2018 MACK GU TSBs (65)
- Bulletin:
- FSB 213-002
- Component:
- 060000 engine (pws)
- Summary:
- In some instances the exhaust rocker piston cap screw may become loose and back out causing loss of engine compression, or a mechanical injector diagnostic trouble code (dtc).
- Bulletin:
- FSB 211-001
- Component:
- 060000 engine and engine cooling
- Summary:
- Lower valve cover crush sleeve, installation, during removal and installation of the two-piece valve cover assembly, pay close attention to ensure the all of the crush sleeve are properly installed in the lower valve cover. the crush sleeve
- Bulletin:
- FSB 642-001
- Component:
- 010000 steering
- Summary:
- Certain gu trucks equipped with forward steer axles (18,000 lb rated front axles) and built from 2012, may experience issues with static steering while sitting still. there is not enough ability with a single steering gear to overcome certa
- Bulletin:
- FSB 237-020
- Component:
- 103700 power train:automatic transmission:torque converter
- Summary:
- Mack chu, cxu, gr, gu, and pi trucks built from 2009 to 2017 and equipped with mp7, mp8, and mp10 engines (em-usa10, em-usa14, and em-usa17), will require a new torque specification for the unit injector yoke hold-down bolt.
- Bulletin:
- FSB 237-020rev
- Component:
- 103700 power train:automatic transmission:torque converter
- Summary:
- Mack chu, cxu, gr, gu, and pi trucks built from 2009 to 2017 and equipped with mp7, mp8, and mp10 engines (em-usa10, em-usa14, and em-usa17), will require a new torque specification for the unit injector yoke hold-down bolt. effective immed
- Bulletin:
- FSB381-020
- Component:
- 060000 engine (pws)
- Summary:
- On certain mack models built between august 17, 2015 and august 18, 2017, with a cummins?1 engine, it may not be possible to request a regen using the cluster stalk switches.
- Bulletin:
- FSB373-024
- Component:
- 103000 power train:automatic transmission
- Summary:
- Some mack trucks equipped with mdrive transmissions built between september 6, 2010 and august 14, 2017 may have pto solenoid bracket or transmission harness connector failures due to excessive vibration.
- Bulletin:
- FSB237-020
- Component:
- 070000 fuel system, gasoline
- Summary:
- Unit injector yoke hold-down bolt torque specification
- Bulletin:
- FSB652-005
- Component:
- 020000 suspension
- Summary:
- On some mack chu, cxu, gu, td, leu, lr, and mru trucks built from 01/14/2013 and 01/20/2017, the v-stay carrier bolt hole in the mride suspension may become stripped, causing the v-stay torque rod bolt to pull free from the carrier housing.
- Bulletin:
- K53510452
- Component:
- 070000 fuel system, gasoline
- Summary:
- Expired - refer to k93039325 - mack chassis - snm16-032 def (diesel exhaust fluid) contamination in diesel fuel.new solution released with improved information
- Bulletin:
- K77864401
- Component:
- 070000 fuel system, gasoline
- Summary:
- Mack chassis - diesel exhaust fluid ( def ) system cleaning/flush after a pump failure or system contamination.removed tech tip, added correct operation id
- Bulletin:
- K42708399
- Component:
- 117000 digital instrument panel
- Summary:
- Diagnostic trouble code ( dtc ) p0422 lighting the malfunction indicator light ( mil ) - obd15 and obd16 chassis (non-common rail).updated to reflect release of fsb284-064 (above)
- Bulletin:
- K84412328
- Component:
- 117000 digital instrument panel
- Summary:
- Diagnostic trouble code ( dtc ) p249c intermittently lighting the malfunction indicator lamp ( mil ) - obd15 and obd16, model year ( my ) 2016 and 2017 chassis.updated to reflect release of fsb284-064 (above)
- Bulletin:
- K03179378
- Component:
- 073100 fuel system, gasoline:fuel injection system:fuel rail
- Summary:
- Service only regen requested with no warning. diagnostic trouble codes ( dtc ) p24a4 / p10fe active or inactive with several counts - obd15 and obd16 conventional chassis; does not apply to us17 (common rail fuel system) chassis.updated to
- Bulletin:
- K86412082
- Component:
- 117000 digital instrument panel
- Summary:
- Engine diagnostic trouble codes ( dtc's ) p24a0 and p249f lighting the malfunction indicator lamp ( mil ) - obd15 (commonly model year 2016) and newer.updated to reflect release of fsb284-064 (above)
- Bulletin:
- K45941512
- Component:
- 062000 engine and engine cooling:cooling system
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p0128, diagnostic and repair - us14+obd13 (commonly year model 2015) and newer.updated to reflect release of fsb284-064 (above)
- Bulletin:
- K86094641
- Component:
- 060000 engine (pws)
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p226c intermittently lighting the malfunction indicator lamp ( mil ) - obd15 and obd16 conventional chassis.updated to reflect release of fsb284-064 (above)
- Bulletin:
- K82320750
- Component:
- 101000 power train:clutch assembly
- Summary:
- Automated manual transmission ( amt - f ) ( mdrive ) clutch valve unit ( cvu ) makes intermittent buzzing noise with the key on and engine off.changed repair information to reflect new software available.
- Bulletin:
- K43056254
- Component:
- 063100 engine and engine cooling:exhaust system:emission control
- Summary:
- Mack chassis - aftertreatment control module ( acm ) not visible in premium tech tool ( ptt ).added more checks and procedures
- Bulletin:
- K14701433
- Component:
- 091130 fuel system, other:storage:tank assembly:pressure relief devices
- Summary:
- Diagnostic trouble code ( dtc ) p009e - 73 - fuel pressure relief control performance / stuck off - ghg17 ( us17 ) chassis with common rail fuel system.changed repair instructions to reflect new procedures
- Bulletin:
- FSB284064
- Component:
- 060000 engine (pws)
- Summary:
- Ecm and acm reprogramming, obd2015
- Bulletin:
- K86412082
- Component:
- 110000 electrical system
- Summary:
- Engine diagnostic trouble codes ( dtc's ) p24a0 and p249f lighting the malfunction indicator lamp ( mil ) - obd15 (commonly model year 2016) and newer, changed repair instructions to reflect obd16 software release
- Bulletin:
- FSB381-020
- Component:
- 117000 digital instrument panel
- Summary:
- Instrument cluster reprogramming, gu
- Bulletin:
- K58557784
- Component:
- 070000 fuel system, gasoline
- Summary:
- Fuel injector offset learning diagnostic trouble codes ( dtc ) / fault codes logged in engine control module ( ems ); possible rough / uneven idle - obd15 chassis
- Bulletin:
- K14701433
- Component:
- 118000 electrical system: software
- Summary:
- Diagnostic trouble code ( dtc ) p009e - 73 - fuel pressure relief control performance / stuck off - ghg17 ( us17 ) chassis with common rail fuel system, updated to reflect ghg17 software release
- Bulletin:
- K04342327
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Diagnostic trouble code ( dtc ) p0420 illuminating the malfunction indicator lamp (mil) - us17 (ghg17, common rail fuel system) chassis only
- Bulletin:
- K01050303
- Component:
- 355200 equipment:other:owners/service/other manual
- Summary:
- Diagnostic trouble code ( dtc ) p0471 illuminating the malfunction indicator lamp (mil) - us17 (ghg17, common rail fuel system) chassis only
- Bulletin:
- K47547856
- Component:
- 353000 equipment:electrical
- Summary:
- Particulate matter ( pm ) sensor diagnostic trouble codes ( dtc ) illuminating the malfunction indicator lamp ( mil ); tech tip tt-014-2016 - obd16 and newer emissions (commonly model year 2017, includes common rail fuel system chassis), re
- Bulletin:
- K72614548
- Component:
- 110000 electrical system
- Summary:
- Diagnostic trouble code ( dtc ) p02fa illuminating the malfunction indicator lamp (mil) - us17 (ghg17, common rail fuel system) chassis only
- Bulletin:
- K13512181
- Component:
- 063140 engine and engine cooling:exhaust system:emission control:catalytic convertor
- Summary:
- Request regen button missing from eats status and dpf status screens in instrument cluster (ic) - chassis equipped with new (updated) cluster design - model year 2018 and newer
- Bulletin:
- FSB284-067
- Component:
- 063000 engine and engine cooling:exhaust system
- Summary:
- Ecm and acm, reprogramming, obd2017 and obd2018
- Bulletin:
- K23232043
- Component:
- 063000 engine and engine cooling:exhaust system
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p02fa illuminating the malfunction indicator lamp (mil) - us17+obd16 and us17+obd18 (ghg17) emissions (with common rail fuel system), commonly model years 2018 and 2019
- Bulletin:
- K42200114
- Component:
- 073100 fuel system, gasoline:fuel injection system:fuel rail
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p009e-73 - fuel pressure relief control performance / stuck off - us17+obd16 and us17+obd18 ( ghg17 ) emissions (with common rail fuel system), commonly model years 2018 and 2019
- Bulletin:
- K55905221
- Component:
- 063100 engine and engine cooling:exhaust system:emission control
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p0420 illuminating the malfunction indicator lamp (mil) - us17+obd16 and us17+obd18 (ghg17) emissions (common rail fuel system) - commonly model years 2018 and 2019
- Bulletin:
- K00491826
- Component:
- 061200 engine and engine cooling:engine:diesel
- Summary:
- Mack chassis - diagnostic trouble codes ( dtc ) p208e and p103b logging with possible derate ( scr inducement ) - us14+obd13, us14+obd15, us14+obd16 emissions and newer
- Bulletin:
- K12902414
- Component:
- 060000 engine (pws)
- Summary:
- Engine speed does not ramp up from body builder module request; requests sent via data link / body link connector, not by switch or hardwired circuit - generation 2 (int-gen2) and newer (commonly model year 2018)
- Bulletin:
- K23232043
- Component:
- 060000 engine and engine cooling
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p02fa illuminating the malfunction indicator lamp (mil) - us17+obd16 and us17+obd18 (ghg17) emissions (with common rail fuel system), commonly model years 2018 and 2019
- Bulletin:
- K42200114
- Component:
- 060000 engine and engine cooling
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p009e-73 - fuel pressure relief control performance / stuck off - us17+obd16 and us17+obd18 ( ghg17 ) emissions (with common rail fuel system), commonly model years 2018 and 2019
- Bulletin:
- K55905221
- Component:
- 060000 engine (pws)
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p0420 illuminating the malfunction indicator lamp (mil) - us17+obd16 and us17+obd18 (ghg17) emissions (common rail fuel system) - commonly model years 2018 and 2019
- Bulletin:
- K00491826
- Component:
- 060000 engine and engine cooling
- Summary:
- Mack chassis - diagnostic trouble codes ( dtc ) p208e and p103b logging with possible derate ( scr inducement ) - us14+obd13, us14+obd15, us14+obd16 emissions and newer
- Bulletin:
- K12902414
- Component:
- 110000 electrical system
- Summary:
- Engine speed does not ramp up from body builder module request; requests sent via data link / body link connector, not by switch or hardwired circuit - generation 2 (int-gen2) and newer (commonly model year 2018)
- Bulletin:
- K00527512
- Component:
- 060000 engine and engine cooling
- Summary:
- Mack chassis - vehicles equipped with a vertical selective catalytic reduction (scr) system - diagnostic trouble codes ( dtc ) p1031 with possible p24da lighting the malfunction indicator lamp ( mil ) - us17+obd16 (ghg17, common rail fuel s
- Bulletin:
- K01029637
- Component:
- 060000 engine and engine cooling
- Summary:
- Secondary fuel filter damaged lip seal; high pressure fuel system learning and control limit and system pressure diagnostic trouble codes (dtc), possible uneven operation - us17+obd16 and newer emissions (common rail fuel system), commonly
- Bulletin:
- FSB284-067
- Component:
- 118000 electrical system: software
- Summary:
- Ecm and acm, reprogramming, obd2017 and obd2018
- Bulletin:
- K31378153
- Component:
- 013000 steering:gear box (other than rack and pinion)
- Summary:
- Mack chassis - vehicles equipped with an automated manual transmission model f ( amt-f, mdrive ), premium tech tool ( ptt ) gearbox calibration failure; gearbox calibration operation stops and fails at 33% - us17+obd16 (ghg17) and newer emi
- Bulletin:
- K61510658
- Component:
- 013000 steering:gear box (other than rack and pinion)
- Summary:
- Mack chassis - equipped with an automated manual transmission model f (amt-f, mdrive) with crawler gears - setting the maximum gear that can be (temporarily) selected for starting from stop in automatic and manual modes; new parameters for
- Bulletin:
- K55905221
- Component:
- 073100 fuel system, gasoline:fuel injection system:fuel rail
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p0420 illuminating the malfunction indicator lamp (mil) - us17+obd16 and us17+obd18 (ghg17) emissions (common rail fuel system) - commonly model years 2018 and 2019
- Bulletin:
- K23232043
- Component:
- 073100 fuel system, gasoline:fuel injection system:fuel rail
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p02fa illuminating the malfunction indicator lamp (mil) - us17+obd16 and us17+obd18 (ghg17) emissions (with common rail fuel system), commonly model years 2018 and 2019
- Bulletin:
- K42200114
- Component:
- 030000 service brakes, hydraulic
- Summary:
- Mack chassis - diagnostic trouble code ( dtc ) p009e-73 - fuel pressure relief control performance / stuck off - us17+obd16 and us17+obd18 ( ghg17 ) emissions (with common rail fuel system), commonly model years 2018 and 2019
- Bulletin:
- K00527512
- Component:
- 063100 engine and engine cooling:exhaust system:emission control
- Summary:
- Mack chassis - vehicles equipped with a vertical selective catalytic reduction (scr) system - diagnostic trouble codes ( dtc ) p1031 with possible p24da lighting the malfunction indicator lamp ( mil ) - us17+obd16 (ghg17, common rail fuel s
- Bulletin:
- K00491826
- Component:
- 063100 engine and engine cooling:exhaust system:emission control
- Summary:
- Mack chassis - diagnostic trouble codes ( dtc ) p208e and p103b logging with possible derate ( scr inducement ) - us14+obd13, us14+obd15, us14+obd16 and us17+obd16 and newer emissions, common year models 2015 and newer
- Bulletin:
- K45382152
- Component:
- 100000 power train
- Summary:
- Mack chassis - automated manual transmission model f (amt-f, mdrive) power take-off (pto) does not engage or grinds intermittently during engagement or during operation; symptoms present for pto that was previously working properly - us17+o
- Bulletin:
- K21052070
- Component:
- 060000 engine (pws)
- Summary:
- Intermittent occurrences of very brief loss of power, engine stumble or hiccup lasting much less than a second, most frequently between 1500 and 1700 rpm, no diagnostic trouble codes ( dtc ) generated - all common rail fuel system chassis -
- Bulletin:
- PI0883
- Component:
- 110000 electrical system
- Summary:
- Ecm and acm, software updates
- Bulletin:
- FSB221-012
- Component:
- 060000 engine (pws)
- Summary:
- Oil fill adapter, replacement
- Bulletin:
- K00585105
- Component:
- 060000 engine and engine cooling
- Summary:
- Diagnostic trouble code (dtc) p0087-00 illuminating the malfunction indicator lamp (mil) or stop engine light; possible engine power/torque derate - us17+obd16 and us17+obd18 emissions, common model years 2018 and 2019
- Bulletin:
- K90358413
- Component:
- 060000 engine and engine cooling
- Summary:
- Common rail fuel system - diagnostic trouble code ( dtc ) p0094-00 fuel system leak detected, small leak, diagnostic information - us17+obd16 and us17+obd18 emissions, common model years 2018 and 2019
- Bulletin:
- K42065042
- Component:
- 110000 electrical system
- Summary:
- Engine preheat icon does not illuminate in the instrument cluster (ic) during engine pre-heat (intake air heater) operation - post-facelift vehicles, model year 2018 and newer
- Bulletin:
- K14235517
- Component:
- 060000 engine and engine cooling
- Summary:
- Common rail fuel system - engine wiring harness will not reach / is not long enough to connect to electronic pressure relief valve (eprv) connector, wiring harness pulled tight at eprv; correct clocking, symptoms, repair - us17+obd16 and n
- Bulletin:
- K24992549
- Component:
- 060000 engine and engine cooling
- Summary:
- Engine control module (ems) software (msw) information; improvement list (change log) and explanations for issues and diagnostic trouble codes (dtc, fault codes) us17+obd2016 emissions, model year 2018 (common rail fuel system only)
- Bulletin:
- K12246971
- Component:
- 020000 suspension
- Summary:
- Grounding bus bar on frame rail stud; inspection to be performed for power and ground, data link dtcs - us13 and newer emissions, common model year 2018 and newer
- Bulletin:
- K93482141
- Component:
- 117000 digital instrument panel
- Summary:
- Vehicle overspeed warning comes active at a lower speed than expected; vehicle overspeed warning in driver information display (did) - model year 2018 and newer with new style instrument cluster
- Bulletin:
- K59554255
- Component:
- 060000 engine (pws)
- Summary:
- Mack chassis - particulate matter (pm) sensor diagnostic trouble codes (dtc) illuminating the malfunction indicator lamp (mil); tech tip tt-014-2016 - us14+obd16, us17+obd16 and newer emissions, common model year 2017 and newer - to be used
- Bulletin:
- K91121166
- Component:
- 060000 engine (pws)
- Summary:
- Mack chassis - automated manual transmission model f (amt-f, mdrive) - possible infrequent hiccup/stumble during steady engine/vehicle speed; diagnostic trouble code p1074-92 logging, appears as inactive - common model years 2018 and 2019
- Bulletin:
- K21075253
- Component:
- 102000 power train:manual transmission
- Summary:
- Mack chassis - automated manual transmission model f ( amt-f, mdrive ) - short transmission replacement; calibration and/or shifting problems following replacement of a short transmission - us17+obd2016 and newer emissions, model year 2018
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