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Cummins Inc recalls

DVSA has published 7 safety recalls for Cummins Inc since 1992, 7 of them since 2020. The latest was 29 Aug 2025. Models with the most campaigns: Isb4.5e6c210h Diesel Engine, Isb4.5e6c180b Diesel Engine, Isb4.5e6180b Diesel Engine, Isb4.5e6210b Diesel Engine, Isb4.5e6210h Diesel Engine, Isb4.5ev140b Diesel Engine, Isb6.7e6a250b Diesel Engine.

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All Cummins Inc recalls, newest first

  1. ISB4.5E6C210H DIESEL ENGINE · b4.5 euro vi valve cover cracking safety campaign

    29 Aug 2025 · R/2025/152

    On affected vehicles the engine piston crown may develop a crack and create elevated crankcase pressure which may cause the rocker cover to fracture. A fractured rocker cover may allow oil to escape increasing the risk of a fire.

    Fix: Fit a crankcase pressure sensor which will trigger an associated fault code and provide visible warning that crankcase pressures are above normal levels.

    24 vehicles · built 11 Jan 2018 to 26 Jul 2024

  2. ISB4.5E6C180B DIESEL ENGINE · b4.5 and b6.7 engine control module replacement safety campaign

    5 Mar 2025 · R/2025/071

    On affected engines the Engine Control Module (ECM) may develop an internal electrical short circuit that could possibly blow a fuse in the ECM’s electrical supply resulting in an engine stall without warning.

    Fix: Replace the existing ECM with a new (remedy) ECM.

    2 vehicles · built 27 Nov 2024 to 27 Nov 2024

  3. ISB4.5E6180B DIESEL ENGINE · b4.5 and b6.7 engine control module replacement safety campaign

    5 Mar 2025 · R/2025/071

    On affected engines the Engine Control Module (ECM) may develop an internal electrical short circuit that could possibly blow a fuse in the ECM’s electrical supply resulting in an engine stall without warning.

    Fix: Replace the existing ECM with a new (remedy) ECM.

    3 vehicles · built 21 Nov 2024 to 28 Nov 2024

  4. ISB4.5E6210B DIESEL ENGINE · b4.5 and b6.7 engine control module replacement safety campaign

    5 Mar 2025 · R/2025/071

    On affected engines the Engine Control Module (ECM) may develop an internal electrical short circuit that could possibly blow a fuse in the ECM’s electrical supply resulting in an engine stall without warning.

    Fix: Replace the existing ECM with a new (remedy) ECM.

    2 vehicles · built 20 Nov 2024 to 20 Nov 2024

  5. ISB4.5E6210H DIESEL ENGINE · b4.5 and b6.7 engine control module replacement safety campaign

    5 Mar 2025 · R/2025/071

    On affected engines the Engine Control Module (ECM) may develop an internal electrical short circuit that could possibly blow a fuse in the ECM’s electrical supply resulting in an engine stall without warning.

    Fix: Replace the existing ECM with a new (remedy) ECM.

    3 vehicles · built 20 Nov 2024 to 21 Nov 2024

  6. ISB4.5EV140B DIESEL ENGINE · b4.5 and b6.7 engine control module replacement safety campaign

    5 Mar 2025 · R/2025/071

    On affected engines the Engine Control Module (ECM) may develop an internal electrical short circuit that could possibly blow a fuse in the ECM’s electrical supply resulting in an engine stall without warning.

    Fix: Replace the existing ECM with a new (remedy) ECM.

    1 vehicles · built 6 Dec 2024 to 6 Dec 2024

  7. ISB6.7E6A250B DIESEL ENGINE · b4.5 and b6.7 engine control module replacement safety campaign

    5 Mar 2025 · R/2025/071

    On affected engines the Engine Control Module (ECM) may develop an internal electrical short circuit that could possibly blow a fuse in the ECM’s electrical supply resulting in an engine stall without warning.

    Fix: Replace the existing ECM with a new (remedy) ECM.

    2 vehicles · built 20 Nov 2024 to 16 Dec 2024

Source: DVSA recalls register, check-vehicle-recalls.service.gov.uk, copy dated 6 Sep 2026, Open Government Licence v3.0. Recall text is as published; only the manufacturer name is tidied.