2018-2020 Mci D4000, Mci D4005 and others recall: alternator/generator/regulator
Motor Coach Industries reported this safety recall on June 12, 2020. It covers about 1,067 vehicles.
- vehicles affected
- 1,067
- reported
- Jun 12, 2020
- owners notified
- Jul 23, 2020
Electrical system: alternator/generator/regulator
- What is wrong
- Motor Coach Industries (MCI) is recalling certain 2018-2020 D4000, D4005, D4500, D4505 and D45CRTLE buses manufactured with electric cooling fans (E-fan) for the radiator and charge air cooler, Borg Warner 55SI model dual alternator configuration (with a sense stud and wire), and Parker Vansco Multiplexing Module (VMM) Multiplex system. A build-up of debris, corrosion, and/or water flow could cause a high resistance path to ground for the sense stud on the back of the alternator and cause the alternator to produce excessive voltage output, which may exceed the threshold limit currently programmed in the VMM and result in a loss of engine power and vehicle shutdown.
- Risk
- If the engine shuts down or loses power while the vehicle is in motion, this may increase the risk of a crash.
- Remedy
- MCI will notify the affected owners, and dealers will install a new application code in the Parker VMM multiplex modules increasing the overvoltage threshold limit, free of charge. The recall began July 23, 2020. Owners may contact MCI customer service at 1‑800‑241‑2947. MCI's number for this recall is SB 479.
Recall number 20V352000
Affected vehicles
Questions about recall 20V352000
Is there a recall on the 2018-2020 Mci D4000, Mci D4005 and others alternator/generator/regulator?
Yes. Recall 20V352000, reported on June 12, 2020, covers about 1,067 vehicles.
What is the fix for recall 20V352000?
MCI will notify the affected owners, and dealers will install a new application code in the Parker VMM multiplex modules increasing the overvoltage threshold limit, free of charge. The recall began July 23, 2020. Owners may contact MCI customer service at 1‑800‑241‑2947. MCI's number for this recall is SB 479.
Is the recall repair free?
Safety recall repairs are done free of charge at authorized dealers. A dealer can confirm with the VIN whether a specific vehicle is included and whether the repair has already been done.
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