P1285 on Ford

Cylinder head temperature above the engine computer’s limit (Ford, Lincoln, Ford-built Mazda)

This page covers only what differs on Ford. For what P1285 means, the ranked causes and the test order, see the P1285 guide.

What's different on Ford

Ford

  • 2017–2019 · Escape

    Supported by vehicle data

    On the 1.5L and 2.0L EcoBoost, Ford bulletins 19-2375 and 19-2172 link P1285 to coolant leaking into the cylinders, with white smoke and misfires. Whether the bulletin is still current is not verified.

  • 2023–2024 · Escape

    Supported by vehicle data

    On early-build 1.5L models (built on or before 11 January 2024), SSM 52219 blames machining chips blocking a coolant passage near the CHT sensor; the warning shows under hard acceleration. Whether the bulletin is still current is not verified.

  • 2015–2020 · Edge

    Supported by vehicle data

    Edge 2.0L bulletins cover coolant intrusion (2015–2018), a PCM software update (2019) and a leaking EGR cooler (2019–2020). Whether the bulletin is still current is not verified.

  • 2014–2019 · Fusion

    Supported by vehicle data

    Fusion 1.5L and 2.0L EcoBoost bulletins link P1285 to coolant intrusion into the cylinders. Whether the bulletin is still current is not verified.

  • 2024–2025 · F-150

    Supported by vehicle data

    On the 2.7L, TSB 26-2217 replaces the CHT sensor with an updated version when P1285 sets with an over-temperature message. Whether the bulletin is still current is not verified.

  • 17126Status unverified

    MIL with P1285 and/or P1299, hot gauge or A/C inoperative

    2003focus · issued · NHTSA 10004047

    P1285 and/or P1299 (cylinder head over temperature) with the coolant gauge reading hot or the A/C not working.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • TSB 19-2172Status unverified

    Low coolant, white smoke, runs rough: coolant intrusion (2.0L EcoBoost)

    2015–2019escape, edge, fusion · issued · NHTSA 10162062

    2015–2018 Edge and 2015–2019 Fusion, Escape, MKZ and MKC 2.0L with P1285, P1299 and misfire codes from coolant getting into a cylinder.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • TSB 19-2375Status unverified

    Coolant intrusion, short block replacement (1.5L EcoBoost)

    2014–2019fusion, escape · issued · NHTSA 10169884

    2014–2019 Fusion and 2017–2019 Escape 1.5L with low coolant, white smoke, rough running and P1285, P1299 or misfire codes. Supersedes 19-2139.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • SSM 48345Status unverified

    EGR cooler leaking coolant (2.0L EcoBoost)

    2019–2020edge, escape · issued · NHTSA 10168812

    Low coolant, white smoke, over-temperature warning and P1285 or related codes; inspect the EGR cooler first. Also covers Lincoln Nautilus and Corsair.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • TSB 19-2046Status unverified

    PCM software update (2.0L EcoBoost)

    2019edge · issued · NHTSA 10155555

    Edge and Lincoln Nautilus built on or before 23 January 2019 with P1285, P1299 and other codes; update the PCM software.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • SSM 52219Status unverified

    Over-temperature warning with P1285/P1299 (1.5L)

    2023–2024escape · issued · NHTSA 10249778

    Escape 1.5L built on or before 11 January 2024; machining chips may block a coolant passage near the CHT sensor.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • TSB 26-2217Status unverified

    P1299, P1285 and/or P2C39 with Engine Over-Temperature message

    2024–2025f-150 · issued · NHTSA 11032695

    Diagnose and replace the CHT sensor with an updated version. Supersedes 24-2441.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

Sources and review

  1. Ford TSB 19-2375: 1.5L EcoBoost coolant intrusion (2014–2019 Fusion, 2017–2019 Escape) — Ford Motor Company / NHTSA ,
  2. Ford TSB 19-2172: 2.0L EcoBoost low coolant, white smoke, runs rough, coolant intrusion into cylinder — Ford Motor Company / NHTSA ,
  3. Ford SSM 52219: 1.5L over-temperature warning with P1285/P1299 (2023–2024 Escape) — Ford Motor Company / NHTSA ,
  4. Ford TSB 19-2046: PCM software update, 2.0L EcoBoost (2019 Edge, Nautilus) — Ford Motor Company / NHTSA ,
  5. Ford SSM 48345: 2.0L EcoBoost EGR cooler leaking coolant (2019–2020 Edge, Escape, Nautilus, Corsair) — Ford Motor Company / NHTSA ,
  6. Ford TSB 26-2217: P1299, P1285 and/or P2C39 with Engine Over-Temperature message (F-150 2.7L) — Ford Motor Company / NHTSA ,
  7. Ford TSB 17126: MIL with P1285 and/or P1299 (cylinder head over temperature), hot gauge or A/C inoperative (2003 Focus) — Ford Motor Company / NHTSA ,
  8. 2023 Integra Owner's Manual: How to Handle Overheating — American Honda Motor Co.
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Written by
Saurabh K.
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