2018 MCI J4500 RECALL - #20V352000
RECALL FOR ELECTRICAL SYSTEM : ALTERNATOR/GENERATOR/REGULATOR
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.
Information provided by the National Highway Traffic Safety Administration.
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| Vehicle |
2018 MCI J4500 |
|
| Manufacturer |
Motor Coach Industries |
| Manufactured between |
1/1/1900 - 1/1/1900 |
| Recalled on |
6/15/2020 |
| Influenced by |
Motor Coach Industries |
| Owners Notified on |
7/23/2020 |
| # Affected |
1,067 |
| Recalled for |
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR |
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| Description |
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. |
| Consequences |
If the engine shuts down or loses power while the vehicle is in motion, this may increase the risk of a crash. |
| Corrective action |
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. |
| Notes |
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. |
| See also |
2018 MCI J4500 Recall for SERVICE BRAKES, AIR, SUPPLY, HOSES, LINES/PIPING, AND FITTINGS
2018 MCI J4500 Recall for ELECTRICAL SYSTEM, WIRING
2018 MCI J4500 Recall for EXTERIOR LIGHTING, TAIL LIGHTS
2018 MCI J4500 Recall for VISIBILITY, GLASS, SIDE/REAR
2018 MCI J4500 Recall for STRUCTURE, EMERGENCY, ESCAPE/EGRESS/EXIT
2018 MCI J4500 Recall for VISIBILITY, SUN/MOON ROOF ASSEMBLY
2018 MCI J4500 Recall for SERVICE BRAKES, AIR
2018 MCI J4500 Recall for SERVICE BRAKES, AIR, SUPPLY, HOSES, LINES/PIPING, AND FITTINGS
2018 MCI J4500 Recall for SEAT BELTS
2018 MCI J4500 Recall for SEAT BELTS
2018 MCI J4500 Recall for ENGINE AND ENGINE COOLING, COOLING SYSTEM, HOSES/LINES/PIPING/FITTINGS
2018 MCI J4500 Recall for ENGINE AND ENGINE COOLING, COOLING SYSTEM, HOSES/LINES/PIPING/FITTINGS
2018 MCI J4500 Recall for ELECTRICAL SYSTEM, 12V/24V/48V BATTERY, CABLES
2018 MCI J4500 Recall for FUEL SYSTEM, DIESEL, FUEL INJECTION SYSTEM, FUEL RAIL
2018 MCI J4500 Recall for ELECTRICAL SYSTEM
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