Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
TSIB 26-07
This bulletin is to provide instructions for clearing DTC 1067 FMI 7 (Pressure Sensor Not Calibrated) and FMI 11 (Primary and Secondary Circuit Pressure Sensor (PS1/PS2) Plausibility Error - BS Pressure), when required to prevent the loss of Adaptive Cruise Control functionality and the illumination of a warning indicator.
TSIB 26-05
This bulletin introduces an optional product improvement to the A/C compressor drive system for coaches equipped with a Cummins X12. The improved pulley system is available for customers who wish to reduce noise and vibration characteristics and may be installed at the customer’s discretion.
ITS61078
Instructions to remove DEF sensor bypass calibration from engine ECM and new sensor installation AR - 22inch DEF tank
ITS61079
Instructions to remove DEF sensor bypass calibration from engine ECM and new sensor installation AR - 22inch DEF tank - CA emissions.
TSIB 26-04
This TSIB is to inform customers the recommended steering axle cleaning/greasing instructions to prevent damage on axle components due to displacement of grease from the bearings, lubrication reduction and accelerate wear for coaches with independent front suspension.
ITS61475
Instructions to download BCC program (T35-1581) V4.06. This program will allow the Eco-Temp system to properly log A17 code for low suction pressure.
ITS61345
The mini fuses in the battery compartment for the condenser may not be enough for certain load conditions.
TSIB 24-03
Information to owners showing the proper procedure for checking the oil level in a BITZER HVAC compressor.
TSIB 22-04
Instructions to improve sealing in the front junction box.
TSIB 22-12
MCI has released Technical Service Information Bulletin (TSIB) 22-12 to address concerns with water ingress in remote switch box. The TSIB provides guidance on how to rework the box to inhibit water intrusion and connector corrosion
TSIB 22-03
Technical Service Information Bulletin describing the replacement of seating backrest attachment hardware with the addition of a mechanical lock nut on specifically equipped buses manufactured prior to model year 2020.
ITS60421
This Technical Instruction is a description of the inspections and cleaning procedures being recommended by MCI due to the parts shortages which are impacting the repair inspections associated with NHTSA Recall 21V-748. These are the same instructions as outlined in the previously submitted Technical Services Information Bulletin TSIB 22-01 and Technical Instruction ITS60421, except they are specific to those customers operating in extremely corrosive environments.
TSIB 22-01
This is an upgrade to Technical Service Information Bulletin TSIB 21-10 issued in January of 2022 which is specific to buses operating in severe duty and or corrosive environments. These bulletins have been issued to recommend interim inspection procedures required every 6000 miles on specifically equipped motor coaches due to global parts shortages and the subsequent delay in available parts to conduct the corrective actions associated with NHTSA Recall 21V-748.
TSIB 21-10
This Technical Service Information Bulletin describes interim inspection procedures required every 6000 miles on specific motor coaches due to the global parts shortage and subsequent delay in available parts to conduct the corrective actions associated with NHTSA Recall 21V-748. Customers were notified of the recall and recommended to download this inspection document from the MCI website.
TSIB 21-05
This Technical Sevice Information Bulletion is to advise of a part number supersession of the coolant hump hose, MCI PN 6L-8-353, to MCI PN 06-08-2262.
SB 3149
Service Bulletin describing how to inspect the engine door panel for de-bonding of fiberglass to metal door frame.
SB 3146
This service bulletin outlines the steps to add the secondary air filter. The secondary filter can only be used with primary air filter, MCI P/N: 09-03-1858.
SB 3145
This Service Bulletin informs affected owners of the steps to remove the unused Saucon provisional connector, MCI P/N 19-11-2941, located in the front junction box on coaches without a Saucon telematics module.
SB 3139
This Service Bulletin provides a checklist of actions to perform on a daily, weekly and monthly basis for parked coaches before they are considered ready for driving.
SB 3143
This Service Bulletin informs affected owners of the steps to add a tensioner bracket to increase the tension on the A/C compressor belt.
SB 484
This Service Bulletin informs affected owners that on certain D45CRTLE and J4500 model coaches equipped with Cummins X12 engines, the top alternator power and ground cables may potentially come in contact with the edge of the clamp mounting bracket and that a shim should be added between the mounting bracket and the clamp. MCI is providing the parts and labor at no cost to the owners.
SB 3137
This service bulletin outlines the steps to replace the breather plug with a remote breather on the ZF axle differential to avoid possible breather clogging when the coach drives through mud and water.
FCP 475
This service bulletin advises owners of affected vehicles that the throttle pedal sensors may provide intermittent, erratic data and cause the "engine check" light to become illuminated, and how repairs can be made to correct the vehicles.
SB 3135
This service bulletin notifies owners of affected vehicles that Daimler Trucks North America LLC has issued a field service campaign to reprogram the software and replace emission labels on coaches equipped with a Detroit GHG17 DD13 engine.
SB 3131
This service bulletin outlines the steps to replace the adapter plates on the tag axle bellows to increase support for the bellow piston.
SB 3132
This service bulletin outlines the steps to relocate the ambient temperature sensor from the spare tire compartment to the bumperette to improve the accuracy of the sensor reading. This service bulletin needs to be done in conjunction with Service Bulletin 2123.
D20M4
DDC Field service campaign for GHG17 Detroit DD13 engines requiring software reprogramming and new emission label replacement. This field service applies only to MCI (Motor Coach Industries) vehicles.
P16-39
This Procedure outlines steps to add a tensioner bracket to increase the tension in the A/C Compressor belt.
P16-40
This Procedure outlines steps to replace the double groove belt and single idler pulley bracket on A/C Compressor with single groove matched belts and double idler pulley bracket respectively.
FCP 3130
This Service Bulletin outlines the steps to install reinforcement bracket for the mudflap on coaches equipped with MCI P/N 03-33-2646.
FCP 3129
This Service Bulletin outlines the necessary steps to inspect the power steering system for proper operation. It also lists the necessary steps to replace the power steering seals if needed.
FCP 472
This Service Bulletins informs affected owners of model year 2019 J3500 model coaches and model year 2018-2019 J4500 model coaches have intermittent ESP/ABS plausibility fault codes (SPN 1067) from the Bendix ESP/ABS controller, which results in the loss of adaptive cruise control and a warning light will illuminate.
P03-277
This Procedure outlines the steps to add mechanical fasteners to secure the dual lock tape retaining the lavatory window trim panel.
SB 3128
This Service Bulletin advises customers facing issues with a low engine oil pan protector profile how to replace it with a new model with higher ground clearance.
P15-04
This Procedure is to inspect the alignment and correct if needed and is to be used at Service Centers equipped with Hunter Alignment Machine, WT470.
SB 3123
This Service Bulletin informs owners of model year 2018-2020 J3500 and J4500 model coaches of the procedure to insulate the gap in the area between the front cap and under the dash panel on the driver's side, that will help shield the ambient temperature sense or from the air circulating inside the coach.
P03-271
This Procedure outlines the steps to replace the welded bracket with the bolted-on brackets for the tailpipe skid plate.
P12-24
This Procedure outlines the steps to inspect and adjust ground clearance setting.
P07-158
This Procedure is for changing the functionality of the tail lights such that they comply with New Jersey Administrative Code Section 16:53-3.30, which requires the stop lights to be "separate and independent" of all other rear lights on the coach.
P08-54
This Procedure outlines the steps to install a relief valve on the air compressor for coaches equipped with DD13 engines.
SB 3125
This Service Bulletin informs owners of model year 2018-2020 J4500 model coaches hearing noise near the front sway bar during driving to apply anti-seize lubricant per the instructions.
P 03-266
This Procedure outlines the steps to rework the sliding WCL door used on model year 2018 J4500 model coaches to ensure reliable operation of the sliding door.
P 09-11
This Procedure outlines the steps to replace the fuel overflow hose and clamp on the fuel tank on model year 2011-2020 J4500 model coaches.
P 16-38
This Procedure outlines the steps to add a louver in the driver defroster panel to divert condensation from the driver defroster away from the stepwell area on model year 2018 J4500 model coaches.
P 03-270
This Procedure informs affected owners of model year 2018-2019 J4500 model coaches of the procedure to prevent windshield water leaks.
P03-270
This Procedure instructs owners of affected model year 2018-2019 J4500 model coaches with windshield leaks to follow this procedure to isnpect the windshield and replace the fence if needed to prevent water leaks.
SB 470
This Service Bulletin informs affected owners of model year 2018 J4500 model coaches that the potential exists for water intrusion into the stepwell, dash and driver area from the front marker lights due to current marker light gasket and that MCI will remedy the affected coaches at no cost to the owners.
P 03-265
This Procedure outlines the rework to address water leaks through the drip rail on model ear 2018-2019 J4500 model coaches.
P0-268
This procedure outlines the steps to install mechanical fasteners on the stepwell on model year 2018 J4500 model coaches.
P03-267
This Procedure outlines the rework to address engine compartment door de-bonding on model year 2018-2019 J4500 model coaches that have part number 03-31-4155 engine door.
P03-264
This Procedure outlines the steps to check the engagement of the windshield and rework the front cap opening to prevent water intrusion on model year 2018-2019 J4500 model coaches.
SB 466
This Service Bulletin informs affected owners of model year 2018 J4500 model coaches that the potential exists for water intrusion into the remote junction boxes, potentially causing corrosion and possible failure of the electrical connectors and that MCI will remedy the affected coaches at no cost to the owners.
MCI Field Notes
This Service Advisory informs affected owners of model year 2017-2019 J4500 coaches equipped with DDC GHG17 engines, that the cold weather can bring on a rash of engine codes, notably 3216/16 - SCR inlet NOx Sensor code, which will cause the Maintenance Indicator Light (MIL) to illuminate and could cause a derate of 25% of available power; that DDC has developed an interim solution in the form of a need to apply a test calibration sticker on the engine and a new program upload to the engine that will temporarily suppress the 3216/16 code from illuminating the MIL and avoid the 25% derate. Widespread availability will be a couple of weeks in the process.
SB 3114
This Service Bulletin informs affected owners of model year 2011-2019 J4500 coaches equipped with entrance door sensor MCI P/N 07-19-1176, of the procedure to adjust the entrance door sensor for proper sensor alignment. The procedure also outlines the application of a thread locker to prevent sensor movement.
SB 3116
This Service Bulletin informs affected owners that Detroit Diesel Corporation has released bulletin D18M2, advising that some certified GHG17 Detroit DD13 engines installed in model year 2015-2018 MCI J4500 coaches will require reprogramming, and that some of affected coaches may also need their exempt emission label replaced with a certified label.
aeoD18M2 Field S
Field Service Campaign D18M2 GHG17 GHG17 Detroit? DD13® Software Reprogramming and Emission Label Replacement for Motor Coach Industries, Inc. (MCI®)
P7-146
This Procedure outlines the steps to improve upper-marker light weather sealing by replacing the existing well-nuts and installing new gaskets on model year 2018-2019 J4500 model coaches.
P3-258
This Procedure informs affected owners of model year 2018 J4500 model coaches of the procedure to correctly set the panel gap between the entrance door hinge cover and the defroster cover panel.
SB 458
This Service Bulletin informs affected owners of model year 2017-2018 J4500 model coaches that the potential may exist for engine damage to occur if the lavatory tank is overfilled. If this occurs, it is possible for the water to overflow into the engine air filter. This Service Bulletin informs affected vehicle owners that MCI is providing the parts and labor to perform a retrofit at no cost to owners.
Procedure 7-74
This Procedure informs affected owners of model year 2018 J4500 model coaches that the stepwell panel lights were not installed, provides the procedure to install the lights, and provides that MCI will remedy the affected coaches at no cost to the owners.
FCP 457
This Service Bulletin informs affected customers that they may experience coach battery drain due to the Parker multiplex system not initiating the low-power sleep function when the coach is parked and the main battery disconnect is not turned to the off position on model year 2018 MCI J4500 model coaches and that MCI will remedy the affected coaches at no cost to customers.
SB 457
This Service Bulletin informs affected customers that they may experience coach battery drain due to the Parker multiplex system not initiating the low-power sleep function when the coach is parked and the main battery disconnect is not turned to the off position on model year 2018 MCI J4500 model coaches, and that MCI will remedy the affected coaches at no cost to customers.
SB 3109
This Service Bulletin informs affected customers that model year 2017-2018 MCI model coaches may experience nuisance diagnostic trouble codes when starting the coach and that for model year 2017 coaches, to allow the MIL and Wingman system components to complete the self-test cycle (allow approximately 5 to 10 seconds for self-test cycle) between actuating the ignition power switch on the LH switch panel and for MY 2018 coaches, to all the MCI Drive Scene environment system components to complete the self-test cycle (allow 20 seconds for self-test cycle) between actuating the ignition power switch and the engine start switch on the LH switch panel
SB 456B
This Service Bulletin informs affected customers that model year 2012-2018 MCI J4500 model coaches may experience fading, discoloration or delamination of the tail light assembly and that MCI will provide replacement parts at no cost to the customer.
SB 3077
This Service Bulletin informs affected customers that MCI was notified by Shaw Development that the diesel exhaust fluid (DEF) tank cap requires routine cleaning to prevent the potential for crystallization build up at the vent, which may result in potential vacuum issues which could result in collapsing of the tank walls on MCI D model coaches, MCI E4500 model coaches and MCI J4500 model coaches.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.