: Common Codes & Fixes

Real-world diagnostic data for the Ford F-250. These are the codes techs see most often. Tap any code for the full vehicle-specific fix and the exact part.

16 codes have specific fixes for the Ford F-250
B0029 Super Duty B0029 codes often appear after an airbag module was disconnected for repair work. 2008-2016 · moderate DIY · 1-2 hours B0100 Check the clockspring in the steering column first -- it connects the airbag module and fails with age. 2009-2019 · moderate DIY · 1-2 hours B1325 Ground circuit open is almost always a corroded ground strap or bolt. 2005-2018 · easy DIY · 30-45 min B1342 B1342 indicates a PCM internal fault on Ford trucks. 2005-2018 · moderate (diagnosis), hard (PCM swap) DIY · 30 min (diagnosis), 2-3 hours (PCM replacement) B1601 PATS (Passive Anti-Theft System) key not programmed. 2005-2018 · easy (with 2 keys), hard (with 1 key) DIY · 15-30 min (self-program), 1 hour (dealer) C0300 On Ford trucks, C0300 often refers to the rear differential speed sensor. 2004-2018 · easy DIY · 30-45 min C1233 Left front wheel speed sensor circuit on Ford trucks. 2005-2018 · moderate DIY · 45 min - 1.5 hours C1234 Right front wheel speed sensor -- same diagnosis and repair procedure as C1233 (left side). 2005-2018 · moderate DIY · 45 min - 1.5 hours P0089 Fuel pressure regulator performance issues on Ford trucks are usually caused by a leaking or stuck regulator diaphragm. 2005-2018 · moderate DIY · 1-2 hours P0143 Post-cat rear sensor (bank 1 sensor 3) reads low continuously — replace with Motorcraft OEM. 2003-2008 · Easy (sensor), Advanced (studs) DIY · 30-45 min (sensor), 4-6 hr (studs) P0263 Cylinder 1 contribution/balance on the 6.7L Power Stroke means cylinder #1 is producing less power than the other cylinders. 2008-2019 · hard DIY · 2-3 hours P0263 On older 6.0L and 6.4L Power Stroke diesels, P0263 is often caused by worn injector o-rings or stiction (injectors sticking from oil… 2003-2018 · easy (additive) / hard (injector) DIY · 15 min (additive) / 3-4 hours (injector) P0269 Cylinder 5 contribution fault — on the 6.8L V10 this typically indicates a failed coil-on-plug or a fouled spark plug (common after 80K… 1999-2016 · Moderate DIY · 1-3 hr P2031 6.7L P2031 = EGT sensor position 2 fault. 2011-2016 · moderate DIY · 1-2 hours P2452 6.7L PSD P2452 = DPF differential pressure sensor. 2011-2016 · moderate DIY · 1-2 hours P2454 6.7L PSD P2454 indicates DPF pressure sensor low-side fault -- usually a broken/kinked pressure tube. 2011-2016 · moderate DIY · 1-2 hours P2455 6.7L PSD P2455 = DPF pressure high. 2011-2016 · moderate DIY · 1-3 hours

Frequently Asked Questions

What are the most common check engine light codes on a Ford F-250?

The most commonly reported OBD-II codes for the Ford F-250 include B0029, B0100, B1325, B1342, B1601. Each code indicates a specific issue -- tap any code above for the full diagnostic breakdown.

How much does it cost to fix a check engine light on a Ford F-250?

Repair costs vary by code. Many Ford F-250 fixes like gas cap replacement, sensor cleaning, or spark plug changes are under $50 in parts and can be done at home. More complex repairs like catalytic converter or transmission work can run $500-$2,000+ at a shop.

Can I drive my Ford F-250 with the check engine light on?

It depends on the code. A steady check engine light usually means you can drive short distances safely. A flashing check engine light means stop driving immediately -- continued driving can cause serious engine damage. Scan the code first to know what you are dealing with.

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